--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/web/Zend/Date.php Mon Dec 13 18:29:26 2010 +0100
@@ -0,0 +1,4954 @@
+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category Zend
+ * @package Zend_Date
+ * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license http://framework.zend.com/license/new-bsd New BSD License
+ * @version $Id: Date.php 22713 2010-07-29 11:41:56Z thomas $
+ */
+
+/**
+ * Include needed Date classes
+ */
+require_once 'Zend/Date/DateObject.php';
+require_once 'Zend/Locale.php';
+require_once 'Zend/Locale/Format.php';
+require_once 'Zend/Locale/Math.php';
+
+/**
+ * @category Zend
+ * @package Zend_Date
+ * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license http://framework.zend.com/license/new-bsd New BSD License
+ */
+class Zend_Date extends Zend_Date_DateObject
+{
+ private $_locale = null;
+
+ // Fractional second variables
+ private $_fractional = 0;
+ private $_precision = 3;
+
+ private static $_options = array(
+ 'format_type' => 'iso', // format for date strings 'iso' or 'php'
+ 'fix_dst' => true, // fix dst on summer/winter time change
+ 'extend_month' => false, // false - addMonth like SQL, true like excel
+ 'cache' => null, // cache to set
+ 'timesync' => null // timesync server to set
+ );
+
+ // Class wide Date Constants
+ const DAY = 'dd';
+ const DAY_SHORT = 'd';
+ const DAY_SUFFIX = 'SS';
+ const DAY_OF_YEAR = 'D';
+ const WEEKDAY = 'EEEE';
+ const WEEKDAY_SHORT = 'EEE';
+ const WEEKDAY_NARROW = 'E';
+ const WEEKDAY_NAME = 'EE';
+ const WEEKDAY_8601 = 'eee';
+ const WEEKDAY_DIGIT = 'e';
+ const WEEK = 'ww';
+ const MONTH = 'MM';
+ const MONTH_SHORT = 'M';
+ const MONTH_DAYS = 'ddd';
+ const MONTH_NAME = 'MMMM';
+ const MONTH_NAME_SHORT = 'MMM';
+ const MONTH_NAME_NARROW = 'MMMMM';
+ const YEAR = 'y';
+ const YEAR_SHORT = 'yy';
+ const YEAR_8601 = 'Y';
+ const YEAR_SHORT_8601 = 'YY';
+ const LEAPYEAR = 'l';
+ const MERIDIEM = 'a';
+ const SWATCH = 'B';
+ const HOUR = 'HH';
+ const HOUR_SHORT = 'H';
+ const HOUR_AM = 'hh';
+ const HOUR_SHORT_AM = 'h';
+ const MINUTE = 'mm';
+ const MINUTE_SHORT = 'm';
+ const SECOND = 'ss';
+ const SECOND_SHORT = 's';
+ const MILLISECOND = 'S';
+ const TIMEZONE_NAME = 'zzzz';
+ const DAYLIGHT = 'I';
+ const GMT_DIFF = 'Z';
+ const GMT_DIFF_SEP = 'ZZZZ';
+ const TIMEZONE = 'z';
+ const TIMEZONE_SECS = 'X';
+ const ISO_8601 = 'c';
+ const RFC_2822 = 'r';
+ const TIMESTAMP = 'U';
+ const ERA = 'G';
+ const ERA_NAME = 'GGGG';
+ const ERA_NARROW = 'GGGGG';
+ const DATES = 'F';
+ const DATE_FULL = 'FFFFF';
+ const DATE_LONG = 'FFFF';
+ const DATE_MEDIUM = 'FFF';
+ const DATE_SHORT = 'FF';
+ const TIMES = 'WW';
+ const TIME_FULL = 'TTTTT';
+ const TIME_LONG = 'TTTT';
+ const TIME_MEDIUM = 'TTT';
+ const TIME_SHORT = 'TT';
+ const DATETIME = 'K';
+ const DATETIME_FULL = 'KKKKK';
+ const DATETIME_LONG = 'KKKK';
+ const DATETIME_MEDIUM = 'KKK';
+ const DATETIME_SHORT = 'KK';
+ const ATOM = 'OOO';
+ const COOKIE = 'CCC';
+ const RFC_822 = 'R';
+ const RFC_850 = 'RR';
+ const RFC_1036 = 'RRR';
+ const RFC_1123 = 'RRRR';
+ const RFC_3339 = 'RRRRR';
+ const RSS = 'SSS';
+ const W3C = 'WWW';
+
+ /**
+ * Generates the standard date object, could be a unix timestamp, localized date,
+ * string, integer, array and so on. Also parts of dates or time are supported
+ * Always set the default timezone: http://php.net/date_default_timezone_set
+ * For example, in your bootstrap: date_default_timezone_set('America/Los_Angeles');
+ * For detailed instructions please look in the docu.
+ *
+ * @param string|integer|Zend_Date|array $date OPTIONAL Date value or value of date part to set
+ * ,depending on $part. If null the actual time is set
+ * @param string $part OPTIONAL Defines the input format of $date
+ * @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
+ * @return Zend_Date
+ * @throws Zend_Date_Exception
+ */
+ public function __construct($date = null, $part = null, $locale = null)
+ {
+ if (is_object($date) and !($date instanceof Zend_TimeSync_Protocol) and
+ !($date instanceof Zend_Date)) {
+ if ($locale instanceof Zend_Locale) {
+ $locale = $date;
+ $date = null;
+ $part = null;
+ } else {
+ $date = (string) $date;
+ }
+ }
+
+ if (($date !== null) and !is_array($date) and !($date instanceof Zend_TimeSync_Protocol) and
+ !($date instanceof Zend_Date) and !defined($date) and Zend_Locale::isLocale($date, true, false)) {
+ $locale = $date;
+ $date = null;
+ $part = null;
+ } else if (($part !== null) and !defined($part) and Zend_Locale::isLocale($part, true, false)) {
+ $locale = $part;
+ $part = null;
+ }
+
+ $this->setLocale($locale);
+ if (is_string($date) && ($part === null) && (strlen($date) <= 5)) {
+ $part = $date;
+ $date = null;
+ }
+
+ if ($date === null) {
+ if ($part === null) {
+ $date = time();
+ } else if ($part !== self::TIMESTAMP) {
+ $date = self::now($locale);
+ $date = $date->get($part);
+ }
+ }
+
+ if ($date instanceof Zend_TimeSync_Protocol) {
+ $date = $date->getInfo();
+ $date = $this->_getTime($date['offset']);
+ $part = null;
+ } else if (parent::$_defaultOffset != 0) {
+ $date = $this->_getTime(parent::$_defaultOffset);
+ }
+
+ // set the timezone and offset for $this
+ $zone = @date_default_timezone_get();
+ $this->setTimezone($zone);
+
+ // try to get timezone from date-string
+ if (!is_int($date)) {
+ $zone = $this->getTimezoneFromString($date);
+ $this->setTimezone($zone);
+ }
+
+ // set datepart
+ if (($part !== null && $part !== self::TIMESTAMP) or (!is_numeric($date))) {
+ // switch off dst handling for value setting
+ $this->setUnixTimestamp($this->getGmtOffset());
+ $this->set($date, $part, $this->_locale);
+
+ // DST fix
+ if (is_array($date) === true) {
+ if (!isset($date['hour'])) {
+ $date['hour'] = 0;
+ }
+
+ $hour = $this->toString('H', 'iso', true);
+ $hour = $date['hour'] - $hour;
+ switch ($hour) {
+ case 1 :
+ case -23 :
+ $this->addTimestamp(3600);
+ break;
+ case -1 :
+ case 23 :
+ $this->subTimestamp(3600);
+ break;
+ case 2 :
+ case -22 :
+ $this->addTimestamp(7200);
+ break;
+ case -2 :
+ case 22 :
+ $this->subTimestamp(7200);
+ break;
+ }
+ }
+ } else {
+ $this->setUnixTimestamp($date);
+ }
+ }
+
+ /**
+ * Sets class wide options, if no option was given, the actual set options will be returned
+ *
+ * @param array $options Options to set
+ * @throws Zend_Date_Exception
+ * @return Options array if no option was given
+ */
+ public static function setOptions(array $options = array())
+ {
+ if (empty($options)) {
+ return self::$_options;
+ }
+
+ foreach ($options as $name => $value) {
+ $name = strtolower($name);
+
+ if (array_key_exists($name, self::$_options)) {
+ switch($name) {
+ case 'format_type' :
+ if ((strtolower($value) != 'php') && (strtolower($value) != 'iso')) {
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception("Unknown format type ($value) for dates, only 'iso' and 'php' supported", 0, null, $value);
+ }
+ break;
+ case 'fix_dst' :
+ if (!is_bool($value)) {
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception("'fix_dst' has to be boolean", 0, null, $value);
+ }
+ break;
+ case 'extend_month' :
+ if (!is_bool($value)) {
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception("'extend_month' has to be boolean", 0, null, $value);
+ }
+ break;
+ case 'cache' :
+ if ($value === null) {
+ parent::$_cache = null;
+ } else {
+ if (!$value instanceof Zend_Cache_Core) {
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception("Instance of Zend_Cache expected");
+ }
+
+ parent::$_cache = $value;
+ parent::$_cacheTags = Zend_Date_DateObject::_getTagSupportForCache();
+ Zend_Locale_Data::setCache($value);
+ }
+ break;
+ case 'timesync' :
+ if ($value === null) {
+ parent::$_defaultOffset = 0;
+ } else {
+ if (!$value instanceof Zend_TimeSync_Protocol) {
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception("Instance of Zend_TimeSync expected");
+ }
+
+ $date = $value->getInfo();
+ parent::$_defaultOffset = $date['offset'];
+ }
+ break;
+ }
+ self::$_options[$name] = $value;
+ }
+ else {
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception("Unknown option: $name = $value");
+ }
+ }
+ }
+
+ /**
+ * Returns this object's internal UNIX timestamp (equivalent to Zend_Date::TIMESTAMP).
+ * If the timestamp is too large for integers, then the return value will be a string.
+ * This function does not return the timestamp as an object.
+ * Use clone() or copyPart() instead.
+ *
+ * @return integer|string UNIX timestamp
+ */
+ public function getTimestamp()
+ {
+ return $this->getUnixTimestamp();
+ }
+
+ /**
+ * Returns the calculated timestamp
+ * HINT: timestamps are always GMT
+ *
+ * @param string $calc Type of calculation to make
+ * @param string|integer|array|Zend_Date $stamp Timestamp to calculate, when null the actual timestamp is calculated
+ * @return Zend_Date|integer
+ * @throws Zend_Date_Exception
+ */
+ private function _timestamp($calc, $stamp)
+ {
+ if ($stamp instanceof Zend_Date) {
+ // extract timestamp from object
+ $stamp = $stamp->getTimestamp();
+ }
+
+ if (is_array($stamp)) {
+ if (isset($stamp['timestamp']) === true) {
+ $stamp = $stamp['timestamp'];
+ } else {
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception('no timestamp given in array');
+ }
+ }
+
+ if ($calc === 'set') {
+ $return = $this->setUnixTimestamp($stamp);
+ } else {
+ $return = $this->_calcdetail($calc, $stamp, self::TIMESTAMP, null);
+ }
+ if ($calc != 'cmp') {
+ return $this;
+ }
+ return $return;
+ }
+
+ /**
+ * Sets a new timestamp
+ *
+ * @param integer|string|array|Zend_Date $timestamp Timestamp to set
+ * @return Zend_Date Provides fluid interface
+ * @throws Zend_Date_Exception
+ */
+ public function setTimestamp($timestamp)
+ {
+ return $this->_timestamp('set', $timestamp);
+ }
+
+ /**
+ * Adds a timestamp
+ *
+ * @param integer|string|array|Zend_Date $timestamp Timestamp to add
+ * @return Zend_Date Provides fluid interface
+ * @throws Zend_Date_Exception
+ */
+ public function addTimestamp($timestamp)
+ {
+ return $this->_timestamp('add', $timestamp);
+ }
+
+ /**
+ * Subtracts a timestamp
+ *
+ * @param integer|string|array|Zend_Date $timestamp Timestamp to sub
+ * @return Zend_Date Provides fluid interface
+ * @throws Zend_Date_Exception
+ */
+ public function subTimestamp($timestamp)
+ {
+ return $this->_timestamp('sub', $timestamp);
+ }
+
+ /**
+ * Compares two timestamps, returning the difference as integer
+ *
+ * @param integer|string|array|Zend_Date $timestamp Timestamp to compare
+ * @return integer 0 = equal, 1 = later, -1 = earlier
+ * @throws Zend_Date_Exception
+ */
+ public function compareTimestamp($timestamp)
+ {
+ return $this->_timestamp('cmp', $timestamp);
+ }
+
+ /**
+ * Returns a string representation of the object
+ * Supported format tokens are:
+ * G - era, y - year, Y - ISO year, M - month, w - week of year, D - day of year, d - day of month
+ * E - day of week, e - number of weekday (1-7), h - hour 1-12, H - hour 0-23, m - minute, s - second
+ * A - milliseconds of day, z - timezone, Z - timezone offset, S - fractional second, a - period of day
+ *
+ * Additionally format tokens but non ISO conform are:
+ * SS - day suffix, eee - php number of weekday(0-6), ddd - number of days per month
+ * l - Leap year, B - swatch internet time, I - daylight saving time, X - timezone offset in seconds
+ * r - RFC2822 format, U - unix timestamp
+ *
+ * Not supported ISO tokens are
+ * u - extended year, Q - quarter, q - quarter, L - stand alone month, W - week of month
+ * F - day of week of month, g - modified julian, c - stand alone weekday, k - hour 0-11, K - hour 1-24
+ * v - wall zone
+ *
+ * @param string $format OPTIONAL Rule for formatting output. If null the default date format is used
+ * @param string $type OPTIONAL Type for the format string which overrides the standard setting
+ * @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
+ * @return string
+ */
+ public function toString($format = null, $type = null, $locale = null)
+ {
+ if (is_object($format)) {
+ if ($format instanceof Zend_Locale) {
+ $locale = $format;
+ $format = null;
+ } else {
+ $format = (string) $format;
+ }
+ }
+
+ if (is_object($type)) {
+ if ($type instanceof Zend_Locale) {
+ $locale = $type;
+ $type = null;
+ } else {
+ $type = (string) $type;
+ }
+ }
+
+ if (($format !== null) && !defined($format)
+ && ($format != 'ee') && ($format != 'ss') && ($format != 'GG') && ($format != 'MM') && ($format != 'EE') && ($format != 'TT')
+ && Zend_Locale::isLocale($format, null, false)) {
+ $locale = $format;
+ $format = null;
+ }
+
+ if (($type !== null) and ($type != 'php') and ($type != 'iso') and
+ Zend_Locale::isLocale($type, null, false)) {
+ $locale = $type;
+ $type = null;
+ }
+
+ if ($locale === null) {
+ $locale = $this->getLocale();
+ }
+
+ if ($format === null) {
+ $format = Zend_Locale_Format::getDateFormat($locale) . ' ' . Zend_Locale_Format::getTimeFormat($locale);
+ } else if (((self::$_options['format_type'] == 'php') && ($type === null)) or ($type == 'php')) {
+ $format = Zend_Locale_Format::convertPhpToIsoFormat($format);
+ }
+
+ return $this->date($this->_toToken($format, $locale), $this->getUnixTimestamp(), false);
+ }
+
+ /**
+ * Returns a string representation of the date which is equal with the timestamp
+ *
+ * @return string
+ */
+ public function __toString()
+ {
+ return $this->toString(null, $this->_locale);
+ }
+
+ /**
+ * Returns a integer representation of the object
+ * But returns false when the given part is no value f.e. Month-Name
+ *
+ * @param string|integer|Zend_Date $part OPTIONAL Defines the date or datepart to return as integer
+ * @return integer|false
+ */
+ public function toValue($part = null)
+ {
+ $result = $this->get($part);
+ if (is_numeric($result)) {
+ return intval("$result");
+ } else {
+ return false;
+ }
+ }
+
+ /**
+ * Returns an array representation of the object
+ *
+ * @return array
+ */
+ public function toArray()
+ {
+ return array('day' => $this->toString(self::DAY_SHORT, 'iso'),
+ 'month' => $this->toString(self::MONTH_SHORT, 'iso'),
+ 'year' => $this->toString(self::YEAR, 'iso'),
+ 'hour' => $this->toString(self::HOUR_SHORT, 'iso'),
+ 'minute' => $this->toString(self::MINUTE_SHORT, 'iso'),
+ 'second' => $this->toString(self::SECOND_SHORT, 'iso'),
+ 'timezone' => $this->toString(self::TIMEZONE, 'iso'),
+ 'timestamp' => $this->toString(self::TIMESTAMP, 'iso'),
+ 'weekday' => $this->toString(self::WEEKDAY_8601, 'iso'),
+ 'dayofyear' => $this->toString(self::DAY_OF_YEAR, 'iso'),
+ 'week' => $this->toString(self::WEEK, 'iso'),
+ 'gmtsecs' => $this->toString(self::TIMEZONE_SECS, 'iso'));
+ }
+
+ /**
+ * Returns a representation of a date or datepart
+ * This could be for example a localized monthname, the time without date,
+ * the era or only the fractional seconds. There are about 50 different supported date parts.
+ * For a complete list of supported datepart values look into the docu
+ *
+ * @param string $part OPTIONAL Part of the date to return, if null the timestamp is returned
+ * @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
+ * @return string date or datepart
+ */
+ public function get($part = null, $locale = null)
+ {
+ if ($locale === null) {
+ $locale = $this->getLocale();
+ }
+
+ if (($part !== null) && !defined($part)
+ && ($part != 'ee') && ($part != 'ss') && ($part != 'GG') && ($part != 'MM') && ($part != 'EE') && ($part != 'TT')
+ && Zend_Locale::isLocale($part, null, false)) {
+ $locale = $part;
+ $part = null;
+ }
+
+ if ($part === null) {
+ $part = self::TIMESTAMP;
+ } else if (self::$_options['format_type'] == 'php') {
+ $part = Zend_Locale_Format::convertPhpToIsoFormat($part);
+ }
+
+ return $this->date($this->_toToken($part, $locale), $this->getUnixTimestamp(), false);
+ }
+
+ /**
+ * Internal method to apply tokens
+ *
+ * @param string $part
+ * @param string $locale
+ * @return string
+ */
+ private function _toToken($part, $locale) {
+ // get format tokens
+ $comment = false;
+ $format = '';
+ $orig = '';
+ for ($i = 0; isset($part[$i]); ++$i) {
+ if ($part[$i] == "'") {
+ $comment = $comment ? false : true;
+ if (isset($part[$i+1]) && ($part[$i+1] == "'")) {
+ $comment = $comment ? false : true;
+ $format .= "\\'";
+ ++$i;
+ }
+
+ $orig = '';
+ continue;
+ }
+
+ if ($comment) {
+ $format .= '\\' . $part[$i];
+ $orig = '';
+ } else {
+ $orig .= $part[$i];
+ if (!isset($part[$i+1]) || (isset($orig[0]) && ($orig[0] != $part[$i+1]))) {
+ $format .= $this->_parseIsoToDate($orig, $locale);
+ $orig = '';
+ }
+ }
+ }
+
+ return $format;
+ }
+
+ /**
+ * Internal parsing method
+ *
+ * @param string $token
+ * @param string $locale
+ * @return string
+ */
+ private function _parseIsoToDate($token, $locale) {
+ switch($token) {
+ case self::DAY :
+ return 'd';
+ break;
+
+ case self::WEEKDAY_SHORT :
+ $weekday = strtolower($this->date('D', $this->getUnixTimestamp(), false));
+ $day = Zend_Locale_Data::getContent($locale, 'day', array('gregorian', 'format', 'wide', $weekday));
+ return $this->_toComment(iconv_substr($day, 0, 3, 'UTF-8'));
+ break;
+
+ case self::DAY_SHORT :
+ return 'j';
+ break;
+
+ case self::WEEKDAY :
+ $weekday = strtolower($this->date('D', $this->getUnixTimestamp(), false));
+ return $this->_toComment(Zend_Locale_Data::getContent($locale, 'day', array('gregorian', 'format', 'wide', $weekday)));
+ break;
+
+ case self::WEEKDAY_8601 :
+ return 'N';
+ break;
+
+ case 'ee' :
+ return $this->_toComment(str_pad($this->date('N', $this->getUnixTimestamp(), false), 2, '0', STR_PAD_LEFT));
+ break;
+
+ case self::DAY_SUFFIX :
+ return 'S';
+ break;
+
+ case self::WEEKDAY_DIGIT :
+ return 'w';
+ break;
+
+ case self::DAY_OF_YEAR :
+ return 'z';
+ break;
+
+ case 'DDD' :
+ return $this->_toComment(str_pad($this->date('z', $this->getUnixTimestamp(), false), 3, '0', STR_PAD_LEFT));
+ break;
+
+ case 'DD' :
+ return $this->_toComment(str_pad($this->date('z', $this->getUnixTimestamp(), false), 2, '0', STR_PAD_LEFT));
+ break;
+
+ case self::WEEKDAY_NARROW :
+ case 'EEEEE' :
+ $weekday = strtolower($this->date('D', $this->getUnixTimestamp(), false));
+ $day = Zend_Locale_Data::getContent($locale, 'day', array('gregorian', 'format', 'abbreviated', $weekday));
+ return $this->_toComment(iconv_substr($day, 0, 1, 'UTF-8'));
+ break;
+
+ case self::WEEKDAY_NAME :
+ $weekday = strtolower($this->date('D', $this->getUnixTimestamp(), false));
+ return $this->_toComment(Zend_Locale_Data::getContent($locale, 'day', array('gregorian', 'format', 'abbreviated', $weekday)));
+ break;
+
+ case 'w' :
+ $week = $this->date('W', $this->getUnixTimestamp(), false);
+ return $this->_toComment(($week[0] == '0') ? $week[1] : $week);
+ break;
+
+ case self::WEEK :
+ return 'W';
+ break;
+
+ case self::MONTH_NAME :
+ $month = $this->date('n', $this->getUnixTimestamp(), false);
+ return $this->_toComment(Zend_Locale_Data::getContent($locale, 'month', array('gregorian', 'format', 'wide', $month)));
+ break;
+
+ case self::MONTH :
+ return 'm';
+ break;
+
+ case self::MONTH_NAME_SHORT :
+ $month = $this->date('n', $this->getUnixTimestamp(), false);
+ return $this->_toComment(Zend_Locale_Data::getContent($locale, 'month', array('gregorian', 'format', 'abbreviated', $month)));
+ break;
+
+ case self::MONTH_SHORT :
+ return 'n';
+ break;
+
+ case self::MONTH_DAYS :
+ return 't';
+ break;
+
+ case self::MONTH_NAME_NARROW :
+ $month = $this->date('n', $this->getUnixTimestamp(), false);
+ $mon = Zend_Locale_Data::getContent($locale, 'month', array('gregorian', 'format', 'abbreviated', $month));
+ return $this->_toComment(iconv_substr($mon, 0, 1, 'UTF-8'));
+ break;
+
+ case self::LEAPYEAR :
+ return 'L';
+ break;
+
+ case self::YEAR_8601 :
+ return 'o';
+ break;
+
+ case self::YEAR :
+ return 'Y';
+ break;
+
+ case self::YEAR_SHORT :
+ return 'y';
+ break;
+
+ case self::YEAR_SHORT_8601 :
+ return $this->_toComment(substr($this->date('o', $this->getUnixTimestamp(), false), -2, 2));
+ break;
+
+ case self::MERIDIEM :
+ $am = $this->date('a', $this->getUnixTimestamp(), false);
+ if ($am == 'am') {
+ return $this->_toComment(Zend_Locale_Data::getContent($locale, 'am'));
+ }
+
+ return $this->_toComment(Zend_Locale_Data::getContent($locale, 'pm'));
+ break;
+
+ case self::SWATCH :
+ return 'B';
+ break;
+
+ case self::HOUR_SHORT_AM :
+ return 'g';
+ break;
+
+ case self::HOUR_SHORT :
+ return 'G';
+ break;
+
+ case self::HOUR_AM :
+ return 'h';
+ break;
+
+ case self::HOUR :
+ return 'H';
+ break;
+
+ case self::MINUTE :
+ return $this->_toComment(str_pad($this->date('i', $this->getUnixTimestamp(), false), 2, '0', STR_PAD_LEFT));
+ break;
+
+ case self::SECOND :
+ return $this->_toComment(str_pad($this->date('s', $this->getUnixTimestamp(), false), 2, '0', STR_PAD_LEFT));
+ break;
+
+ case self::MINUTE_SHORT :
+ return 'i';
+ break;
+
+ case self::SECOND_SHORT :
+ return 's';
+ break;
+
+ case self::MILLISECOND :
+ return $this->_toComment($this->getMilliSecond());
+ break;
+
+ case self::TIMEZONE_NAME :
+ case 'vvvv' :
+ return 'e';
+ break;
+
+ case self::DAYLIGHT :
+ return 'I';
+ break;
+
+ case self::GMT_DIFF :
+ case 'ZZ' :
+ case 'ZZZ' :
+ return 'O';
+ break;
+
+ case self::GMT_DIFF_SEP :
+ return 'P';
+ break;
+
+ case self::TIMEZONE :
+ case 'v' :
+ case 'zz' :
+ case 'zzz' :
+ return 'T';
+ break;
+
+ case self::TIMEZONE_SECS :
+ return 'Z';
+ break;
+
+ case self::ISO_8601 :
+ return 'c';
+ break;
+
+ case self::RFC_2822 :
+ return 'r';
+ break;
+
+ case self::TIMESTAMP :
+ return 'U';
+ break;
+
+ case self::ERA :
+ case 'GG' :
+ case 'GGG' :
+ $year = $this->date('Y', $this->getUnixTimestamp(), false);
+ if ($year < 0) {
+ return $this->_toComment(Zend_Locale_Data::getContent($locale, 'era', array('gregorian', 'Abbr', '0')));
+ }
+
+ return $this->_toComment(Zend_Locale_Data::getContent($locale, 'era', array('gregorian', 'Abbr', '1')));
+ break;
+
+ case self::ERA_NARROW :
+ $year = $this->date('Y', $this->getUnixTimestamp(), false);
+ if ($year < 0) {
+ return $this->_toComment(iconv_substr(Zend_Locale_Data::getContent($locale, 'era', array('gregorian', 'Abbr', '0')), 0, 1, 'UTF-8')) . '.';
+ }
+
+ return $this->_toComment(iconv_substr(Zend_Locale_Data::getContent($locale, 'era', array('gregorian', 'Abbr', '1')), 0, 1, 'UTF-8')) . '.';
+ break;
+
+ case self::ERA_NAME :
+ $year = $this->date('Y', $this->getUnixTimestamp(), false);
+ if ($year < 0) {
+ return $this->_toComment(Zend_Locale_Data::getContent($locale, 'era', array('gregorian', 'Names', '0')));
+ }
+
+ return $this->_toComment(Zend_Locale_Data::getContent($locale, 'era', array('gregorian', 'Names', '1')));
+ break;
+
+ case self::DATES :
+ return $this->_toToken(Zend_Locale_Format::getDateFormat($locale), $locale);
+ break;
+
+ case self::DATE_FULL :
+ return $this->_toToken(Zend_Locale_Data::getContent($locale, 'date', array('gregorian', 'full')), $locale);
+ break;
+
+ case self::DATE_LONG :
+ return $this->_toToken(Zend_Locale_Data::getContent($locale, 'date', array('gregorian', 'long')), $locale);
+ break;
+
+ case self::DATE_MEDIUM :
+ return $this->_toToken(Zend_Locale_Data::getContent($locale, 'date', array('gregorian', 'medium')), $locale);
+ break;
+
+ case self::DATE_SHORT :
+ return $this->_toToken(Zend_Locale_Data::getContent($locale, 'date', array('gregorian', 'short')), $locale);
+ break;
+
+ case self::TIMES :
+ return $this->_toToken(Zend_Locale_Format::getTimeFormat($locale), $locale);
+ break;
+
+ case self::TIME_FULL :
+ return $this->_toToken(Zend_Locale_Data::getContent($locale, 'time', 'full'), $locale);
+ break;
+
+ case self::TIME_LONG :
+ return $this->_toToken(Zend_Locale_Data::getContent($locale, 'time', 'long'), $locale);
+ break;
+
+ case self::TIME_MEDIUM :
+ return $this->_toToken(Zend_Locale_Data::getContent($locale, 'time', 'medium'), $locale);
+ break;
+
+ case self::TIME_SHORT :
+ return $this->_toToken(Zend_Locale_Data::getContent($locale, 'time', 'short'), $locale);
+ break;
+
+ case self::DATETIME :
+ return $this->_toToken(Zend_Locale_Format::getDateTimeFormat($locale), $locale);
+ break;
+
+ case self::DATETIME_FULL :
+ return $this->_toToken(Zend_Locale_Data::getContent($locale, 'datetime', array('gregorian', 'full')), $locale);
+ break;
+
+ case self::DATETIME_LONG :
+ return $this->_toToken(Zend_Locale_Data::getContent($locale, 'datetime', array('gregorian', 'long')), $locale);
+ break;
+
+ case self::DATETIME_MEDIUM :
+ return $this->_toToken(Zend_Locale_Data::getContent($locale, 'datetime', array('gregorian', 'medium')), $locale);
+ break;
+
+ case self::DATETIME_SHORT :
+ return $this->_toToken(Zend_Locale_Data::getContent($locale, 'datetime', array('gregorian', 'short')), $locale);
+ break;
+
+ case self::ATOM :
+ return 'Y\-m\-d\TH\:i\:sP';
+ break;
+
+ case self::COOKIE :
+ return 'l\, d\-M\-y H\:i\:s e';
+ break;
+
+ case self::RFC_822 :
+ return 'D\, d M y H\:i\:s O';
+ break;
+
+ case self::RFC_850 :
+ return 'l\, d\-M\-y H\:i\:s e';
+ break;
+
+ case self::RFC_1036 :
+ return 'D\, d M y H\:i\:s O';
+ break;
+
+ case self::RFC_1123 :
+ return 'D\, d M Y H\:i\:s O';
+ break;
+
+ case self::RFC_3339 :
+ return 'Y\-m\-d\TH\:i\:sP';
+ break;
+
+ case self::RSS :
+ return 'D\, d M Y H\:i\:s O';
+ break;
+
+ case self::W3C :
+ return 'Y\-m\-d\TH\:i\:sP';
+ break;
+ }
+
+ if ($token == '') {
+ return '';
+ }
+
+ switch ($token[0]) {
+ case 'y' :
+ if ((strlen($token) == 4) && (abs($this->getUnixTimestamp()) <= 0x7FFFFFFF)) {
+ return 'Y';
+ }
+
+ $length = iconv_strlen($token, 'UTF-8');
+ return $this->_toComment(str_pad($this->date('Y', $this->getUnixTimestamp(), false), $length, '0', STR_PAD_LEFT));
+ break;
+
+ case 'Y' :
+ if ((strlen($token) == 4) && (abs($this->getUnixTimestamp()) <= 0x7FFFFFFF)) {
+ return 'o';
+ }
+
+ $length = iconv_strlen($token, 'UTF-8');
+ return $this->_toComment(str_pad($this->date('o', $this->getUnixTimestamp(), false), $length, '0', STR_PAD_LEFT));
+ break;
+
+ case 'A' :
+ $length = iconv_strlen($token, 'UTF-8');
+ $result = substr($this->getMilliSecond(), 0, 3);
+ $result += $this->date('s', $this->getUnixTimestamp(), false) * 1000;
+ $result += $this->date('i', $this->getUnixTimestamp(), false) * 60000;
+ $result += $this->date('H', $this->getUnixTimestamp(), false) * 3600000;
+
+ return $this->_toComment(str_pad($result, $length, '0', STR_PAD_LEFT));
+ break;
+ }
+
+ return $this->_toComment($token);
+ }
+
+ /**
+ * Private function to make a comment of a token
+ *
+ * @param string $token
+ * @return string
+ */
+ private function _toComment($token)
+ {
+ $token = str_split($token);
+ $result = '';
+ foreach ($token as $tok) {
+ $result .= '\\' . $tok;
+ }
+
+ return $result;
+ }
+
+ /**
+ * Return digit from standard names (english)
+ * Faster implementation than locale aware searching
+ *
+ * @param string $name
+ * @return integer Number of this month
+ * @throws Zend_Date_Exception
+ */
+ private function _getDigitFromName($name)
+ {
+ switch($name) {
+ case "Jan":
+ return 1;
+
+ case "Feb":
+ return 2;
+
+ case "Mar":
+ return 3;
+
+ case "Apr":
+ return 4;
+
+ case "May":
+ return 5;
+
+ case "Jun":
+ return 6;
+
+ case "Jul":
+ return 7;
+
+ case "Aug":
+ return 8;
+
+ case "Sep":
+ return 9;
+
+ case "Oct":
+ return 10;
+
+ case "Nov":
+ return 11;
+
+ case "Dec":
+ return 12;
+
+ default:
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception('Month ($name) is not a known month');
+ }
+ }
+
+ /**
+ * Counts the exact year number
+ * < 70 - 2000 added, >70 < 100 - 1900, others just returned
+ *
+ * @param integer $value year number
+ * @return integer Number of year
+ */
+ public static function getFullYear($value)
+ {
+ if ($value >= 0) {
+ if ($value < 70) {
+ $value += 2000;
+ } else if ($value < 100) {
+ $value += 1900;
+ }
+ }
+ return $value;
+ }
+
+ /**
+ * Sets the given date as new date or a given datepart as new datepart returning the new datepart
+ * This could be for example a localized dayname, the date without time,
+ * the month or only the seconds. There are about 50 different supported date parts.
+ * For a complete list of supported datepart values look into the docu
+ *
+ * @param string|integer|array|Zend_Date $date Date or datepart to set
+ * @param string $part OPTIONAL Part of the date to set, if null the timestamp is set
+ * @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
+ * @return Zend_Date Provides fluid interface
+ * @throws Zend_Date_Exception
+ */
+ public function set($date, $part = null, $locale = null)
+ {
+ if (self::$_options['format_type'] == 'php') {
+ $part = Zend_Locale_Format::convertPhpToIsoFormat($part);
+ }
+
+ $zone = $this->getTimezoneFromString($date);
+ $this->setTimezone($zone);
+
+ $this->_calculate('set', $date, $part, $locale);
+ return $this;
+ }
+
+ /**
+ * Adds a date or datepart to the existing date, by extracting $part from $date,
+ * and modifying this object by adding that part. The $part is then extracted from
+ * this object and returned as an integer or numeric string (for large values, or $part's
+ * corresponding to pre-defined formatted date strings).
+ * This could be for example a ISO 8601 date, the hour the monthname or only the minute.
+ * There are about 50 different supported date parts.
+ * For a complete list of supported datepart values look into the docu.
+ *
+ * @param string|integer|array|Zend_Date $date Date or datepart to add
+ * @param string $part OPTIONAL Part of the date to add, if null the timestamp is added
+ * @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
+ * @return Zend_Date Provides fluid interface
+ * @throws Zend_Date_Exception
+ */
+ public function add($date, $part = self::TIMESTAMP, $locale = null)
+ {
+ if (self::$_options['format_type'] == 'php') {
+ $part = Zend_Locale_Format::convertPhpToIsoFormat($part);
+ }
+
+ $this->_calculate('add', $date, $part, $locale);
+ return $this;
+ }
+
+ /**
+ * Subtracts a date from another date.
+ * This could be for example a RFC2822 date, the time,
+ * the year or only the timestamp. There are about 50 different supported date parts.
+ * For a complete list of supported datepart values look into the docu
+ * Be aware: Adding -2 Months is not equal to Subtracting 2 Months !!!
+ *
+ * @param string|integer|array|Zend_Date $date Date or datepart to subtract
+ * @param string $part OPTIONAL Part of the date to sub, if null the timestamp is subtracted
+ * @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
+ * @return Zend_Date Provides fluid interface
+ * @throws Zend_Date_Exception
+ */
+ public function sub($date, $part = self::TIMESTAMP, $locale = null)
+ {
+ if (self::$_options['format_type'] == 'php') {
+ $part = Zend_Locale_Format::convertPhpToIsoFormat($part);
+ }
+
+ $this->_calculate('sub', $date, $part, $locale);
+ return $this;
+ }
+
+ /**
+ * Compares a date or datepart with the existing one.
+ * Returns -1 if earlier, 0 if equal and 1 if later.
+ *
+ * @param string|integer|array|Zend_Date $date Date or datepart to compare with the date object
+ * @param string $part OPTIONAL Part of the date to compare, if null the timestamp is subtracted
+ * @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
+ * @return integer 0 = equal, 1 = later, -1 = earlier
+ * @throws Zend_Date_Exception
+ */
+ public function compare($date, $part = self::TIMESTAMP, $locale = null)
+ {
+ if (self::$_options['format_type'] == 'php') {
+ $part = Zend_Locale_Format::convertPhpToIsoFormat($part);
+ }
+
+ $compare = $this->_calculate('cmp', $date, $part, $locale);
+
+ if ($compare > 0) {
+ return 1;
+ } else if ($compare < 0) {
+ return -1;
+ }
+ return 0;
+ }
+
+ /**
+ * Returns a new instance of Zend_Date with the selected part copied.
+ * To make an exact copy, use PHP's clone keyword.
+ * For a complete list of supported date part values look into the docu.
+ * If a date part is copied, all other date parts are set to standard values.
+ * For example: If only YEAR is copied, the returned date object is equal to
+ * 01-01-YEAR 00:00:00 (01-01-1970 00:00:00 is equal to timestamp 0)
+ * If only HOUR is copied, the returned date object is equal to
+ * 01-01-1970 HOUR:00:00 (so $this contains a timestamp equal to a timestamp of 0 plus HOUR).
+ *
+ * @param string $part Part of the date to compare, if null the timestamp is subtracted
+ * @param string|Zend_Locale $locale OPTIONAL New object's locale. No adjustments to timezone are made.
+ * @return Zend_Date New clone with requested part
+ */
+ public function copyPart($part, $locale = null)
+ {
+ $clone = clone $this; // copy all instance variables
+ $clone->setUnixTimestamp(0); // except the timestamp
+ if ($locale != null) {
+ $clone->setLocale($locale); // set an other locale if selected
+ }
+ $clone->set($this, $part);
+ return $clone;
+ }
+
+ /**
+ * Internal function, returns the offset of a given timezone
+ *
+ * @param string $zone
+ * @return integer
+ */
+ public function getTimezoneFromString($zone)
+ {
+ if (is_array($zone)) {
+ return $this->getTimezone();
+ }
+
+ if ($zone instanceof Zend_Date) {
+ return $zone->getTimezone();
+ }
+
+ $match = array();
+ preg_match('/\dZ$/', $zone, $match);
+ if (!empty($match)) {
+ return "Etc/UTC";
+ }
+
+ preg_match('/([+-]\d{2}):{0,1}\d{2}/', $zone, $match);
+ if (!empty($match) and ($match[count($match) - 1] <= 12) and ($match[count($match) - 1] >= -12)) {
+ $zone = "Etc/GMT";
+ $zone .= ($match[count($match) - 1] < 0) ? "+" : "-";
+ $zone .= (int) abs($match[count($match) - 1]);
+ return $zone;
+ }
+
+ preg_match('/([[:alpha:]\/]{3,30})(?!.*([[:alpha:]\/]{3,30}))/', $zone, $match);
+ try {
+ if (!empty($match) and (!is_int($match[count($match) - 1]))) {
+ $oldzone = $this->getTimezone();
+ $this->setTimezone($match[count($match) - 1]);
+ $result = $this->getTimezone();
+ $this->setTimezone($oldzone);
+ if ($result !== $oldzone) {
+ return $match[count($match) - 1];
+ }
+ }
+ } catch (Exception $e) {
+ // fall through
+ }
+
+ return $this->getTimezone();
+ }
+
+ /**
+ * Calculates the date or object
+ *
+ * @param string $calc Calculation to make
+ * @param string|integer $date Date for calculation
+ * @param string|integer $comp Second date for calculation
+ * @param boolean|integer $dst Use dst correction if option is set
+ * @return integer|string|Zend_Date new timestamp or Zend_Date depending on calculation
+ */
+ private function _assign($calc, $date, $comp = 0, $dst = false)
+ {
+ switch ($calc) {
+ case 'set' :
+ if (!empty($comp)) {
+ $this->setUnixTimestamp(call_user_func(Zend_Locale_Math::$sub, $this->getUnixTimestamp(), $comp));
+ }
+ $this->setUnixTimestamp(call_user_func(Zend_Locale_Math::$add, $this->getUnixTimestamp(), $date));
+ $value = $this->getUnixTimestamp();
+ break;
+ case 'add' :
+ $this->setUnixTimestamp(call_user_func(Zend_Locale_Math::$add, $this->getUnixTimestamp(), $date));
+ $value = $this->getUnixTimestamp();
+ break;
+ case 'sub' :
+ $this->setUnixTimestamp(call_user_func(Zend_Locale_Math::$sub, $this->getUnixTimestamp(), $date));
+ $value = $this->getUnixTimestamp();
+ break;
+ default :
+ // cmp - compare
+ return call_user_func(Zend_Locale_Math::$comp, $comp, $date);
+ break;
+ }
+
+ // dst-correction if 'fix_dst' = true and dst !== false but only for non UTC and non GMT
+ if ((self::$_options['fix_dst'] === true) and ($dst !== false) and ($this->_dst === true)) {
+ $hour = $this->toString(self::HOUR, 'iso');
+ if ($hour != $dst) {
+ if (($dst == ($hour + 1)) or ($dst == ($hour - 23))) {
+ $value += 3600;
+ } else if (($dst == ($hour - 1)) or ($dst == ($hour + 23))) {
+ $value -= 3600;
+ }
+ $this->setUnixTimestamp($value);
+ }
+ }
+ return $this->getUnixTimestamp();
+ }
+
+
+ /**
+ * Calculates the date or object
+ *
+ * @param string $calc Calculation to make, one of: 'add'|'sub'|'cmp'|'copy'|'set'
+ * @param string|integer|array|Zend_Date $date Date or datepart to calculate with
+ * @param string $part Part of the date to calculate, if null the timestamp is used
+ * @param string|Zend_Locale $locale Locale for parsing input
+ * @return integer|string|Zend_Date new timestamp
+ * @throws Zend_Date_Exception
+ */
+ private function _calculate($calc, $date, $part, $locale)
+ {
+ if ($date === null) {
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception('parameter $date must be set, null is not allowed');
+ }
+
+ if (($part !== null) && (strlen($part) !== 2) && (Zend_Locale::isLocale($part, null, false))) {
+ $locale = $part;
+ $part = null;
+ }
+
+ if ($locale === null) {
+ $locale = $this->getLocale();
+ }
+
+ $locale = (string) $locale;
+
+ // Create date parts
+ $year = $this->toString(self::YEAR, 'iso');
+ $month = $this->toString(self::MONTH_SHORT, 'iso');
+ $day = $this->toString(self::DAY_SHORT, 'iso');
+ $hour = $this->toString(self::HOUR_SHORT, 'iso');
+ $minute = $this->toString(self::MINUTE_SHORT, 'iso');
+ $second = $this->toString(self::SECOND_SHORT, 'iso');
+ // If object extract value
+ if ($date instanceof Zend_Date) {
+ $date = $date->toString($part, 'iso', $locale);
+ }
+
+ if (is_array($date) === true) {
+ if (empty($part) === false) {
+ switch($part) {
+ // Fall through
+ case self::DAY:
+ case self::DAY_SHORT:
+ if (isset($date['day']) === true) {
+ $date = $date['day'];
+ }
+ break;
+ // Fall through
+ case self::WEEKDAY_SHORT:
+ case self::WEEKDAY:
+ case self::WEEKDAY_8601:
+ case self::WEEKDAY_DIGIT:
+ case self::WEEKDAY_NARROW:
+ case self::WEEKDAY_NAME:
+ if (isset($date['weekday']) === true) {
+ $date = $date['weekday'];
+ $part = self::WEEKDAY_DIGIT;
+ }
+ break;
+ case self::DAY_OF_YEAR:
+ if (isset($date['day_of_year']) === true) {
+ $date = $date['day_of_year'];
+ }
+ break;
+ // Fall through
+ case self::MONTH:
+ case self::MONTH_SHORT:
+ case self::MONTH_NAME:
+ case self::MONTH_NAME_SHORT:
+ case self::MONTH_NAME_NARROW:
+ if (isset($date['month']) === true) {
+ $date = $date['month'];
+ }
+ break;
+ // Fall through
+ case self::YEAR:
+ case self::YEAR_SHORT:
+ case self::YEAR_8601:
+ case self::YEAR_SHORT_8601:
+ if (isset($date['year']) === true) {
+ $date = $date['year'];
+ }
+ break;
+ // Fall through
+ case self::HOUR:
+ case self::HOUR_AM:
+ case self::HOUR_SHORT:
+ case self::HOUR_SHORT_AM:
+ if (isset($date['hour']) === true) {
+ $date = $date['hour'];
+ }
+ break;
+ // Fall through
+ case self::MINUTE:
+ case self::MINUTE_SHORT:
+ if (isset($date['minute']) === true) {
+ $date = $date['minute'];
+ }
+ break;
+ // Fall through
+ case self::SECOND:
+ case self::SECOND_SHORT:
+ if (isset($date['second']) === true) {
+ $date = $date['second'];
+ }
+ break;
+ // Fall through
+ case self::TIMEZONE:
+ case self::TIMEZONE_NAME:
+ if (isset($date['timezone']) === true) {
+ $date = $date['timezone'];
+ }
+ break;
+ case self::TIMESTAMP:
+ if (isset($date['timestamp']) === true) {
+ $date = $date['timestamp'];
+ }
+ break;
+ case self::WEEK:
+ if (isset($date['week']) === true) {
+ $date = $date['week'];
+ }
+ break;
+ case self::TIMEZONE_SECS:
+ if (isset($date['gmtsecs']) === true) {
+ $date = $date['gmtsecs'];
+ }
+ break;
+ default:
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception("datepart for part ($part) not found in array");
+ break;
+ }
+ } else {
+ $hours = 0;
+ if (isset($date['hour']) === true) {
+ $hours = $date['hour'];
+ }
+ $minutes = 0;
+ if (isset($date['minute']) === true) {
+ $minutes = $date['minute'];
+ }
+ $seconds = 0;
+ if (isset($date['second']) === true) {
+ $seconds = $date['second'];
+ }
+ $months = 0;
+ if (isset($date['month']) === true) {
+ $months = $date['month'];
+ }
+ $days = 0;
+ if (isset($date['day']) === true) {
+ $days = $date['day'];
+ }
+ $years = 0;
+ if (isset($date['year']) === true) {
+ $years = $date['year'];
+ }
+ return $this->_assign($calc, $this->mktime($hours, $minutes, $seconds, $months, $days, $years, true),
+ $this->mktime($hour, $minute, $second, $month, $day, $year, true), $hour);
+ }
+ }
+
+ // $date as object, part of foreign date as own date
+ switch($part) {
+
+ // day formats
+ case self::DAY:
+ if (is_numeric($date)) {
+ return $this->_assign($calc, $this->mktime(0, 0, 0, 1, 1 + intval($date), 1970, true),
+ $this->mktime(0, 0, 0, 1, 1 + intval($day), 1970, true), $hour);
+ }
+
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception("invalid date ($date) operand, day expected", 0, null, $date);
+ break;
+
+ case self::WEEKDAY_SHORT:
+ $daylist = Zend_Locale_Data::getList($locale, 'day');
+ $weekday = (int) $this->toString(self::WEEKDAY_DIGIT, 'iso', $locale);
+ $cnt = 0;
+
+ foreach ($daylist as $key => $value) {
+ if (strtoupper(iconv_substr($value, 0, 3, 'UTF-8')) == strtoupper($date)) {
+ $found = $cnt;
+ break;
+ }
+ ++$cnt;
+ }
+
+ // Weekday found
+ if ($cnt < 7) {
+ return $this->_assign($calc, $this->mktime(0, 0, 0, 1, 1 + $found, 1970, true),
+ $this->mktime(0, 0, 0, 1, 1 + $weekday, 1970, true), $hour);
+ }
+
+ // Weekday not found
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception("invalid date ($date) operand, weekday expected", 0, null, $date);
+ break;
+
+ case self::DAY_SHORT:
+ if (is_numeric($date)) {
+ return $this->_assign($calc, $this->mktime(0, 0, 0, 1, 1 + intval($date), 1970, true),
+ $this->mktime(0, 0, 0, 1, 1 + intval($day), 1970, true), $hour);
+ }
+
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception("invalid date ($date) operand, day expected", 0, null, $date);
+ break;
+
+ case self::WEEKDAY:
+ $daylist = Zend_Locale_Data::getList($locale, 'day');
+ $weekday = (int) $this->toString(self::WEEKDAY_DIGIT, 'iso', $locale);
+ $cnt = 0;
+
+ foreach ($daylist as $key => $value) {
+ if (strtoupper($value) == strtoupper($date)) {
+ $found = $cnt;
+ break;
+ }
+ ++$cnt;
+ }
+
+ // Weekday found
+ if ($cnt < 7) {
+ return $this->_assign($calc, $this->mktime(0, 0, 0, 1, 1 + $found, 1970, true),
+ $this->mktime(0, 0, 0, 1, 1 + $weekday, 1970, true), $hour);
+ }
+
+ // Weekday not found
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception("invalid date ($date) operand, weekday expected", 0, null, $date);
+ break;
+
+ case self::WEEKDAY_8601:
+ $weekday = (int) $this->toString(self::WEEKDAY_8601, 'iso', $locale);
+ if ((intval($date) > 0) and (intval($date) < 8)) {
+ return $this->_assign($calc, $this->mktime(0, 0, 0, 1, 1 + intval($date), 1970, true),
+ $this->mktime(0, 0, 0, 1, 1 + $weekday, 1970, true), $hour);
+ }
+
+ // Weekday not found
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception("invalid date ($date) operand, weekday expected", 0, null, $date);
+ break;
+
+ case self::DAY_SUFFIX:
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception('day suffix not supported', 0, null, $date);
+ break;
+
+ case self::WEEKDAY_DIGIT:
+ $weekday = (int) $this->toString(self::WEEKDAY_DIGIT, 'iso', $locale);
+ if (is_numeric($date) and (intval($date) >= 0) and (intval($date) < 7)) {
+ return $this->_assign($calc, $this->mktime(0, 0, 0, 1, 1 + $date, 1970, true),
+ $this->mktime(0, 0, 0, 1, 1 + $weekday, 1970, true), $hour);
+ }
+
+ // Weekday not found
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception("invalid date ($date) operand, weekday expected", 0, null, $date);
+ break;
+
+ case self::DAY_OF_YEAR:
+ if (is_numeric($date)) {
+ if (($calc == 'add') || ($calc == 'sub')) {
+ $year = 1970;
+ ++$date;
+ ++$day;
+ }
+
+ return $this->_assign($calc, $this->mktime(0, 0, 0, 1, $date, $year, true),
+ $this->mktime(0, 0, 0, $month, $day, $year, true), $hour);
+ }
+
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception("invalid date ($date) operand, day expected", 0, null, $date);
+ break;
+
+ case self::WEEKDAY_NARROW:
+ $daylist = Zend_Locale_Data::getList($locale, 'day', array('gregorian', 'format', 'abbreviated'));
+ $weekday = (int) $this->toString(self::WEEKDAY_DIGIT, 'iso', $locale);
+ $cnt = 0;
+ foreach ($daylist as $key => $value) {
+ if (strtoupper(iconv_substr($value, 0, 1, 'UTF-8')) == strtoupper($date)) {
+ $found = $cnt;
+ break;
+ }
+ ++$cnt;
+ }
+
+ // Weekday found
+ if ($cnt < 7) {
+ return $this->_assign($calc, $this->mktime(0, 0, 0, 1, 1 + $found, 1970, true),
+ $this->mktime(0, 0, 0, 1, 1 + $weekday, 1970, true), $hour);
+ }
+
+ // Weekday not found
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception("invalid date ($date) operand, weekday expected", 0, null, $date);
+ break;
+
+ case self::WEEKDAY_NAME:
+ $daylist = Zend_Locale_Data::getList($locale, 'day', array('gregorian', 'format', 'abbreviated'));
+ $weekday = (int) $this->toString(self::WEEKDAY_DIGIT, 'iso', $locale);
+ $cnt = 0;
+ foreach ($daylist as $key => $value) {
+ if (strtoupper($value) == strtoupper($date)) {
+ $found = $cnt;
+ break;
+ }
+ ++$cnt;
+ }
+
+ // Weekday found
+ if ($cnt < 7) {
+ return $this->_assign($calc, $this->mktime(0, 0, 0, 1, 1 + $found, 1970, true),
+ $this->mktime(0, 0, 0, 1, 1 + $weekday, 1970, true), $hour);
+ }
+
+ // Weekday not found
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception("invalid date ($date) operand, weekday expected", 0, null, $date);
+ break;
+
+ // week formats
+ case self::WEEK:
+ if (is_numeric($date)) {
+ $week = (int) $this->toString(self::WEEK, 'iso', $locale);
+ return $this->_assign($calc, parent::mktime(0, 0, 0, 1, 1 + ($date * 7), 1970, true),
+ parent::mktime(0, 0, 0, 1, 1 + ($week * 7), 1970, true), $hour);
+ }
+
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception("invalid date ($date) operand, week expected", 0, null, $date);
+ break;
+
+ // month formats
+ case self::MONTH_NAME:
+ $monthlist = Zend_Locale_Data::getList($locale, 'month');
+ $cnt = 0;
+ foreach ($monthlist as $key => $value) {
+ if (strtoupper($value) == strtoupper($date)) {
+ $found = $key;
+ break;
+ }
+ ++$cnt;
+ }
+ $date = array_search($date, $monthlist);
+
+ // Monthname found
+ if ($cnt < 12) {
+ $fixday = 0;
+ if ($calc == 'add') {
+ $date += $found;
+ $calc = 'set';
+ if (self::$_options['extend_month'] == false) {
+ $parts = $this->getDateParts($this->mktime($hour, $minute, $second, $date, $day, $year, false));
+ if ($parts['mday'] != $day) {
+ $fixday = ($parts['mday'] < $day) ? -$parts['mday'] : ($parts['mday'] - $day);
+ }
+ }
+ } else if ($calc == 'sub') {
+ $date = $month - $found;
+ $calc = 'set';
+ if (self::$_options['extend_month'] == false) {
+ $parts = $this->getDateParts($this->mktime($hour, $minute, $second, $date, $day, $year, false));
+ if ($parts['mday'] != $day) {
+ $fixday = ($parts['mday'] < $day) ? -$parts['mday'] : ($parts['mday'] - $day);
+ }
+ }
+ }
+ return $this->_assign($calc, $this->mktime(0, 0, 0, $date, $day + $fixday, $year, true),
+ $this->mktime(0, 0, 0, $month, $day, $year, true), $hour);
+ }
+
+ // Monthname not found
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception("invalid date ($date) operand, month expected", 0, null, $date);
+ break;
+
+ case self::MONTH:
+ if (is_numeric($date)) {
+ $fixday = 0;
+ if ($calc == 'add') {
+ $date += $month;
+ $calc = 'set';
+ if (self::$_options['extend_month'] == false) {
+ $parts = $this->getDateParts($this->mktime($hour, $minute, $second, $date, $day, $year, false));
+ if ($parts['mday'] != $day) {
+ $fixday = ($parts['mday'] < $day) ? -$parts['mday'] : ($parts['mday'] - $day);
+ }
+ }
+ } else if ($calc == 'sub') {
+ $date = $month - $date;
+ $calc = 'set';
+ if (self::$_options['extend_month'] == false) {
+ $parts = $this->getDateParts($this->mktime($hour, $minute, $second, $date, $day, $year, false));
+ if ($parts['mday'] != $day) {
+ $fixday = ($parts['mday'] < $day) ? -$parts['mday'] : ($parts['mday'] - $day);
+ }
+ }
+ }
+ return $this->_assign($calc, $this->mktime(0, 0, 0, $date, $day + $fixday, $year, true),
+ $this->mktime(0, 0, 0, $month, $day, $year, true), $hour);
+ }
+
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception("invalid date ($date) operand, month expected", 0, null, $date);
+ break;
+
+ case self::MONTH_NAME_SHORT:
+ $monthlist = Zend_Locale_Data::getList($locale, 'month', array('gregorian', 'format', 'abbreviated'));
+ $cnt = 0;
+ foreach ($monthlist as $key => $value) {
+ if (strtoupper($value) == strtoupper($date)) {
+ $found = $key;
+ break;
+ }
+ ++$cnt;
+ }
+ $date = array_search($date, $monthlist);
+
+ // Monthname found
+ if ($cnt < 12) {
+ $fixday = 0;
+ if ($calc == 'add') {
+ $date += $found;
+ $calc = 'set';
+ if (self::$_options['extend_month'] === false) {
+ $parts = $this->getDateParts($this->mktime($hour, $minute, $second, $date, $day, $year, false));
+ if ($parts['mday'] != $day) {
+ $fixday = ($parts['mday'] < $day) ? -$parts['mday'] : ($parts['mday'] - $day);
+ }
+ }
+ } else if ($calc == 'sub') {
+ $date = $month - $found;
+ $calc = 'set';
+ if (self::$_options['extend_month'] === false) {
+ $parts = $this->getDateParts($this->mktime($hour, $minute, $second, $date, $day, $year, false));
+ if ($parts['mday'] != $day) {
+ $fixday = ($parts['mday'] < $day) ? -$parts['mday'] : ($parts['mday'] - $day);
+ }
+ }
+ }
+ return $this->_assign($calc, $this->mktime(0, 0, 0, $date, $day + $fixday, $year, true),
+ $this->mktime(0, 0, 0, $month, $day, $year, true), $hour);
+ }
+
+ // Monthname not found
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception("invalid date ($date) operand, month expected", 0, null, $date);
+ break;
+
+ case self::MONTH_SHORT:
+ if (is_numeric($date) === true) {
+ $fixday = 0;
+ if ($calc === 'add') {
+ $date += $month;
+ $calc = 'set';
+ if (self::$_options['extend_month'] === false) {
+ $parts = $this->getDateParts($this->mktime($hour, $minute, $second, $date, $day, $year, false));
+ if ($parts['mday'] != $day) {
+ $fixday = ($parts['mday'] < $day) ? -$parts['mday'] : ($parts['mday'] - $day);
+ }
+ }
+ } else if ($calc === 'sub') {
+ $date = $month - $date;
+ $calc = 'set';
+ if (self::$_options['extend_month'] === false) {
+ $parts = $this->getDateParts($this->mktime($hour, $minute, $second, $date, $day, $year, false));
+ if ($parts['mday'] != $day) {
+ $fixday = ($parts['mday'] < $day) ? -$parts['mday'] : ($parts['mday'] - $day);
+ }
+ }
+ }
+
+ return $this->_assign($calc, $this->mktime(0, 0, 0, $date, $day + $fixday, $year, true),
+ $this->mktime(0, 0, 0, $month, $day, $year, true), $hour);
+ }
+
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception("invalid date ($date) operand, month expected", 0, null, $date);
+ break;
+
+ case self::MONTH_DAYS:
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception('month days not supported', 0, null, $date);
+ break;
+
+ case self::MONTH_NAME_NARROW:
+ $monthlist = Zend_Locale_Data::getList($locale, 'month', array('gregorian', 'stand-alone', 'narrow'));
+ $cnt = 0;
+ foreach ($monthlist as $key => $value) {
+ if (strtoupper($value) === strtoupper($date)) {
+ $found = $key;
+ break;
+ }
+ ++$cnt;
+ }
+ $date = array_search($date, $monthlist);
+
+ // Monthname found
+ if ($cnt < 12) {
+ $fixday = 0;
+ if ($calc === 'add') {
+ $date += $found;
+ $calc = 'set';
+ if (self::$_options['extend_month'] === false) {
+ $parts = $this->getDateParts($this->mktime($hour, $minute, $second, $date, $day, $year, false));
+ if ($parts['mday'] != $day) {
+ $fixday = ($parts['mday'] < $day) ? -$parts['mday'] : ($parts['mday'] - $day);
+ }
+ }
+ } else if ($calc === 'sub') {
+ $date = $month - $found;
+ $calc = 'set';
+ if (self::$_options['extend_month'] === false) {
+ $parts = $this->getDateParts($this->mktime($hour, $minute, $second, $date, $day, $year, false));
+ if ($parts['mday'] != $day) {
+ $fixday = ($parts['mday'] < $day) ? -$parts['mday'] : ($parts['mday'] - $day);
+ }
+ }
+ }
+ return $this->_assign($calc, $this->mktime(0, 0, 0, $date, $day + $fixday, $year, true),
+ $this->mktime(0, 0, 0, $month, $day, $year, true), $hour);
+ }
+
+ // Monthname not found
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception("invalid date ($date) operand, month expected", 0, null, $date);
+ break;
+
+ // year formats
+ case self::LEAPYEAR:
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception('leap year not supported', 0, null, $date);
+ break;
+
+ case self::YEAR_8601:
+ if (is_numeric($date)) {
+ if ($calc === 'add') {
+ $date += $year;
+ $calc = 'set';
+ } else if ($calc === 'sub') {
+ $date = $year - $date;
+ $calc = 'set';
+ }
+
+ return $this->_assign($calc, $this->mktime(0, 0, 0, $month, $day, intval($date), true),
+ $this->mktime(0, 0, 0, $month, $day, $year, true), false);
+ }
+
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception("invalid date ($date) operand, year expected", 0, null, $date);
+ break;
+
+ case self::YEAR:
+ if (is_numeric($date)) {
+ if ($calc === 'add') {
+ $date += $year;
+ $calc = 'set';
+ } else if ($calc === 'sub') {
+ $date = $year - $date;
+ $calc = 'set';
+ }
+
+ return $this->_assign($calc, $this->mktime(0, 0, 0, $month, $day, intval($date), true),
+ $this->mktime(0, 0, 0, $month, $day, $year, true), false);
+ }
+
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception("invalid date ($date) operand, year expected", 0, null, $date);
+ break;
+
+ case self::YEAR_SHORT:
+ if (is_numeric($date)) {
+ $date = intval($date);
+ if (($calc == 'set') || ($calc == 'cmp')) {
+ $date = self::getFullYear($date);
+ }
+ if ($calc === 'add') {
+ $date += $year;
+ $calc = 'set';
+ } else if ($calc === 'sub') {
+ $date = $year - $date;
+ $calc = 'set';
+ }
+
+ return $this->_assign($calc, $this->mktime(0, 0, 0, $month, $day, $date, true),
+ $this->mktime(0, 0, 0, $month, $day, $year, true), false);
+ }
+
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception("invalid date ($date) operand, year expected", 0, null, $date);
+ break;
+
+ case self::YEAR_SHORT_8601:
+ if (is_numeric($date)) {
+ $date = intval($date);
+ if (($calc === 'set') || ($calc === 'cmp')) {
+ $date = self::getFullYear($date);
+ }
+ if ($calc === 'add') {
+ $date += $year;
+ $calc = 'set';
+ } else if ($calc === 'sub') {
+ $date = $year - $date;
+ $calc = 'set';
+ }
+
+ return $this->_assign($calc, $this->mktime(0, 0, 0, $month, $day, $date, true),
+ $this->mktime(0, 0, 0, $month, $day, $year, true), false);
+ }
+
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception("invalid date ($date) operand, year expected", 0, null, $date);
+ break;
+
+ // time formats
+ case self::MERIDIEM:
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception('meridiem not supported', 0, null, $date);
+ break;
+
+ case self::SWATCH:
+ if (is_numeric($date)) {
+ $rest = intval($date);
+ $hours = floor($rest * 24 / 1000);
+ $rest = $rest - ($hours * 1000 / 24);
+ $minutes = floor($rest * 1440 / 1000);
+ $rest = $rest - ($minutes * 1000 / 1440);
+ $seconds = floor($rest * 86400 / 1000);
+ return $this->_assign($calc, $this->mktime($hours, $minutes, $seconds, 1, 1, 1970, true),
+ $this->mktime($hour, $minute, $second, 1, 1, 1970, true), false);
+ }
+
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception("invalid date ($date) operand, swatchstamp expected", 0, null, $date);
+ break;
+
+ case self::HOUR_SHORT_AM:
+ if (is_numeric($date)) {
+ return $this->_assign($calc, $this->mktime(intval($date), 0, 0, 1, 1, 1970, true),
+ $this->mktime($hour, 0, 0, 1, 1, 1970, true), false);
+ }
+
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception("invalid date ($date) operand, hour expected", 0, null, $date);
+ break;
+
+ case self::HOUR_SHORT:
+ if (is_numeric($date)) {
+ return $this->_assign($calc, $this->mktime(intval($date), 0, 0, 1, 1, 1970, true),
+ $this->mktime($hour, 0, 0, 1, 1, 1970, true), false);
+ }
+
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception("invalid date ($date) operand, hour expected", 0, null, $date);
+ break;
+
+ case self::HOUR_AM:
+ if (is_numeric($date)) {
+ return $this->_assign($calc, $this->mktime(intval($date), 0, 0, 1, 1, 1970, true),
+ $this->mktime($hour, 0, 0, 1, 1, 1970, true), false);
+ }
+
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception("invalid date ($date) operand, hour expected", 0, null, $date);
+ break;
+
+ case self::HOUR:
+ if (is_numeric($date)) {
+ return $this->_assign($calc, $this->mktime(intval($date), 0, 0, 1, 1, 1970, true),
+ $this->mktime($hour, 0, 0, 1, 1, 1970, true), false);
+ }
+
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception("invalid date ($date) operand, hour expected", 0, null, $date);
+ break;
+
+ case self::MINUTE:
+ if (is_numeric($date)) {
+ return $this->_assign($calc, $this->mktime(0, intval($date), 0, 1, 1, 1970, true),
+ $this->mktime(0, $minute, 0, 1, 1, 1970, true), false);
+ }
+
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception("invalid date ($date) operand, minute expected", 0, null, $date);
+ break;
+
+ case self::SECOND:
+ if (is_numeric($date)) {
+ return $this->_assign($calc, $this->mktime(0, 0, intval($date), 1, 1, 1970, true),
+ $this->mktime(0, 0, $second, 1, 1, 1970, true), false);
+ }
+
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception("invalid date ($date) operand, second expected", 0, null, $date);
+ break;
+
+ case self::MILLISECOND:
+ if (is_numeric($date)) {
+ switch($calc) {
+ case 'set' :
+ return $this->setMillisecond($date);
+ break;
+ case 'add' :
+ return $this->addMillisecond($date);
+ break;
+ case 'sub' :
+ return $this->subMillisecond($date);
+ break;
+ }
+
+ return $this->compareMillisecond($date);
+ }
+
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception("invalid date ($date) operand, milliseconds expected", 0, null, $date);
+ break;
+
+ case self::MINUTE_SHORT:
+ if (is_numeric($date)) {
+ return $this->_assign($calc, $this->mktime(0, intval($date), 0, 1, 1, 1970, true),
+ $this->mktime(0, $minute, 0, 1, 1, 1970, true), false);
+ }
+
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception("invalid date ($date) operand, minute expected", 0, null, $date);
+ break;
+
+ case self::SECOND_SHORT:
+ if (is_numeric($date)) {
+ return $this->_assign($calc, $this->mktime(0, 0, intval($date), 1, 1, 1970, true),
+ $this->mktime(0, 0, $second, 1, 1, 1970, true), false);
+ }
+
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception("invalid date ($date) operand, second expected", 0, null, $date);
+ break;
+
+ // timezone formats
+ // break intentionally omitted
+ case self::TIMEZONE_NAME:
+ case self::TIMEZONE:
+ case self::TIMEZONE_SECS:
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception('timezone not supported', 0, null, $date);
+ break;
+
+ case self::DAYLIGHT:
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception('daylight not supported', 0, null, $date);
+ break;
+
+ case self::GMT_DIFF:
+ case self::GMT_DIFF_SEP:
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception('gmtdiff not supported', 0, null, $date);
+ break;
+
+ // date strings
+ case self::ISO_8601:
+ // (-)YYYY-MM-dd
+ preg_match('/^(-{0,1}\d{4})-(\d{2})-(\d{2})/', $date, $datematch);
+ // (-)YY-MM-dd
+ if (empty($datematch)) {
+ preg_match('/^(-{0,1}\d{2})-(\d{2})-(\d{2})/', $date, $datematch);
+ }
+ // (-)YYYYMMdd
+ if (empty($datematch)) {
+ preg_match('/^(-{0,1}\d{4})(\d{2})(\d{2})/', $date, $datematch);
+ }
+ // (-)YYMMdd
+ if (empty($datematch)) {
+ preg_match('/^(-{0,1}\d{2})(\d{2})(\d{2})/', $date, $datematch);
+ }
+ $tmpdate = $date;
+ if (!empty($datematch)) {
+ $dateMatchCharCount = iconv_strlen($datematch[0], 'UTF-8');
+ $tmpdate = iconv_substr($date,
+ $dateMatchCharCount,
+ iconv_strlen($date, 'UTF-8') - $dateMatchCharCount,
+ 'UTF-8');
+ }
+ // (T)hh:mm:ss
+ preg_match('/[T,\s]{0,1}(\d{2}):(\d{2}):(\d{2})/', $tmpdate, $timematch);
+ if (empty($timematch)) {
+ preg_match('/[T,\s]{0,1}(\d{2})(\d{2})(\d{2})/', $tmpdate, $timematch);
+ }
+ if (empty($datematch) and empty($timematch)) {
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception("unsupported ISO8601 format ($date)", 0, null, $date);
+ }
+ if (!empty($timematch)) {
+ $timeMatchCharCount = iconv_strlen($timematch[0], 'UTF-8');
+ $tmpdate = iconv_substr($tmpdate,
+ $timeMatchCharCount,
+ iconv_strlen($tmpdate, 'UTF-8') - $timeMatchCharCount,
+ 'UTF-8');
+ }
+ if (empty($datematch)) {
+ $datematch[1] = 1970;
+ $datematch[2] = 1;
+ $datematch[3] = 1;
+ } else if (iconv_strlen($datematch[1], 'UTF-8') == 2) {
+ $datematch[1] = self::getFullYear($datematch[1]);
+ }
+ if (empty($timematch)) {
+ $timematch[1] = 0;
+ $timematch[2] = 0;
+ $timematch[3] = 0;
+ }
+
+ if (($calc == 'set') || ($calc == 'cmp')) {
+ --$datematch[2];
+ --$month;
+ --$datematch[3];
+ --$day;
+ $datematch[1] -= 1970;
+ $year -= 1970;
+ }
+ return $this->_assign($calc, $this->mktime($timematch[1], $timematch[2], $timematch[3], 1 + $datematch[2], 1 + $datematch[3], 1970 + $datematch[1], false),
+ $this->mktime($hour, $minute, $second, 1 + $month, 1 + $day, 1970 + $year, false), false);
+ break;
+
+ case self::RFC_2822:
+ $result = preg_match('/^\w{3},\s(\d{1,2})\s(\w{3})\s(\d{4})\s(\d{2}):(\d{2}):{0,1}(\d{0,2})\s([+-]{1}\d{4})$/', $date, $match);
+ if (!$result) {
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception("no RFC 2822 format ($date)", 0, null, $date);
+ }
+
+ $months = $this->_getDigitFromName($match[2]);
+
+ if (($calc == 'set') || ($calc == 'cmp')) {
+ --$months;
+ --$month;
+ --$match[1];
+ --$day;
+ $match[3] -= 1970;
+ $year -= 1970;
+ }
+ return $this->_assign($calc, $this->mktime($match[4], $match[5], $match[6], 1 + $months, 1 + $match[1], 1970 + $match[3], false),
+ $this->mktime($hour, $minute, $second, 1 + $month, 1 + $day, 1970 + $year, false), false);
+ break;
+
+ case self::TIMESTAMP:
+ if (is_numeric($date)) {
+ return $this->_assign($calc, $date, $this->getUnixTimestamp());
+ }
+
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception("invalid date ($date) operand, timestamp expected", 0, null, $date);
+ break;
+
+ // additional formats
+ // break intentionally omitted
+ case self::ERA:
+ case self::ERA_NAME:
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception('era not supported', 0, null, $date);
+ break;
+
+ case self::DATES:
+ try {
+ $parsed = Zend_Locale_Format::getDate($date, array('locale' => $locale, 'format_type' => 'iso', 'fix_date' => true));
+
+ if (($calc == 'set') || ($calc == 'cmp')) {
+ --$parsed['month'];
+ --$month;
+ --$parsed['day'];
+ --$day;
+ $parsed['year'] -= 1970;
+ $year -= 1970;
+ }
+
+ return $this->_assign($calc, $this->mktime(0, 0, 0, 1 + $parsed['month'], 1 + $parsed['day'], 1970 + $parsed['year'], true),
+ $this->mktime(0, 0, 0, 1 + $month, 1 + $day, 1970 + $year, true), $hour);
+ } catch (Zend_Locale_Exception $e) {
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception($e->getMessage(), 0, $e, $date);
+ }
+ break;
+
+ case self::DATE_FULL:
+ try {
+ $format = Zend_Locale_Data::getContent($locale, 'date', array('gregorian', 'full'));
+ $parsed = Zend_Locale_Format::getDate($date, array('date_format' => $format, 'format_type' => 'iso', 'locale' => $locale));
+
+ if (($calc == 'set') || ($calc == 'cmp')) {
+ --$parsed['month'];
+ --$month;
+ --$parsed['day'];
+ --$day;
+ $parsed['year'] -= 1970;
+ $year -= 1970;
+ }
+ return $this->_assign($calc, $this->mktime(0, 0, 0, 1 + $parsed['month'], 1 + $parsed['day'], 1970 + $parsed['year'], true),
+ $this->mktime(0, 0, 0, 1 + $month, 1 + $day, 1970 + $year, true), $hour);
+ } catch (Zend_Locale_Exception $e) {
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception($e->getMessage(), 0, $e, $date);
+ }
+ break;
+
+ case self::DATE_LONG:
+ try {
+ $format = Zend_Locale_Data::getContent($locale, 'date', array('gregorian', 'long'));
+ $parsed = Zend_Locale_Format::getDate($date, array('date_format' => $format, 'format_type' => 'iso', 'locale' => $locale));
+
+ if (($calc == 'set') || ($calc == 'cmp')){
+ --$parsed['month'];
+ --$month;
+ --$parsed['day'];
+ --$day;
+ $parsed['year'] -= 1970;
+ $year -= 1970;
+ }
+ return $this->_assign($calc, $this->mktime(0, 0, 0, 1 + $parsed['month'], 1 + $parsed['day'], 1970 + $parsed['year'], true),
+ $this->mktime(0, 0, 0, 1 + $month, 1 + $day, 1970 + $year, true), $hour);
+ } catch (Zend_Locale_Exception $e) {
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception($e->getMessage(), 0, $e, $date);
+ }
+ break;
+
+ case self::DATE_MEDIUM:
+ try {
+ $format = Zend_Locale_Data::getContent($locale, 'date', array('gregorian', 'medium'));
+ $parsed = Zend_Locale_Format::getDate($date, array('date_format' => $format, 'format_type' => 'iso', 'locale' => $locale));
+
+ if (($calc == 'set') || ($calc == 'cmp')) {
+ --$parsed['month'];
+ --$month;
+ --$parsed['day'];
+ --$day;
+ $parsed['year'] -= 1970;
+ $year -= 1970;
+ }
+ return $this->_assign($calc, $this->mktime(0, 0, 0, 1 + $parsed['month'], 1 + $parsed['day'], 1970 + $parsed['year'], true),
+ $this->mktime(0, 0, 0, 1 + $month, 1 + $day, 1970 + $year, true), $hour);
+ } catch (Zend_Locale_Exception $e) {
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception($e->getMessage(), 0, $e, $date);
+ }
+ break;
+
+ case self::DATE_SHORT:
+ try {
+ $format = Zend_Locale_Data::getContent($locale, 'date', array('gregorian', 'short'));
+ $parsed = Zend_Locale_Format::getDate($date, array('date_format' => $format, 'format_type' => 'iso', 'locale' => $locale));
+
+ $parsed['year'] = self::getFullYear($parsed['year']);
+
+ if (($calc == 'set') || ($calc == 'cmp')) {
+ --$parsed['month'];
+ --$month;
+ --$parsed['day'];
+ --$day;
+ $parsed['year'] -= 1970;
+ $year -= 1970;
+ }
+ return $this->_assign($calc, $this->mktime(0, 0, 0, 1 + $parsed['month'], 1 + $parsed['day'], 1970 + $parsed['year'], true),
+ $this->mktime(0, 0, 0, 1 + $month, 1 + $day, 1970 + $year, true), $hour);
+ } catch (Zend_Locale_Exception $e) {
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception($e->getMessage(), 0, $e, $date);
+ }
+ break;
+
+ case self::TIMES:
+ try {
+ if ($calc != 'set') {
+ $month = 1;
+ $day = 1;
+ $year = 1970;
+ }
+ $parsed = Zend_Locale_Format::getTime($date, array('locale' => $locale, 'format_type' => 'iso', 'fix_date' => true));
+ return $this->_assign($calc, $this->mktime($parsed['hour'], $parsed['minute'], $parsed['second'], $month, $day, $year, true),
+ $this->mktime($hour, $minute, $second, $month, $day, $year, true), false);
+ } catch (Zend_Locale_Exception $e) {
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception($e->getMessage(), 0, $e, $date);
+ }
+ break;
+
+ case self::TIME_FULL:
+ try {
+ $format = Zend_Locale_Data::getContent($locale, 'time', array('gregorian', 'full'));
+ $parsed = Zend_Locale_Format::getTime($date, array('date_format' => $format, 'format_type' => 'iso', 'locale' => $locale));
+ if ($calc != 'set') {
+ $month = 1;
+ $day = 1;
+ $year = 1970;
+ }
+
+ if (!isset($parsed['second'])) {
+ $parsed['second'] = 0;
+ }
+
+ return $this->_assign($calc, $this->mktime($parsed['hour'], $parsed['minute'], $parsed['second'], $month, $day, $year, true),
+ $this->mktime($hour, $minute, $second, $month, $day, $year, true), false);
+ } catch (Zend_Locale_Exception $e) {
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception($e->getMessage(), 0, $e, $date);
+ }
+ break;
+
+ case self::TIME_LONG:
+ try {
+ $format = Zend_Locale_Data::getContent($locale, 'time', array('gregorian', 'long'));
+ $parsed = Zend_Locale_Format::getTime($date, array('date_format' => $format, 'format_type' => 'iso', 'locale' => $locale));
+ if ($calc != 'set') {
+ $month = 1;
+ $day = 1;
+ $year = 1970;
+ }
+ return $this->_assign($calc, $this->mktime($parsed['hour'], $parsed['minute'], $parsed['second'], $month, $day, $year, true),
+ $this->mktime($hour, $minute, $second, $month, $day, $year, true), false);
+ } catch (Zend_Locale_Exception $e) {
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception($e->getMessage(), 0, $e, $date);
+ }
+ break;
+
+ case self::TIME_MEDIUM:
+ try {
+ $format = Zend_Locale_Data::getContent($locale, 'time', array('gregorian', 'medium'));
+ $parsed = Zend_Locale_Format::getTime($date, array('date_format' => $format, 'format_type' => 'iso', 'locale' => $locale));
+ if ($calc != 'set') {
+ $month = 1;
+ $day = 1;
+ $year = 1970;
+ }
+ return $this->_assign($calc, $this->mktime($parsed['hour'], $parsed['minute'], $parsed['second'], $month, $day, $year, true),
+ $this->mktime($hour, $minute, $second, $month, $day, $year, true), false);
+ } catch (Zend_Locale_Exception $e) {
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception($e->getMessage(), 0, $e, $date);
+ }
+ break;
+
+ case self::TIME_SHORT:
+ try {
+ $format = Zend_Locale_Data::getContent($locale, 'time', array('gregorian', 'short'));
+ $parsed = Zend_Locale_Format::getTime($date, array('date_format' => $format, 'format_type' => 'iso', 'locale' => $locale));
+ if ($calc != 'set') {
+ $month = 1;
+ $day = 1;
+ $year = 1970;
+ }
+
+ if (!isset($parsed['second'])) {
+ $parsed['second'] = 0;
+ }
+
+ return $this->_assign($calc, $this->mktime($parsed['hour'], $parsed['minute'], $parsed['second'], $month, $day, $year, true),
+ $this->mktime($hour, $minute, $second, $month, $day, $year, true), false);
+ } catch (Zend_Locale_Exception $e) {
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception($e->getMessage(), 0, $e, $date);
+ }
+ break;
+
+ case self::DATETIME:
+ try {
+ $parsed = Zend_Locale_Format::getDateTime($date, array('locale' => $locale, 'format_type' => 'iso', 'fix_date' => true));
+ if (($calc == 'set') || ($calc == 'cmp')) {
+ --$parsed['month'];
+ --$month;
+ --$parsed['day'];
+ --$day;
+ $parsed['year'] -= 1970;
+ $year -= 1970;
+ }
+ return $this->_assign($calc, $this->mktime($parsed['hour'], $parsed['minute'], $parsed['second'], 1 + $parsed['month'], 1 + $parsed['day'], 1970 + $parsed['year'], true),
+ $this->mktime($hour, $minute, $second, 1 + $month, 1 + $day, 1970 + $year, true), $hour);
+ } catch (Zend_Locale_Exception $e) {
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception($e->getMessage(), 0, $e, $date);
+ }
+ break;
+
+ case self::DATETIME_FULL:
+ try {
+ $format = Zend_Locale_Data::getContent($locale, 'datetime', array('gregorian', 'full'));
+ $parsed = Zend_Locale_Format::getDateTime($date, array('date_format' => $format, 'format_type' => 'iso', 'locale' => $locale));
+
+ if (($calc == 'set') || ($calc == 'cmp')) {
+ --$parsed['month'];
+ --$month;
+ --$parsed['day'];
+ --$day;
+ $parsed['year'] -= 1970;
+ $year -= 1970;
+ }
+
+ if (!isset($parsed['second'])) {
+ $parsed['second'] = 0;
+ }
+
+ return $this->_assign($calc, $this->mktime($parsed['hour'], $parsed['minute'], $parsed['second'], 1 + $parsed['month'], 1 + $parsed['day'], 1970 + $parsed['year'], true),
+ $this->mktime($hour, $minute, $second, 1 + $month, 1 + $day, 1970 + $year, true), $hour);
+ } catch (Zend_Locale_Exception $e) {
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception($e->getMessage(), 0, $e, $date);
+ }
+ break;
+
+ case self::DATETIME_LONG:
+ try {
+ $format = Zend_Locale_Data::getContent($locale, 'datetime', array('gregorian', 'long'));
+ $parsed = Zend_Locale_Format::getDateTime($date, array('date_format' => $format, 'format_type' => 'iso', 'locale' => $locale));
+
+ if (($calc == 'set') || ($calc == 'cmp')){
+ --$parsed['month'];
+ --$month;
+ --$parsed['day'];
+ --$day;
+ $parsed['year'] -= 1970;
+ $year -= 1970;
+ }
+ return $this->_assign($calc, $this->mktime($parsed['hour'], $parsed['minute'], $parsed['second'], 1 + $parsed['month'], 1 + $parsed['day'], 1970 + $parsed['year'], true),
+ $this->mktime($hour, $minute, $second, 1 + $month, 1 + $day, 1970 + $year, true), $hour);
+ } catch (Zend_Locale_Exception $e) {
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception($e->getMessage(), 0, $e, $date);
+ }
+ break;
+
+ case self::DATETIME_MEDIUM:
+ try {
+ $format = Zend_Locale_Data::getContent($locale, 'datetime', array('gregorian', 'medium'));
+ $parsed = Zend_Locale_Format::getDateTime($date, array('date_format' => $format, 'format_type' => 'iso', 'locale' => $locale));
+ if (($calc == 'set') || ($calc == 'cmp')) {
+ --$parsed['month'];
+ --$month;
+ --$parsed['day'];
+ --$day;
+ $parsed['year'] -= 1970;
+ $year -= 1970;
+ }
+ return $this->_assign($calc, $this->mktime($parsed['hour'], $parsed['minute'], $parsed['second'], 1 + $parsed['month'], 1 + $parsed['day'], 1970 + $parsed['year'], true),
+ $this->mktime($hour, $minute, $second, 1 + $month, 1 + $day, 1970 + $year, true), $hour);
+ } catch (Zend_Locale_Exception $e) {
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception($e->getMessage(), 0, $e, $date);
+ }
+ break;
+
+ case self::DATETIME_SHORT:
+ try {
+ $format = Zend_Locale_Data::getContent($locale, 'datetime', array('gregorian', 'short'));
+ $parsed = Zend_Locale_Format::getDateTime($date, array('date_format' => $format, 'format_type' => 'iso', 'locale' => $locale));
+
+ $parsed['year'] = self::getFullYear($parsed['year']);
+
+ if (($calc == 'set') || ($calc == 'cmp')) {
+ --$parsed['month'];
+ --$month;
+ --$parsed['day'];
+ --$day;
+ $parsed['year'] -= 1970;
+ $year -= 1970;
+ }
+
+ if (!isset($parsed['second'])) {
+ $parsed['second'] = 0;
+ }
+
+ return $this->_assign($calc, $this->mktime($parsed['hour'], $parsed['minute'], $parsed['second'], 1 + $parsed['month'], 1 + $parsed['day'], 1970 + $parsed['year'], true),
+ $this->mktime($hour, $minute, $second, 1 + $month, 1 + $day, 1970 + $year, true), $hour);
+ } catch (Zend_Locale_Exception $e) {
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception($e->getMessage(), 0, $e, $date);
+ }
+ break;
+
+ // ATOM and RFC_3339 are identical
+ case self::ATOM:
+ case self::RFC_3339:
+ $result = preg_match('/^(\d{4})-(\d{2})-(\d{2})T(\d{2}):(\d{2}):(\d{2})\d{0,4}([+-]{1}\d{2}:\d{2}|Z)$/', $date, $match);
+ if (!$result) {
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception("invalid date ($date) operand, ATOM format expected", 0, null, $date);
+ }
+
+ if (($calc == 'set') || ($calc == 'cmp')) {
+ --$match[2];
+ --$month;
+ --$match[3];
+ --$day;
+ $match[1] -= 1970;
+ $year -= 1970;
+ }
+ return $this->_assign($calc, $this->mktime($match[4], $match[5], $match[6], 1 + $match[2], 1 + $match[3], 1970 + $match[1], true),
+ $this->mktime($hour, $minute, $second, 1 + $month, 1 + $day, 1970 + $year, true), false);
+ break;
+
+ case self::COOKIE:
+ $result = preg_match("/^\w{6,9},\s(\d{2})-(\w{3})-(\d{2})\s(\d{2}):(\d{2}):(\d{2})\s.{3,20}$/", $date, $match);
+ if (!$result) {
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception("invalid date ($date) operand, COOKIE format expected", 0, null, $date);
+ }
+ $matchStartPos = iconv_strpos($match[0], ' ', 0, 'UTF-8') + 1;
+ $match[0] = iconv_substr($match[0],
+ $matchStartPos,
+ iconv_strlen($match[0], 'UTF-8') - $matchStartPos,
+ 'UTF-8');
+
+ $months = $this->_getDigitFromName($match[2]);
+ $match[3] = self::getFullYear($match[3]);
+
+ if (($calc == 'set') || ($calc == 'cmp')) {
+ --$months;
+ --$month;
+ --$match[1];
+ --$day;
+ $match[3] -= 1970;
+ $year -= 1970;
+ }
+ return $this->_assign($calc, $this->mktime($match[4], $match[5], $match[6], 1 + $months, 1 + $match[1], 1970 + $match[3], true),
+ $this->mktime($hour, $minute, $second, 1 + $month, 1 + $day, 1970 + $year, true), false);
+ break;
+
+ case self::RFC_822:
+ case self::RFC_1036:
+ // new RFC 822 format, identical to RFC 1036 standard
+ $result = preg_match('/^\w{0,3},{0,1}\s{0,1}(\d{1,2})\s(\w{3})\s(\d{2})\s(\d{2}):(\d{2}):{0,1}(\d{0,2})\s([+-]{1}\d{4}|\w{1,20})$/', $date, $match);
+ if (!$result) {
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception("invalid date ($date) operand, RFC 822 date format expected", 0, null, $date);
+ }
+
+ $months = $this->_getDigitFromName($match[2]);
+ $match[3] = self::getFullYear($match[3]);
+
+ if (($calc == 'set') || ($calc == 'cmp')) {
+ --$months;
+ --$month;
+ --$match[1];
+ --$day;
+ $match[3] -= 1970;
+ $year -= 1970;
+ }
+ return $this->_assign($calc, $this->mktime($match[4], $match[5], $match[6], 1 + $months, 1 + $match[1], 1970 + $match[3], false),
+ $this->mktime($hour, $minute, $second, 1 + $month, 1 + $day, 1970 + $year, false), false);
+ break;
+
+ case self::RFC_850:
+ $result = preg_match('/^\w{6,9},\s(\d{2})-(\w{3})-(\d{2})\s(\d{2}):(\d{2}):(\d{2})\s.{3,21}$/', $date, $match);
+ if (!$result) {
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception("invalid date ($date) operand, RFC 850 date format expected", 0, null, $date);
+ }
+
+ $months = $this->_getDigitFromName($match[2]);
+ $match[3] = self::getFullYear($match[3]);
+
+ if (($calc == 'set') || ($calc == 'cmp')) {
+ --$months;
+ --$month;
+ --$match[1];
+ --$day;
+ $match[3] -= 1970;
+ $year -= 1970;
+ }
+ return $this->_assign($calc, $this->mktime($match[4], $match[5], $match[6], 1 + $months, 1 + $match[1], 1970 + $match[3], true),
+ $this->mktime($hour, $minute, $second, 1 + $month, 1 + $day, 1970 + $year, true), false);
+ break;
+
+ case self::RFC_1123:
+ $result = preg_match('/^\w{0,3},{0,1}\s{0,1}(\d{1,2})\s(\w{3})\s(\d{2,4})\s(\d{2}):(\d{2}):{0,1}(\d{0,2})\s([+-]{1}\d{4}|\w{1,20})$/', $date, $match);
+ if (!$result) {
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception("invalid date ($date) operand, RFC 1123 date format expected", 0, null, $date);
+ }
+
+ $months = $this->_getDigitFromName($match[2]);
+
+ if (($calc == 'set') || ($calc == 'cmp')) {
+ --$months;
+ --$month;
+ --$match[1];
+ --$day;
+ $match[3] -= 1970;
+ $year -= 1970;
+ }
+ return $this->_assign($calc, $this->mktime($match[4], $match[5], $match[6], 1 + $months, 1 + $match[1], 1970 + $match[3], true),
+ $this->mktime($hour, $minute, $second, 1 + $month, 1 + $day, 1970 + $year, true), false);
+ break;
+
+ case self::RSS:
+ $result = preg_match('/^\w{3},\s(\d{2})\s(\w{3})\s(\d{2,4})\s(\d{1,2}):(\d{2}):(\d{2})\s.{1,21}$/', $date, $match);
+ if (!$result) {
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception("invalid date ($date) operand, RSS date format expected", 0, null, $date);
+ }
+
+ $months = $this->_getDigitFromName($match[2]);
+ $match[3] = self::getFullYear($match[3]);
+
+ if (($calc == 'set') || ($calc == 'cmp')) {
+ --$months;
+ --$month;
+ --$match[1];
+ --$day;
+ $match[3] -= 1970;
+ $year -= 1970;
+ }
+ return $this->_assign($calc, $this->mktime($match[4], $match[5], $match[6], 1 + $months, 1 + $match[1], 1970 + $match[3], true),
+ $this->mktime($hour, $minute, $second, 1 + $month, 1 + $day, 1970 + $year, true), false);
+ break;
+
+ case self::W3C:
+ $result = preg_match('/^(\d{4})-(\d{2})-(\d{2})T(\d{2}):(\d{2}):(\d{2})[+-]{1}\d{2}:\d{2}$/', $date, $match);
+ if (!$result) {
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception("invalid date ($date) operand, W3C date format expected", 0, null, $date);
+ }
+
+ if (($calc == 'set') || ($calc == 'cmp')) {
+ --$match[2];
+ --$month;
+ --$match[3];
+ --$day;
+ $match[1] -= 1970;
+ $year -= 1970;
+ }
+ return $this->_assign($calc, $this->mktime($match[4], $match[5], $match[6], 1 + $match[2], 1 + $match[3], 1970 + $match[1], true),
+ $this->mktime($hour, $minute, $second, 1 + $month, 1 + $day, 1970 + $year, true), false);
+ break;
+
+ default:
+ if (!is_numeric($date) || !empty($part)) {
+ try {
+ if (empty($part)) {
+ $part = Zend_Locale_Format::getDateFormat($locale) . " ";
+ $part .= Zend_Locale_Format::getTimeFormat($locale);
+ }
+
+ $parsed = Zend_Locale_Format::getDate($date, array('date_format' => $part, 'locale' => $locale, 'fix_date' => true, 'format_type' => 'iso'));
+ if ((strpos(strtoupper($part), 'YY') !== false) and (strpos(strtoupper($part), 'YYYY') === false)) {
+ $parsed['year'] = self::getFullYear($parsed['year']);
+ }
+
+ if (($calc == 'set') || ($calc == 'cmp')) {
+ if (isset($parsed['month'])) {
+ --$parsed['month'];
+ } else {
+ $parsed['month'] = 0;
+ }
+
+ if (isset($parsed['day'])) {
+ --$parsed['day'];
+ } else {
+ $parsed['day'] = 0;
+ }
+
+ if (isset($parsed['year'])) {
+ $parsed['year'] -= 1970;
+ } else {
+ $parsed['year'] = 0;
+ }
+ }
+
+ return $this->_assign($calc, $this->mktime(
+ isset($parsed['hour']) ? $parsed['hour'] : 0,
+ isset($parsed['minute']) ? $parsed['minute'] : 0,
+ isset($parsed['second']) ? $parsed['second'] : 0,
+ isset($parsed['month']) ? (1 + $parsed['month']) : 1,
+ isset($parsed['day']) ? (1 + $parsed['day']) : 1,
+ isset($parsed['year']) ? (1970 + $parsed['year']) : 1970,
+ false), $this->getUnixTimestamp(), false);
+ } catch (Zend_Locale_Exception $e) {
+ if (!is_numeric($date)) {
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception($e->getMessage(), 0, $e, $date);
+ }
+ }
+ }
+
+ return $this->_assign($calc, $date, $this->getUnixTimestamp(), false);
+ break;
+ }
+ }
+
+ /**
+ * Returns true when both date objects or date parts are equal.
+ * For example:
+ * 15.May.2000 <-> 15.June.2000 Equals only for Day or Year... all other will return false
+ *
+ * @param string|integer|array|Zend_Date $date Date or datepart to equal with
+ * @param string $part OPTIONAL Part of the date to compare, if null the timestamp is used
+ * @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
+ * @return boolean
+ * @throws Zend_Date_Exception
+ */
+ public function equals($date, $part = self::TIMESTAMP, $locale = null)
+ {
+ $result = $this->compare($date, $part, $locale);
+
+ if ($result == 0) {
+ return true;
+ }
+
+ return false;
+ }
+
+ /**
+ * Returns if the given date or datepart is earlier
+ * For example:
+ * 15.May.2000 <-> 13.June.1999 will return true for day, year and date, but not for month
+ *
+ * @param string|integer|array|Zend_Date $date Date or datepart to compare with
+ * @param string $part OPTIONAL Part of the date to compare, if null the timestamp is used
+ * @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
+ * @return boolean
+ * @throws Zend_Date_Exception
+ */
+ public function isEarlier($date, $part = null, $locale = null)
+ {
+ $result = $this->compare($date, $part, $locale);
+
+ if ($result == -1) {
+ return true;
+ }
+
+ return false;
+ }
+
+ /**
+ * Returns if the given date or datepart is later
+ * For example:
+ * 15.May.2000 <-> 13.June.1999 will return true for month but false for day, year and date
+ * Returns if the given date is later
+ *
+ * @param string|integer|array|Zend_Date $date Date or datepart to compare with
+ * @param string $part OPTIONAL Part of the date to compare, if null the timestamp is used
+ * @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
+ * @return boolean
+ * @throws Zend_Date_Exception
+ */
+ public function isLater($date, $part = null, $locale = null)
+ {
+ $result = $this->compare($date, $part, $locale);
+
+ if ($result == 1) {
+ return true;
+ }
+
+ return false;
+ }
+
+ /**
+ * Returns only the time of the date as new Zend_Date object
+ * For example:
+ * 15.May.2000 10:11:23 will return a dateobject equal to 01.Jan.1970 10:11:23
+ *
+ * @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
+ * @return Zend_Date
+ */
+ public function getTime($locale = null)
+ {
+ if (self::$_options['format_type'] == 'php') {
+ $format = 'H:i:s';
+ } else {
+ $format = self::TIME_MEDIUM;
+ }
+
+ return $this->copyPart($format, $locale);
+ }
+
+ /**
+ * Returns the calculated time
+ *
+ * @param string $calc Calculation to make
+ * @param string|integer|array|Zend_Date $time Time to calculate with, if null the actual time is taken
+ * @param string $format Timeformat for parsing input
+ * @param string|Zend_Locale $locale Locale for parsing input
+ * @return integer|Zend_Date new time
+ * @throws Zend_Date_Exception
+ */
+ private function _time($calc, $time, $format, $locale)
+ {
+ if ($time === null) {
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception('parameter $time must be set, null is not allowed');
+ }
+
+ if ($time instanceof Zend_Date) {
+ // extract time from object
+ $time = $time->toString('HH:mm:ss', 'iso');
+ } else {
+ if (is_array($time)) {
+ if ((isset($time['hour']) === true) or (isset($time['minute']) === true) or
+ (isset($time['second']) === true)) {
+ $parsed = $time;
+ } else {
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception("no hour, minute or second given in array");
+ }
+ } else {
+ if (self::$_options['format_type'] == 'php') {
+ $format = Zend_Locale_Format::convertPhpToIsoFormat($format);
+ }
+ try {
+ if ($locale === null) {
+ $locale = $this->getLocale();
+ }
+
+ $parsed = Zend_Locale_Format::getTime($time, array('date_format' => $format, 'locale' => $locale, 'format_type' => 'iso'));
+ } catch (Zend_Locale_Exception $e) {
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception($e->getMessage(), 0, $e);
+ }
+ }
+
+ if (!array_key_exists('hour', $parsed)) {
+ $parsed['hour'] = 0;
+ }
+
+ if (!array_key_exists('minute', $parsed)) {
+ $parsed['minute'] = 0;
+ }
+
+ if (!array_key_exists('second', $parsed)) {
+ $parsed['second'] = 0;
+ }
+
+ $time = str_pad($parsed['hour'], 2, '0', STR_PAD_LEFT) . ":";
+ $time .= str_pad($parsed['minute'], 2, '0', STR_PAD_LEFT) . ":";
+ $time .= str_pad($parsed['second'], 2, '0', STR_PAD_LEFT);
+ }
+
+ $return = $this->_calcdetail($calc, $time, self::TIMES, 'de');
+ if ($calc != 'cmp') {
+ return $this;
+ }
+
+ return $return;
+ }
+
+
+ /**
+ * Sets a new time for the date object. Format defines how to parse the time string.
+ * Also a complete date can be given, but only the time is used for setting.
+ * For example: dd.MMMM.yyTHH:mm' and 'ss sec'-> 10.May.07T25:11 and 44 sec => 1h11min44sec + 1 day
+ * Returned is the new date object and the existing date is left as it was before
+ *
+ * @param string|integer|array|Zend_Date $time Time to set
+ * @param string $format OPTIONAL Timeformat for parsing input
+ * @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
+ * @return Zend_Date Provides fluid interface
+ * @throws Zend_Date_Exception
+ */
+ public function setTime($time, $format = null, $locale = null)
+ {
+ return $this->_time('set', $time, $format, $locale);
+ }
+
+
+ /**
+ * Adds a time to the existing date. Format defines how to parse the time string.
+ * If only parts are given the other parts are set to 0.
+ * If no format is given, the standardformat of this locale is used.
+ * For example: HH:mm:ss -> 10 -> +10 hours
+ *
+ * @param string|integer|array|Zend_Date $time Time to add
+ * @param string $format OPTIONAL Timeformat for parsing input
+ * @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
+ * @return Zend_Date Provides fluid interface
+ * @throws Zend_Date_Exception
+ */
+ public function addTime($time, $format = null, $locale = null)
+ {
+ return $this->_time('add', $time, $format, $locale);
+ }
+
+
+ /**
+ * Subtracts a time from the existing date. Format defines how to parse the time string.
+ * If only parts are given the other parts are set to 0.
+ * If no format is given, the standardformat of this locale is used.
+ * For example: HH:mm:ss -> 10 -> -10 hours
+ *
+ * @param string|integer|array|Zend_Date $time Time to sub
+ * @param string $format OPTIONAL Timeformat for parsing input
+ * @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
+ * @return Zend_Date Provides fluid inteface
+ * @throws Zend_Date_Exception
+ */
+ public function subTime($time, $format = null, $locale = null)
+ {
+ return $this->_time('sub', $time, $format, $locale);
+ }
+
+
+ /**
+ * Compares the time from the existing date. Format defines how to parse the time string.
+ * If only parts are given the other parts are set to default.
+ * If no format us given, the standardformat of this locale is used.
+ * For example: HH:mm:ss -> 10 -> 10 hours
+ *
+ * @param string|integer|array|Zend_Date $time Time to compare
+ * @param string $format OPTIONAL Timeformat for parsing input
+ * @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
+ * @return integer 0 = equal, 1 = later, -1 = earlier
+ * @throws Zend_Date_Exception
+ */
+ public function compareTime($time, $format = null, $locale = null)
+ {
+ return $this->_time('cmp', $time, $format, $locale);
+ }
+
+ /**
+ * Returns a clone of $this, with the time part set to 00:00:00.
+ *
+ * @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
+ * @return Zend_Date
+ */
+ public function getDate($locale = null)
+ {
+ $orig = self::$_options['format_type'];
+ if (self::$_options['format_type'] == 'php') {
+ self::$_options['format_type'] = 'iso';
+ }
+
+ $date = $this->copyPart(self::DATE_MEDIUM, $locale);
+ $date->addTimestamp($this->getGmtOffset());
+ self::$_options['format_type'] = $orig;
+
+ return $date;
+ }
+
+ /**
+ * Returns the calculated date
+ *
+ * @param string $calc Calculation to make
+ * @param string|integer|array|Zend_Date $date Date to calculate with, if null the actual date is taken
+ * @param string $format Date format for parsing
+ * @param string|Zend_Locale $locale Locale for parsing input
+ * @return integer|Zend_Date new date
+ * @throws Zend_Date_Exception
+ */
+ private function _date($calc, $date, $format, $locale)
+ {
+ if ($date === null) {
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception('parameter $date must be set, null is not allowed');
+ }
+
+ if ($date instanceof Zend_Date) {
+ // extract date from object
+ $date = $date->toString('d.M.y', 'iso');
+ } else {
+ if (is_array($date)) {
+ if ((isset($date['year']) === true) or (isset($date['month']) === true) or
+ (isset($date['day']) === true)) {
+ $parsed = $date;
+ } else {
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception("no day,month or year given in array");
+ }
+ } else {
+ if ((self::$_options['format_type'] == 'php') && !defined($format)) {
+ $format = Zend_Locale_Format::convertPhpToIsoFormat($format);
+ }
+ try {
+ if ($locale === null) {
+ $locale = $this->getLocale();
+ }
+
+ $parsed = Zend_Locale_Format::getDate($date, array('date_format' => $format, 'locale' => $locale, 'format_type' => 'iso'));
+ if ((strpos(strtoupper($format), 'YY') !== false) and (strpos(strtoupper($format), 'YYYY') === false)) {
+ $parsed['year'] = self::getFullYear($parsed['year']);
+ }
+ } catch (Zend_Locale_Exception $e) {
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception($e->getMessage(), 0, $e);
+ }
+ }
+
+ if (!array_key_exists('day', $parsed)) {
+ $parsed['day'] = 1;
+ }
+
+ if (!array_key_exists('month', $parsed)) {
+ $parsed['month'] = 1;
+ }
+
+ if (!array_key_exists('year', $parsed)) {
+ $parsed['year'] = 0;
+ }
+
+ $date = $parsed['day'] . "." . $parsed['month'] . "." . $parsed['year'];
+ }
+
+ $return = $this->_calcdetail($calc, $date, self::DATE_MEDIUM, 'de');
+ if ($calc != 'cmp') {
+ return $this;
+ }
+ return $return;
+ }
+
+
+ /**
+ * Sets a new date for the date object. Format defines how to parse the date string.
+ * Also a complete date with time can be given, but only the date is used for setting.
+ * For example: MMMM.yy HH:mm-> May.07 22:11 => 01.May.07 00:00
+ * Returned is the new date object and the existing time is left as it was before
+ *
+ * @param string|integer|array|Zend_Date $date Date to set
+ * @param string $format OPTIONAL Date format for parsing
+ * @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
+ * @return Zend_Date Provides fluid interface
+ * @throws Zend_Date_Exception
+ */
+ public function setDate($date, $format = null, $locale = null)
+ {
+ return $this->_date('set', $date, $format, $locale);
+ }
+
+
+ /**
+ * Adds a date to the existing date object. Format defines how to parse the date string.
+ * If only parts are given the other parts are set to 0.
+ * If no format is given, the standardformat of this locale is used.
+ * For example: MM.dd.YYYY -> 10 -> +10 months
+ *
+ * @param string|integer|array|Zend_Date $date Date to add
+ * @param string $format OPTIONAL Date format for parsing input
+ * @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
+ * @return Zend_Date Provides fluid interface
+ * @throws Zend_Date_Exception
+ */
+ public function addDate($date, $format = null, $locale = null)
+ {
+ return $this->_date('add', $date, $format, $locale);
+ }
+
+
+ /**
+ * Subtracts a date from the existing date object. Format defines how to parse the date string.
+ * If only parts are given the other parts are set to 0.
+ * If no format is given, the standardformat of this locale is used.
+ * For example: MM.dd.YYYY -> 10 -> -10 months
+ * Be aware: Subtracting 2 months is not equal to Adding -2 months !!!
+ *
+ * @param string|integer|array|Zend_Date $date Date to sub
+ * @param string $format OPTIONAL Date format for parsing input
+ * @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
+ * @return Zend_Date Provides fluid interface
+ * @throws Zend_Date_Exception
+ */
+ public function subDate($date, $format = null, $locale = null)
+ {
+ return $this->_date('sub', $date, $format, $locale);
+ }
+
+
+ /**
+ * Compares the date from the existing date object, ignoring the time.
+ * Format defines how to parse the date string.
+ * If only parts are given the other parts are set to 0.
+ * If no format is given, the standardformat of this locale is used.
+ * For example: 10.01.2000 => 10.02.1999 -> false
+ *
+ * @param string|integer|array|Zend_Date $date Date to compare
+ * @param string $format OPTIONAL Date format for parsing input
+ * @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
+ * @return integer 0 = equal, 1 = later, -1 = earlier
+ * @throws Zend_Date_Exception
+ */
+ public function compareDate($date, $format = null, $locale = null)
+ {
+ return $this->_date('cmp', $date, $format, $locale);
+ }
+
+
+ /**
+ * Returns the full ISO 8601 date from the date object.
+ * Always the complete ISO 8601 specifiction is used. If an other ISO date is needed
+ * (ISO 8601 defines several formats) use toString() instead.
+ * This function does not return the ISO date as object. Use copy() instead.
+ *
+ * @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
+ * @return string
+ */
+ public function getIso($locale = null)
+ {
+ return $this->toString(self::ISO_8601, 'iso', $locale);
+ }
+
+
+ /**
+ * Sets a new date for the date object. Not given parts are set to default.
+ * Only supported ISO 8601 formats are accepted.
+ * For example: 050901 -> 01.Sept.2005 00:00:00, 20050201T10:00:30 -> 01.Feb.2005 10h00m30s
+ * Returned is the new date object
+ *
+ * @param string|integer|Zend_Date $date ISO Date to set
+ * @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
+ * @return Zend_Date Provides fluid interface
+ * @throws Zend_Date_Exception
+ */
+ public function setIso($date, $locale = null)
+ {
+ return $this->_calcvalue('set', $date, 'iso', self::ISO_8601, $locale);
+ }
+
+
+ /**
+ * Adds a ISO date to the date object. Not given parts are set to default.
+ * Only supported ISO 8601 formats are accepted.
+ * For example: 050901 -> + 01.Sept.2005 00:00:00, 10:00:00 -> +10h
+ * Returned is the new date object
+ *
+ * @param string|integer|Zend_Date $date ISO Date to add
+ * @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
+ * @return Zend_Date Provides fluid interface
+ * @throws Zend_Date_Exception
+ */
+ public function addIso($date, $locale = null)
+ {
+ return $this->_calcvalue('add', $date, 'iso', self::ISO_8601, $locale);
+ }
+
+
+ /**
+ * Subtracts a ISO date from the date object. Not given parts are set to default.
+ * Only supported ISO 8601 formats are accepted.
+ * For example: 050901 -> - 01.Sept.2005 00:00:00, 10:00:00 -> -10h
+ * Returned is the new date object
+ *
+ * @param string|integer|Zend_Date $date ISO Date to sub
+ * @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
+ * @return Zend_Date Provides fluid interface
+ * @throws Zend_Date_Exception
+ */
+ public function subIso($date, $locale = null)
+ {
+ return $this->_calcvalue('sub', $date, 'iso', self::ISO_8601, $locale);
+ }
+
+
+ /**
+ * Compares a ISO date with the date object. Not given parts are set to default.
+ * Only supported ISO 8601 formats are accepted.
+ * For example: 050901 -> - 01.Sept.2005 00:00:00, 10:00:00 -> -10h
+ * Returns if equal, earlier or later
+ *
+ * @param string|integer|Zend_Date $date ISO Date to sub
+ * @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
+ * @return integer 0 = equal, 1 = later, -1 = earlier
+ * @throws Zend_Date_Exception
+ */
+ public function compareIso($date, $locale = null)
+ {
+ return $this->_calcvalue('cmp', $date, 'iso', self::ISO_8601, $locale);
+ }
+
+
+ /**
+ * Returns a RFC 822 compilant datestring from the date object.
+ * This function does not return the RFC date as object. Use copy() instead.
+ *
+ * @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
+ * @return string
+ */
+ public function getArpa($locale = null)
+ {
+ if (self::$_options['format_type'] == 'php') {
+ $format = 'D\, d M y H\:i\:s O';
+ } else {
+ $format = self::RFC_822;
+ }
+
+ return $this->toString($format, 'iso', $locale);
+ }
+
+
+ /**
+ * Sets a RFC 822 date as new date for the date object.
+ * Only RFC 822 compilant date strings are accepted.
+ * For example: Sat, 14 Feb 09 00:31:30 +0100
+ * Returned is the new date object
+ *
+ * @param string|integer|Zend_Date $date RFC 822 to set
+ * @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
+ * @return Zend_Date Provides fluid interface
+ * @throws Zend_Date_Exception
+ */
+ public function setArpa($date, $locale = null)
+ {
+ return $this->_calcvalue('set', $date, 'arpa', self::RFC_822, $locale);
+ }
+
+
+ /**
+ * Adds a RFC 822 date to the date object.
+ * ARPA messages are used in emails or HTTP Headers.
+ * Only RFC 822 compilant date strings are accepted.
+ * For example: Sat, 14 Feb 09 00:31:30 +0100
+ * Returned is the new date object
+ *
+ * @param string|integer|Zend_Date $date RFC 822 Date to add
+ * @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
+ * @return Zend_Date Provides fluid interface
+ * @throws Zend_Date_Exception
+ */
+ public function addArpa($date, $locale = null)
+ {
+ return $this->_calcvalue('add', $date, 'arpa', self::RFC_822, $locale);
+ }
+
+
+ /**
+ * Subtracts a RFC 822 date from the date object.
+ * ARPA messages are used in emails or HTTP Headers.
+ * Only RFC 822 compilant date strings are accepted.
+ * For example: Sat, 14 Feb 09 00:31:30 +0100
+ * Returned is the new date object
+ *
+ * @param string|integer|Zend_Date $date RFC 822 Date to sub
+ * @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
+ * @return Zend_Date Provides fluid interface
+ * @throws Zend_Date_Exception
+ */
+ public function subArpa($date, $locale = null)
+ {
+ return $this->_calcvalue('sub', $date, 'arpa', self::RFC_822, $locale);
+ }
+
+
+ /**
+ * Compares a RFC 822 compilant date with the date object.
+ * ARPA messages are used in emails or HTTP Headers.
+ * Only RFC 822 compilant date strings are accepted.
+ * For example: Sat, 14 Feb 09 00:31:30 +0100
+ * Returns if equal, earlier or later
+ *
+ * @param string|integer|Zend_Date $date RFC 822 Date to sub
+ * @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
+ * @return integer 0 = equal, 1 = later, -1 = earlier
+ * @throws Zend_Date_Exception
+ */
+ public function compareArpa($date, $locale = null)
+ {
+ return $this->_calcvalue('cmp', $date, 'arpa', self::RFC_822, $locale);
+ }
+
+
+ /**
+ * Check if location is supported
+ *
+ * @param $location array - locations array
+ * @return $horizon float
+ */
+ private function _checkLocation($location)
+ {
+ if (!isset($location['longitude']) or !isset($location['latitude'])) {
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception('Location must include \'longitude\' and \'latitude\'', 0, null, $location);
+ }
+ if (($location['longitude'] > 180) or ($location['longitude'] < -180)) {
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception('Longitude must be between -180 and 180', 0, null, $location);
+ }
+ if (($location['latitude'] > 90) or ($location['latitude'] < -90)) {
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception('Latitude must be between -90 and 90', 0, null, $location);
+ }
+
+ if (!isset($location['horizon'])){
+ $location['horizon'] = 'effective';
+ }
+
+ switch ($location['horizon']) {
+ case 'civil' :
+ return -0.104528;
+ break;
+ case 'nautic' :
+ return -0.207912;
+ break;
+ case 'astronomic' :
+ return -0.309017;
+ break;
+ default :
+ return -0.0145439;
+ break;
+ }
+ }
+
+
+ /**
+ * Returns the time of sunrise for this date and a given location as new date object
+ * For a list of cities and correct locations use the class Zend_Date_Cities
+ *
+ * @param $location array - location of sunrise
+ * ['horizon'] -> civil, nautic, astronomical, effective (default)
+ * ['longitude'] -> longitude of location
+ * ['latitude'] -> latitude of location
+ * @return Zend_Date
+ * @throws Zend_Date_Exception
+ */
+ public function getSunrise($location)
+ {
+ $horizon = $this->_checkLocation($location);
+ $result = clone $this;
+ $result->set($this->calcSun($location, $horizon, true), self::TIMESTAMP);
+ return $result;
+ }
+
+
+ /**
+ * Returns the time of sunset for this date and a given location as new date object
+ * For a list of cities and correct locations use the class Zend_Date_Cities
+ *
+ * @param $location array - location of sunset
+ * ['horizon'] -> civil, nautic, astronomical, effective (default)
+ * ['longitude'] -> longitude of location
+ * ['latitude'] -> latitude of location
+ * @return Zend_Date
+ * @throws Zend_Date_Exception
+ */
+ public function getSunset($location)
+ {
+ $horizon = $this->_checkLocation($location);
+ $result = clone $this;
+ $result->set($this->calcSun($location, $horizon, false), self::TIMESTAMP);
+ return $result;
+ }
+
+
+ /**
+ * Returns an array with the sunset and sunrise dates for all horizon types
+ * For a list of cities and correct locations use the class Zend_Date_Cities
+ *
+ * @param $location array - location of suninfo
+ * ['horizon'] -> civil, nautic, astronomical, effective (default)
+ * ['longitude'] -> longitude of location
+ * ['latitude'] -> latitude of location
+ * @return array - [sunset|sunrise][effective|civil|nautic|astronomic]
+ * @throws Zend_Date_Exception
+ */
+ public function getSunInfo($location)
+ {
+ $suninfo = array();
+ for ($i = 0; $i < 4; ++$i) {
+ switch ($i) {
+ case 0 :
+ $location['horizon'] = 'effective';
+ break;
+ case 1 :
+ $location['horizon'] = 'civil';
+ break;
+ case 2 :
+ $location['horizon'] = 'nautic';
+ break;
+ case 3 :
+ $location['horizon'] = 'astronomic';
+ break;
+ }
+ $horizon = $this->_checkLocation($location);
+ $result = clone $this;
+ $result->set($this->calcSun($location, $horizon, true), self::TIMESTAMP);
+ $suninfo['sunrise'][$location['horizon']] = $result;
+ $result = clone $this;
+ $result->set($this->calcSun($location, $horizon, false), self::TIMESTAMP);
+ $suninfo['sunset'][$location['horizon']] = $result;
+ }
+ return $suninfo;
+ }
+
+
+ /**
+ * Check a given year for leap year.
+ *
+ * @param integer|array|Zend_Date $year Year to check
+ * @return boolean
+ */
+ public static function checkLeapYear($year)
+ {
+ if ($year instanceof Zend_Date) {
+ $year = (int) $year->toString(self::YEAR, 'iso');
+ }
+
+ if (is_array($year)) {
+ if (isset($year['year']) === true) {
+ $year = $year['year'];
+ } else {
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception("no year given in array");
+ }
+ }
+
+ if (!is_numeric($year)) {
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception("year ($year) has to be integer for checkLeapYear()", 0, null, $year);
+ }
+
+ return (bool) parent::isYearLeapYear($year);
+ }
+
+
+ /**
+ * Returns true, if the year is a leap year.
+ *
+ * @return boolean
+ */
+ public function isLeapYear()
+ {
+ return self::checkLeapYear($this);
+ }
+
+
+ /**
+ * Returns if the set date is todays date
+ *
+ * @return boolean
+ */
+ public function isToday()
+ {
+ $today = $this->date('Ymd', $this->_getTime());
+ $day = $this->date('Ymd', $this->getUnixTimestamp());
+ return ($today == $day);
+ }
+
+
+ /**
+ * Returns if the set date is yesterdays date
+ *
+ * @return boolean
+ */
+ public function isYesterday()
+ {
+ list($year, $month, $day) = explode('-', $this->date('Y-m-d', $this->_getTime()));
+ // adjusts for leap days and DST changes that are timezone specific
+ $yesterday = $this->date('Ymd', $this->mktime(0, 0, 0, $month, $day -1, $year));
+ $day = $this->date('Ymd', $this->getUnixTimestamp());
+ return $day == $yesterday;
+ }
+
+
+ /**
+ * Returns if the set date is tomorrows date
+ *
+ * @return boolean
+ */
+ public function isTomorrow()
+ {
+ list($year, $month, $day) = explode('-', $this->date('Y-m-d', $this->_getTime()));
+ // adjusts for leap days and DST changes that are timezone specific
+ $tomorrow = $this->date('Ymd', $this->mktime(0, 0, 0, $month, $day +1, $year));
+ $day = $this->date('Ymd', $this->getUnixTimestamp());
+ return $day == $tomorrow;
+ }
+
+ /**
+ * Returns the actual date as new date object
+ *
+ * @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
+ * @return Zend_Date
+ */
+ public static function now($locale = null)
+ {
+ return new Zend_Date(time(), self::TIMESTAMP, $locale);
+ }
+
+ /**
+ * Calculate date details
+ *
+ * @param string $calc Calculation to make
+ * @param string|integer|array|Zend_Date $date Date or Part to calculate
+ * @param string $part Datepart for Calculation
+ * @param string|Zend_Locale $locale Locale for parsing input
+ * @return integer|string new date
+ * @throws Zend_Date_Exception
+ */
+ private function _calcdetail($calc, $date, $type, $locale)
+ {
+ $old = false;
+ if (self::$_options['format_type'] == 'php') {
+ self::$_options['format_type'] = 'iso';
+ $old = true;
+ }
+
+ switch($calc) {
+ case 'set' :
+ $return = $this->set($date, $type, $locale);
+ break;
+ case 'add' :
+ $return = $this->add($date, $type, $locale);
+ break;
+ case 'sub' :
+ $return = $this->sub($date, $type, $locale);
+ break;
+ default :
+ $return = $this->compare($date, $type, $locale);
+ break;
+ }
+
+ if ($old) {
+ self::$_options['format_type'] = 'php';
+ }
+
+ return $return;
+ }
+
+ /**
+ * Internal calculation, returns the requested date type
+ *
+ * @param string $calc Calculation to make
+ * @param string|integer|Zend_Date $value Datevalue to calculate with, if null the actual value is taken
+ * @param string|Zend_Locale $locale Locale for parsing input
+ * @return integer|Zend_Date new date
+ * @throws Zend_Date_Exception
+ */
+ private function _calcvalue($calc, $value, $type, $parameter, $locale)
+ {
+ if ($value === null) {
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception("parameter $type must be set, null is not allowed");
+ }
+
+ if ($locale === null) {
+ $locale = $this->getLocale();
+ }
+
+ if ($value instanceof Zend_Date) {
+ // extract value from object
+ $value = $value->toString($parameter, 'iso', $locale);
+ } else if (!is_array($value) && !is_numeric($value) && ($type != 'iso') && ($type != 'arpa')) {
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception("invalid $type ($value) operand", 0, null, $value);
+ }
+
+ $return = $this->_calcdetail($calc, $value, $parameter, $locale);
+ if ($calc != 'cmp') {
+ return $this;
+ }
+ return $return;
+ }
+
+
+ /**
+ * Returns only the year from the date object as new object.
+ * For example: 10.May.2000 10:30:00 -> 01.Jan.2000 00:00:00
+ *
+ * @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
+ * @return Zend_Date
+ */
+ public function getYear($locale = null)
+ {
+ if (self::$_options['format_type'] == 'php') {
+ $format = 'Y';
+ } else {
+ $format = self::YEAR;
+ }
+
+ return $this->copyPart($format, $locale);
+ }
+
+
+ /**
+ * Sets a new year
+ * If the year is between 0 and 69, 2000 will be set (2000-2069)
+ * If the year if between 70 and 99, 1999 will be set (1970-1999)
+ * 3 or 4 digit years are set as expected. If you need to set year 0-99
+ * use set() instead.
+ * Returned is the new date object
+ *
+ * @param string|integer|array|Zend_Date $date Year to set
+ * @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
+ * @return Zend_Date Provides fluid interface
+ * @throws Zend_Date_Exception
+ */
+ public function setYear($year, $locale = null)
+ {
+ return $this->_calcvalue('set', $year, 'year', self::YEAR, $locale);
+ }
+
+
+ /**
+ * Adds the year to the existing date object
+ * If the year is between 0 and 69, 2000 will be added (2000-2069)
+ * If the year if between 70 and 99, 1999 will be added (1970-1999)
+ * 3 or 4 digit years are added as expected. If you need to add years from 0-99
+ * use add() instead.
+ * Returned is the new date object
+ *
+ * @param string|integer|array|Zend_Date $date Year to add
+ * @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
+ * @return Zend_Date Provides fluid interface
+ * @throws Zend_Date_Exception
+ */
+ public function addYear($year, $locale = null)
+ {
+ return $this->_calcvalue('add', $year, 'year', self::YEAR, $locale);
+ }
+
+
+ /**
+ * Subs the year from the existing date object
+ * If the year is between 0 and 69, 2000 will be subtracted (2000-2069)
+ * If the year if between 70 and 99, 1999 will be subtracted (1970-1999)
+ * 3 or 4 digit years are subtracted as expected. If you need to subtract years from 0-99
+ * use sub() instead.
+ * Returned is the new date object
+ *
+ * @param string|integer|array|Zend_Date $date Year to sub
+ * @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
+ * @return Zend_Date Provides fluid interface
+ * @throws Zend_Date_Exception
+ */
+ public function subYear($year, $locale = null)
+ {
+ return $this->_calcvalue('sub', $year, 'year', self::YEAR, $locale);
+ }
+
+
+ /**
+ * Compares the year with the existing date object, ignoring other date parts.
+ * For example: 10.03.2000 -> 15.02.2000 -> true
+ * Returns if equal, earlier or later
+ *
+ * @param string|integer|array|Zend_Date $year Year to compare
+ * @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
+ * @return integer 0 = equal, 1 = later, -1 = earlier
+ * @throws Zend_Date_Exception
+ */
+ public function compareYear($year, $locale = null)
+ {
+ return $this->_calcvalue('cmp', $year, 'year', self::YEAR, $locale);
+ }
+
+
+ /**
+ * Returns only the month from the date object as new object.
+ * For example: 10.May.2000 10:30:00 -> 01.May.1970 00:00:00
+ *
+ * @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
+ * @return Zend_Date
+ */
+ public function getMonth($locale = null)
+ {
+ if (self::$_options['format_type'] == 'php') {
+ $format = 'm';
+ } else {
+ $format = self::MONTH;
+ }
+
+ return $this->copyPart($format, $locale);
+ }
+
+
+ /**
+ * Returns the calculated month
+ *
+ * @param string $calc Calculation to make
+ * @param string|integer|array|Zend_Date $month Month to calculate with, if null the actual month is taken
+ * @param string|Zend_Locale $locale Locale for parsing input
+ * @return integer|Zend_Date new time
+ * @throws Zend_Date_Exception
+ */
+ private function _month($calc, $month, $locale)
+ {
+ if ($month === null) {
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception('parameter $month must be set, null is not allowed');
+ }
+
+ if ($locale === null) {
+ $locale = $this->getLocale();
+ }
+
+ if ($month instanceof Zend_Date) {
+ // extract month from object
+ $found = $month->toString(self::MONTH_SHORT, 'iso', $locale);
+ } else {
+ if (is_numeric($month)) {
+ $found = $month;
+ } else if (is_array($month)) {
+ if (isset($month['month']) === true) {
+ $month = $month['month'];
+ } else {
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception("no month given in array");
+ }
+ } else {
+ $monthlist = Zend_Locale_Data::getList($locale, 'month');
+ $monthlist2 = Zend_Locale_Data::getList($locale, 'month', array('gregorian', 'format', 'abbreviated'));
+
+ $monthlist = array_merge($monthlist, $monthlist2);
+ $found = 0;
+ $cnt = 0;
+ foreach ($monthlist as $key => $value) {
+ if (strtoupper($value) == strtoupper($month)) {
+ $found = ($key % 12) + 1;
+ break;
+ }
+ ++$cnt;
+ }
+ if ($found == 0) {
+ foreach ($monthlist2 as $key => $value) {
+ if (strtoupper(iconv_substr($value, 0, 1, 'UTF-8')) == strtoupper($month)) {
+ $found = $key + 1;
+ break;
+ }
+ ++$cnt;
+ }
+ }
+ if ($found == 0) {
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception("unknown month name ($month)", 0, null, $month);
+ }
+ }
+ }
+ $return = $this->_calcdetail($calc, $found, self::MONTH_SHORT, $locale);
+ if ($calc != 'cmp') {
+ return $this;
+ }
+ return $return;
+ }
+
+
+ /**
+ * Sets a new month
+ * The month can be a number or a string. Setting months lower then 0 and greater then 12
+ * will result in adding or subtracting the relevant year. (12 months equal one year)
+ * If a localized monthname is given it will be parsed with the default locale or the optional
+ * set locale.
+ * Returned is the new date object
+ *
+ * @param string|integer|array|Zend_Date $month Month to set
+ * @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
+ * @return Zend_Date Provides fluid interface
+ * @throws Zend_Date_Exception
+ */
+ public function setMonth($month, $locale = null)
+ {
+ return $this->_month('set', $month, $locale);
+ }
+
+
+ /**
+ * Adds months to the existing date object.
+ * The month can be a number or a string. Adding months lower then 0 and greater then 12
+ * will result in adding or subtracting the relevant year. (12 months equal one year)
+ * If a localized monthname is given it will be parsed with the default locale or the optional
+ * set locale.
+ * Returned is the new date object
+ *
+ * @param string|integer|array|Zend_Date $month Month to add
+ * @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
+ * @return Zend_Date Provides fluid interface
+ * @throws Zend_Date_Exception
+ */
+ public function addMonth($month, $locale = null)
+ {
+ return $this->_month('add', $month, $locale);
+ }
+
+
+ /**
+ * Subtracts months from the existing date object.
+ * The month can be a number or a string. Subtracting months lower then 0 and greater then 12
+ * will result in adding or subtracting the relevant year. (12 months equal one year)
+ * If a localized monthname is given it will be parsed with the default locale or the optional
+ * set locale.
+ * Returned is the new date object
+ *
+ * @param string|integer|array|Zend_Date $month Month to sub
+ * @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
+ * @return Zend_Date Provides fluid interface
+ * @throws Zend_Date_Exception
+ */
+ public function subMonth($month, $locale = null)
+ {
+ return $this->_month('sub', $month, $locale);
+ }
+
+
+ /**
+ * Compares the month with the existing date object, ignoring other date parts.
+ * For example: 10.03.2000 -> 15.03.1950 -> true
+ * Returns if equal, earlier or later
+ *
+ * @param string|integer|array|Zend_Date $month Month to compare
+ * @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
+ * @return integer 0 = equal, 1 = later, -1 = earlier
+ * @throws Zend_Date_Exception
+ */
+ public function compareMonth($month, $locale = null)
+ {
+ return $this->_month('cmp', $month, $locale);
+ }
+
+
+ /**
+ * Returns the day as new date object
+ * Example: 20.May.1986 -> 20.Jan.1970 00:00:00
+ *
+ * @param $locale string|Zend_Locale OPTIONAL Locale for parsing input
+ * @return Zend_Date
+ */
+ public function getDay($locale = null)
+ {
+ return $this->copyPart(self::DAY_SHORT, $locale);
+ }
+
+
+ /**
+ * Returns the calculated day
+ *
+ * @param $calc string Type of calculation to make
+ * @param $day string|integer|Zend_Date Day to calculate, when null the actual day is calculated
+ * @param $locale string|Zend_Locale Locale for parsing input
+ * @return Zend_Date|integer
+ */
+ private function _day($calc, $day, $locale)
+ {
+ if ($day === null) {
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception('parameter $day must be set, null is not allowed');
+ }
+
+ if ($locale === null) {
+ $locale = $this->getLocale();
+ }
+
+ if ($day instanceof Zend_Date) {
+ $day = $day->toString(self::DAY_SHORT, 'iso', $locale);
+ }
+
+ if (is_numeric($day)) {
+ $type = self::DAY_SHORT;
+ } else if (is_array($day)) {
+ if (isset($day['day']) === true) {
+ $day = $day['day'];
+ $type = self::WEEKDAY;
+ } else {
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception("no day given in array");
+ }
+ } else {
+ switch (iconv_strlen($day, 'UTF-8')) {
+ case 1 :
+ $type = self::WEEKDAY_NARROW;
+ break;
+ case 2:
+ $type = self::WEEKDAY_NAME;
+ break;
+ case 3:
+ $type = self::WEEKDAY_SHORT;
+ break;
+ default:
+ $type = self::WEEKDAY;
+ break;
+ }
+ }
+ $return = $this->_calcdetail($calc, $day, $type, $locale);
+ if ($calc != 'cmp') {
+ return $this;
+ }
+ return $return;
+ }
+
+
+ /**
+ * Sets a new day
+ * The day can be a number or a string. Setting days lower then 0 or greater than the number of this months days
+ * will result in adding or subtracting the relevant month.
+ * If a localized dayname is given it will be parsed with the default locale or the optional
+ * set locale.
+ * Returned is the new date object
+ * Example: setDay('Montag', 'de_AT'); will set the monday of this week as day.
+ *
+ * @param string|integer|array|Zend_Date $month Day to set
+ * @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
+ * @return Zend_Date Provides fluid interface
+ * @throws Zend_Date_Exception
+ */
+ public function setDay($day, $locale = null)
+ {
+ return $this->_day('set', $day, $locale);
+ }
+
+
+ /**
+ * Adds days to the existing date object.
+ * The day can be a number or a string. Adding days lower then 0 or greater than the number of this months days
+ * will result in adding or subtracting the relevant month.
+ * If a localized dayname is given it will be parsed with the default locale or the optional
+ * set locale.
+ *
+ * @param string|integer|array|Zend_Date $month Day to add
+ * @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
+ * @return Zend_Date Provides fluid interface
+ * @throws Zend_Date_Exception
+ */
+ public function addDay($day, $locale = null)
+ {
+ return $this->_day('add', $day, $locale);
+ }
+
+
+ /**
+ * Subtracts days from the existing date object.
+ * The day can be a number or a string. Subtracting days lower then 0 or greater than the number of this months days
+ * will result in adding or subtracting the relevant month.
+ * If a localized dayname is given it will be parsed with the default locale or the optional
+ * set locale.
+ *
+ * @param string|integer|array|Zend_Date $month Day to sub
+ * @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
+ * @return Zend_Date Provides fluid interface
+ * @throws Zend_Date_Exception
+ */
+ public function subDay($day, $locale = null)
+ {
+ return $this->_day('sub', $day, $locale);
+ }
+
+
+ /**
+ * Compares the day with the existing date object, ignoring other date parts.
+ * For example: 'Monday', 'en' -> 08.Jan.2007 -> 0
+ * Returns if equal, earlier or later
+ *
+ * @param string|integer|array|Zend_Date $day Day to compare
+ * @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
+ * @return integer 0 = equal, 1 = later, -1 = earlier
+ * @throws Zend_Date_Exception
+ */
+ public function compareDay($day, $locale = null)
+ {
+ return $this->_day('cmp', $day, $locale);
+ }
+
+
+ /**
+ * Returns the weekday as new date object
+ * Weekday is always from 1-7
+ * Example: 09-Jan-2007 -> 2 = Tuesday -> 02-Jan-1970 (when 02.01.1970 is also Tuesday)
+ *
+ * @param $locale string|Zend_Locale OPTIONAL Locale for parsing input
+ * @return Zend_Date
+ */
+ public function getWeekday($locale = null)
+ {
+ if (self::$_options['format_type'] == 'php') {
+ $format = 'l';
+ } else {
+ $format = self::WEEKDAY;
+ }
+
+ return $this->copyPart($format, $locale);
+ }
+
+
+ /**
+ * Returns the calculated weekday
+ *
+ * @param $calc string Type of calculation to make
+ * @param $weekday string|integer|array|Zend_Date Weekday to calculate, when null the actual weekday is calculated
+ * @param $locale string|Zend_Locale Locale for parsing input
+ * @return Zend_Date|integer
+ * @throws Zend_Date_Exception
+ */
+ private function _weekday($calc, $weekday, $locale)
+ {
+ if ($weekday === null) {
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception('parameter $weekday must be set, null is not allowed');
+ }
+
+ if ($locale === null) {
+ $locale = $this->getLocale();
+ }
+
+ if ($weekday instanceof Zend_Date) {
+ $weekday = $weekday->toString(self::WEEKDAY_8601, 'iso', $locale);
+ }
+
+ if (is_numeric($weekday)) {
+ $type = self::WEEKDAY_8601;
+ } else if (is_array($weekday)) {
+ if (isset($weekday['weekday']) === true) {
+ $weekday = $weekday['weekday'];
+ $type = self::WEEKDAY;
+ } else {
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception("no weekday given in array");
+ }
+ } else {
+ switch(iconv_strlen($weekday, 'UTF-8')) {
+ case 1:
+ $type = self::WEEKDAY_NARROW;
+ break;
+ case 2:
+ $type = self::WEEKDAY_NAME;
+ break;
+ case 3:
+ $type = self::WEEKDAY_SHORT;
+ break;
+ default:
+ $type = self::WEEKDAY;
+ break;
+ }
+ }
+ $return = $this->_calcdetail($calc, $weekday, $type, $locale);
+ if ($calc != 'cmp') {
+ return $this;
+ }
+ return $return;
+ }
+
+
+ /**
+ * Sets a new weekday
+ * The weekday can be a number or a string. If a localized weekday name is given,
+ * then it will be parsed as a date in $locale (defaults to the same locale as $this).
+ * Returned is the new date object.
+ * Example: setWeekday(3); will set the wednesday of this week as day.
+ *
+ * @param string|integer|array|Zend_Date $month Weekday to set
+ * @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
+ * @return Zend_Date Provides fluid interface
+ * @throws Zend_Date_Exception
+ */
+ public function setWeekday($weekday, $locale = null)
+ {
+ return $this->_weekday('set', $weekday, $locale);
+ }
+
+
+ /**
+ * Adds weekdays to the existing date object.
+ * The weekday can be a number or a string.
+ * If a localized dayname is given it will be parsed with the default locale or the optional
+ * set locale.
+ * Returned is the new date object
+ * Example: addWeekday(3); will add the difference of days from the begining of the month until
+ * wednesday.
+ *
+ * @param string|integer|array|Zend_Date $month Weekday to add
+ * @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
+ * @return Zend_Date Provides fluid interface
+ * @throws Zend_Date_Exception
+ */
+ public function addWeekday($weekday, $locale = null)
+ {
+ return $this->_weekday('add', $weekday, $locale);
+ }
+
+
+ /**
+ * Subtracts weekdays from the existing date object.
+ * The weekday can be a number or a string.
+ * If a localized dayname is given it will be parsed with the default locale or the optional
+ * set locale.
+ * Returned is the new date object
+ * Example: subWeekday(3); will subtract the difference of days from the begining of the month until
+ * wednesday.
+ *
+ * @param string|integer|array|Zend_Date $month Weekday to sub
+ * @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
+ * @return Zend_Date Provides fluid interface
+ * @throws Zend_Date_Exception
+ */
+ public function subWeekday($weekday, $locale = null)
+ {
+ return $this->_weekday('sub', $weekday, $locale);
+ }
+
+
+ /**
+ * Compares the weekday with the existing date object, ignoring other date parts.
+ * For example: 'Monday', 'en' -> 08.Jan.2007 -> 0
+ * Returns if equal, earlier or later
+ *
+ * @param string|integer|array|Zend_Date $weekday Weekday to compare
+ * @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
+ * @return integer 0 = equal, 1 = later, -1 = earlier
+ * @throws Zend_Date_Exception
+ */
+ public function compareWeekday($weekday, $locale = null)
+ {
+ return $this->_weekday('cmp', $weekday, $locale);
+ }
+
+
+ /**
+ * Returns the day of year as new date object
+ * Example: 02.Feb.1986 10:00:00 -> 02.Feb.1970 00:00:00
+ *
+ * @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
+ * @return Zend_Date
+ */
+ public function getDayOfYear($locale = null)
+ {
+ if (self::$_options['format_type'] == 'php') {
+ $format = 'D';
+ } else {
+ $format = self::DAY_OF_YEAR;
+ }
+
+ return $this->copyPart($format, $locale);
+ }
+
+
+ /**
+ * Sets a new day of year
+ * The day of year is always a number.
+ * Returned is the new date object
+ * Example: 04.May.2004 -> setDayOfYear(10) -> 10.Jan.2004
+ *
+ * @param string|integer|array|Zend_Date $day Day of Year to set
+ * @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
+ * @return Zend_Date Provides fluid interface
+ * @throws Zend_Date_Exception
+ */
+ public function setDayOfYear($day, $locale = null)
+ {
+ return $this->_calcvalue('set', $day, 'day of year', self::DAY_OF_YEAR, $locale);
+ }
+
+
+ /**
+ * Adds a day of year to the existing date object.
+ * The day of year is always a number.
+ * Returned is the new date object
+ * Example: addDayOfYear(10); will add 10 days to the existing date object.
+ *
+ * @param string|integer|array|Zend_Date $day Day of Year to add
+ * @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
+ * @return Zend_Date Provides fluid interface
+ * @throws Zend_Date_Exception
+ */
+ public function addDayOfYear($day, $locale = null)
+ {
+ return $this->_calcvalue('add', $day, 'day of year', self::DAY_OF_YEAR, $locale);
+ }
+
+
+ /**
+ * Subtracts a day of year from the existing date object.
+ * The day of year is always a number.
+ * Returned is the new date object
+ * Example: subDayOfYear(10); will subtract 10 days from the existing date object.
+ *
+ * @param string|integer|array|Zend_Date $day Day of Year to sub
+ * @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
+ * @return Zend_Date Provides fluid interface
+ * @throws Zend_Date_Exception
+ */
+ public function subDayOfYear($day, $locale = null)
+ {
+ return $this->_calcvalue('sub', $day, 'day of year', self::DAY_OF_YEAR, $locale);
+ }
+
+
+ /**
+ * Compares the day of year with the existing date object.
+ * For example: compareDayOfYear(33) -> 02.Feb.2007 -> 0
+ * Returns if equal, earlier or later
+ *
+ * @param string|integer|array|Zend_Date $day Day of Year to compare
+ * @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
+ * @return integer 0 = equal, 1 = later, -1 = earlier
+ * @throws Zend_Date_Exception
+ */
+ public function compareDayOfYear($day, $locale = null)
+ {
+ return $this->_calcvalue('cmp', $day, 'day of year', self::DAY_OF_YEAR, $locale);
+ }
+
+
+ /**
+ * Returns the hour as new date object
+ * Example: 02.Feb.1986 10:30:25 -> 01.Jan.1970 10:00:00
+ *
+ * @param $locale string|Zend_Locale OPTIONAL Locale for parsing input
+ * @return Zend_Date
+ */
+ public function getHour($locale = null)
+ {
+ return $this->copyPart(self::HOUR, $locale);
+ }
+
+
+ /**
+ * Sets a new hour
+ * The hour is always a number.
+ * Returned is the new date object
+ * Example: 04.May.1993 13:07:25 -> setHour(7); -> 04.May.1993 07:07:25
+ *
+ * @param string|integer|array|Zend_Date $hour Hour to set
+ * @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
+ * @return Zend_Date Provides fluid interface
+ * @throws Zend_Date_Exception
+ */
+ public function setHour($hour, $locale = null)
+ {
+ return $this->_calcvalue('set', $hour, 'hour', self::HOUR_SHORT, $locale);
+ }
+
+
+ /**
+ * Adds hours to the existing date object.
+ * The hour is always a number.
+ * Returned is the new date object
+ * Example: 04.May.1993 13:07:25 -> addHour(12); -> 05.May.1993 01:07:25
+ *
+ * @param string|integer|array|Zend_Date $hour Hour to add
+ * @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
+ * @return Zend_Date Provides fluid interface
+ * @throws Zend_Date_Exception
+ */
+ public function addHour($hour, $locale = null)
+ {
+ return $this->_calcvalue('add', $hour, 'hour', self::HOUR_SHORT, $locale);
+ }
+
+
+ /**
+ * Subtracts hours from the existing date object.
+ * The hour is always a number.
+ * Returned is the new date object
+ * Example: 04.May.1993 13:07:25 -> subHour(6); -> 05.May.1993 07:07:25
+ *
+ * @param string|integer|array|Zend_Date $hour Hour to sub
+ * @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
+ * @return Zend_Date Provides fluid interface
+ * @throws Zend_Date_Exception
+ */
+ public function subHour($hour, $locale = null)
+ {
+ return $this->_calcvalue('sub', $hour, 'hour', self::HOUR_SHORT, $locale);
+ }
+
+
+ /**
+ * Compares the hour with the existing date object.
+ * For example: 10:30:25 -> compareHour(10) -> 0
+ * Returns if equal, earlier or later
+ *
+ * @param string|integer|array|Zend_Date $hour Hour to compare
+ * @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
+ * @return integer 0 = equal, 1 = later, -1 = earlier
+ * @throws Zend_Date_Exception
+ */
+ public function compareHour($hour, $locale = null)
+ {
+ return $this->_calcvalue('cmp', $hour, 'hour', self::HOUR_SHORT, $locale);
+ }
+
+
+ /**
+ * Returns the minute as new date object
+ * Example: 02.Feb.1986 10:30:25 -> 01.Jan.1970 00:30:00
+ *
+ * @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
+ * @return Zend_Date
+ */
+ public function getMinute($locale = null)
+ {
+ if (self::$_options['format_type'] == 'php') {
+ $format = 'i';
+ } else {
+ $format = self::MINUTE;
+ }
+
+ return $this->copyPart($format, $locale);
+ }
+
+
+ /**
+ * Sets a new minute
+ * The minute is always a number.
+ * Returned is the new date object
+ * Example: 04.May.1993 13:07:25 -> setMinute(29); -> 04.May.1993 13:29:25
+ *
+ * @param string|integer|array|Zend_Date $minute Minute to set
+ * @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
+ * @return Zend_Date Provides fluid interface
+ * @throws Zend_Date_Exception
+ */
+ public function setMinute($minute, $locale = null)
+ {
+ return $this->_calcvalue('set', $minute, 'minute', self::MINUTE_SHORT, $locale);
+ }
+
+
+ /**
+ * Adds minutes to the existing date object.
+ * The minute is always a number.
+ * Returned is the new date object
+ * Example: 04.May.1993 13:07:25 -> addMinute(65); -> 04.May.1993 13:12:25
+ *
+ * @param string|integer|array|Zend_Date $minute Minute to add
+ * @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
+ * @return Zend_Date Provides fluid interface
+ * @throws Zend_Date_Exception
+ */
+ public function addMinute($minute, $locale = null)
+ {
+ return $this->_calcvalue('add', $minute, 'minute', self::MINUTE_SHORT, $locale);
+ }
+
+
+ /**
+ * Subtracts minutes from the existing date object.
+ * The minute is always a number.
+ * Returned is the new date object
+ * Example: 04.May.1993 13:07:25 -> subMinute(9); -> 04.May.1993 12:58:25
+ *
+ * @param string|integer|array|Zend_Date $minute Minute to sub
+ * @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
+ * @return Zend_Date Provides fluid interface
+ * @throws Zend_Date_Exception
+ */
+ public function subMinute($minute, $locale = null)
+ {
+ return $this->_calcvalue('sub', $minute, 'minute', self::MINUTE_SHORT, $locale);
+ }
+
+
+ /**
+ * Compares the minute with the existing date object.
+ * For example: 10:30:25 -> compareMinute(30) -> 0
+ * Returns if equal, earlier or later
+ *
+ * @param string|integer|array|Zend_Date $minute Hour to compare
+ * @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
+ * @return integer 0 = equal, 1 = later, -1 = earlier
+ * @throws Zend_Date_Exception
+ */
+ public function compareMinute($minute, $locale = null)
+ {
+ return $this->_calcvalue('cmp', $minute, 'minute', self::MINUTE_SHORT, $locale);
+ }
+
+
+ /**
+ * Returns the second as new date object
+ * Example: 02.Feb.1986 10:30:25 -> 01.Jan.1970 00:00:25
+ *
+ * @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
+ * @return Zend_Date
+ */
+ public function getSecond($locale = null)
+ {
+ if (self::$_options['format_type'] == 'php') {
+ $format = 's';
+ } else {
+ $format = self::SECOND;
+ }
+
+ return $this->copyPart($format, $locale);
+ }
+
+
+ /**
+ * Sets new seconds to the existing date object.
+ * The second is always a number.
+ * Returned is the new date object
+ * Example: 04.May.1993 13:07:25 -> setSecond(100); -> 04.May.1993 13:08:40
+ *
+ * @param string|integer|array|Zend_Date $second Second to set
+ * @param string|Zend_Locale $locale (Optional) Locale for parsing input
+ * @return Zend_Date Provides fluid interface
+ * @throws Zend_Date_Exception
+ */
+ public function setSecond($second, $locale = null)
+ {
+ return $this->_calcvalue('set', $second, 'second', self::SECOND_SHORT, $locale);
+ }
+
+
+ /**
+ * Adds seconds to the existing date object.
+ * The second is always a number.
+ * Returned is the new date object
+ * Example: 04.May.1993 13:07:25 -> addSecond(65); -> 04.May.1993 13:08:30
+ *
+ * @param string|integer|array|Zend_Date $second Second to add
+ * @param string|Zend_Locale $locale (Optional) Locale for parsing input
+ * @return Zend_Date Provides fluid interface
+ * @throws Zend_Date_Exception
+ */
+ public function addSecond($second, $locale = null)
+ {
+ return $this->_calcvalue('add', $second, 'second', self::SECOND_SHORT, $locale);
+ }
+
+
+ /**
+ * Subtracts seconds from the existing date object.
+ * The second is always a number.
+ * Returned is the new date object
+ * Example: 04.May.1993 13:07:25 -> subSecond(10); -> 04.May.1993 13:07:15
+ *
+ * @param string|integer|array|Zend_Date $second Second to sub
+ * @param string|Zend_Locale $locale (Optional) Locale for parsing input
+ * @return Zend_Date Provides fluid interface
+ * @throws Zend_Date_Exception
+ */
+ public function subSecond($second, $locale = null)
+ {
+ return $this->_calcvalue('sub', $second, 'second', self::SECOND_SHORT, $locale);
+ }
+
+
+ /**
+ * Compares the second with the existing date object.
+ * For example: 10:30:25 -> compareSecond(25) -> 0
+ * Returns if equal, earlier or later
+ *
+ * @param string|integer|array|Zend_Date $second Second to compare
+ * @param string|Zend_Locale $locale (Optional) Locale for parsing input
+ * @return integer 0 = equal, 1 = later, -1 = earlier
+ * @throws Zend_Date_Exception
+ */
+ public function compareSecond($second, $locale = null)
+ {
+ return $this->_calcvalue('cmp', $second, 'second', self::SECOND_SHORT, $locale);
+ }
+
+
+ /**
+ * Returns the precision for fractional seconds
+ *
+ * @return integer
+ */
+ public function getFractionalPrecision()
+ {
+ return $this->_precision;
+ }
+
+
+ /**
+ * Sets a new precision for fractional seconds
+ *
+ * @param integer $precision Precision for the fractional datepart 3 = milliseconds
+ * @throws Zend_Date_Exception
+ * @return Zend_Date Provides fluid interface
+ */
+ public function setFractionalPrecision($precision)
+ {
+ if (!intval($precision) or ($precision < 0) or ($precision > 9)) {
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception("precision ($precision) must be a positive integer less than 10", 0, null, $precision);
+ }
+
+ $this->_precision = (int) $precision;
+ if ($this->_precision < strlen($this->_fractional)) {
+ $this->_fractional = substr($this->_fractional, 0, $this->_precision);
+ } else {
+ $this->_fractional = str_pad($this->_fractional, $this->_precision, '0', STR_PAD_RIGHT);
+ }
+
+ return $this;
+ }
+
+
+ /**
+ * Returns the milliseconds of the date object
+ *
+ * @return string
+ */
+ public function getMilliSecond()
+ {
+ return $this->_fractional;
+ }
+
+
+ /**
+ * Sets new milliseconds for the date object
+ * Example: setMilliSecond(550, 2) -> equals +5 Sec +50 MilliSec
+ *
+ * @param integer|Zend_Date $milli (Optional) Millisecond to set, when null the actual millisecond is set
+ * @param integer $precision (Optional) Fraction precision of the given milliseconds
+ * @return Zend_Date Provides fluid interface
+ */
+ public function setMilliSecond($milli = null, $precision = null)
+ {
+ if ($milli === null) {
+ list($milli, $time) = explode(" ", microtime());
+ $milli = intval($milli);
+ $precision = 6;
+ } else if (!is_numeric($milli)) {
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception("invalid milli second ($milli) operand", 0, null, $milli);
+ }
+
+ if ($precision === null) {
+ $precision = $this->_precision;
+ }
+
+ if (!is_int($precision) || $precision < 1 || $precision > 9) {
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception("precision ($precision) must be a positive integer less than 10", 0, null, $precision);
+ }
+
+ $this->_fractional = 0;
+ $this->addMilliSecond($milli, $precision);
+ return $this;
+ }
+
+
+ /**
+ * Adds milliseconds to the date object
+ *
+ * @param integer|Zend_Date $milli (Optional) Millisecond to add, when null the actual millisecond is added
+ * @param integer $precision (Optional) Fractional precision for the given milliseconds
+ * @return Zend_Date Provides fluid interface
+ */
+ public function addMilliSecond($milli = null, $precision = null)
+ {
+ if ($milli === null) {
+ list($milli, $time) = explode(" ", microtime());
+ $milli = intval($milli);
+ } else if (!is_numeric($milli)) {
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception("invalid milli second ($milli) operand", 0, null, $milli);
+ }
+
+ if ($precision === null) {
+ $precision = strlen($milli);
+ if ($milli < 0) {
+ --$precision;
+ }
+ }
+
+ if (!is_int($precision) || $precision < 1 || $precision > 9) {
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception("precision ($precision) must be a positive integer less than 10", 0, null, $precision);
+ }
+
+ $this->_fractional += $milli;
+
+ // Add/sub milliseconds + add/sub seconds
+ $max = pow(10, $this->_precision);
+ // Milli includes seconds
+ if ($this->_fractional >= $max) {
+ while ($this->_fractional >= $max) {
+ $this->addSecond(1);
+ $this->_fractional -= $max;
+ }
+ }
+
+ if ($this->_fractional < 0) {
+ while ($this->_fractional < 0) {
+ $this->subSecond(1);
+ $this->_fractional += $max;
+ }
+ }
+
+ if ($this->_precision > strlen($this->_fractional)) {
+ $this->_fractional = str_pad($this->_fractional, $this->_precision, '0', STR_PAD_LEFT);
+ }
+
+ return $this;
+ }
+
+
+ /**
+ * Subtracts a millisecond
+ *
+ * @param integer|Zend_Date $milli (Optional) Millisecond to sub, when null the actual millisecond is subtracted
+ * @param integer $precision (Optional) Fractional precision for the given milliseconds
+ * @return Zend_Date Provides fluid interface
+ */
+ public function subMilliSecond($milli = null, $precision = null)
+ {
+ $this->addMilliSecond(0 - $milli, $precision);
+ return $this;
+ }
+
+ /**
+ * Compares only the millisecond part, returning the difference
+ *
+ * @param integer|Zend_Date $milli OPTIONAL Millisecond to compare, when null the actual millisecond is compared
+ * @param integer $precision OPTIONAL Fractional precision for the given milliseconds
+ * @throws Zend_Date_Exception On invalid input
+ * @return integer 0 = equal, 1 = later, -1 = earlier
+ */
+ public function compareMilliSecond($milli = null, $precision = null)
+ {
+ if ($milli === null) {
+ list($milli, $time) = explode(" ", microtime());
+ $milli = intval($milli);
+ } else if (is_numeric($milli) === false) {
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception("invalid milli second ($milli) operand", 0, null, $milli);
+ }
+
+ if ($precision === null) {
+ $precision = strlen($milli);
+ } else if (!is_int($precision) || $precision < 1 || $precision > 9) {
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception("precision ($precision) must be a positive integer less than 10", 0, null, $precision);
+ }
+
+ if ($precision === 0) {
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception('precision is 0');
+ }
+
+ if ($precision != $this->_precision) {
+ if ($precision > $this->_precision) {
+ $diff = $precision - $this->_precision;
+ $milli = (int) ($milli / (10 * $diff));
+ } else {
+ $diff = $this->_precision - $precision;
+ $milli = (int) ($milli * (10 * $diff));
+ }
+ }
+
+ $comp = $this->_fractional - $milli;
+ if ($comp < 0) {
+ return -1;
+ } else if ($comp > 0) {
+ return 1;
+ }
+ return 0;
+ }
+
+ /**
+ * Returns the week as new date object using monday as begining of the week
+ * Example: 12.Jan.2007 -> 08.Jan.1970 00:00:00
+ *
+ * @param $locale string|Zend_Locale OPTIONAL Locale for parsing input
+ * @return Zend_Date
+ */
+ public function getWeek($locale = null)
+ {
+ if (self::$_options['format_type'] == 'php') {
+ $format = 'W';
+ } else {
+ $format = self::WEEK;
+ }
+
+ return $this->copyPart($format, $locale);
+ }
+
+ /**
+ * Sets a new week. The week is always a number. The day of week is not changed.
+ * Returned is the new date object
+ * Example: 09.Jan.2007 13:07:25 -> setWeek(1); -> 02.Jan.2007 13:07:25
+ *
+ * @param string|integer|array|Zend_Date $week Week to set
+ * @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
+ * @return Zend_Date Provides fluid interface
+ * @throws Zend_Date_Exception
+ */
+ public function setWeek($week, $locale = null)
+ {
+ return $this->_calcvalue('set', $week, 'week', self::WEEK, $locale);
+ }
+
+ /**
+ * Adds a week. The week is always a number. The day of week is not changed.
+ * Returned is the new date object
+ * Example: 09.Jan.2007 13:07:25 -> addWeek(1); -> 16.Jan.2007 13:07:25
+ *
+ * @param string|integer|array|Zend_Date $week Week to add
+ * @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
+ * @return Zend_Date Provides fluid interface
+ * @throws Zend_Date_Exception
+ */
+ public function addWeek($week, $locale = null)
+ {
+ return $this->_calcvalue('add', $week, 'week', self::WEEK, $locale);
+ }
+
+ /**
+ * Subtracts a week. The week is always a number. The day of week is not changed.
+ * Returned is the new date object
+ * Example: 09.Jan.2007 13:07:25 -> subWeek(1); -> 02.Jan.2007 13:07:25
+ *
+ * @param string|integer|array|Zend_Date $week Week to sub
+ * @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
+ * @return Zend_Date Provides fluid interface
+ * @throws Zend_Date_Exception
+ */
+ public function subWeek($week, $locale = null)
+ {
+ return $this->_calcvalue('sub', $week, 'week', self::WEEK, $locale);
+ }
+
+ /**
+ * Compares only the week part, returning the difference
+ * Returned is the new date object
+ * Returns if equal, earlier or later
+ * Example: 09.Jan.2007 13:07:25 -> compareWeek(2); -> 0
+ *
+ * @param string|integer|array|Zend_Date $week Week to compare
+ * @param string|Zend_Locale $locale OPTIONAL Locale for parsing input
+ * @return integer 0 = equal, 1 = later, -1 = earlier
+ */
+ public function compareWeek($week, $locale = null)
+ {
+ return $this->_calcvalue('cmp', $week, 'week', self::WEEK, $locale);
+ }
+
+ /**
+ * Sets a new standard locale for the date object.
+ * This locale will be used for all functions
+ * Returned is the really set locale.
+ * Example: 'de_XX' will be set to 'de' because 'de_XX' does not exist
+ * 'xx_YY' will be set to 'root' because 'xx' does not exist
+ *
+ * @param string|Zend_Locale $locale (Optional) Locale for parsing input
+ * @throws Zend_Date_Exception When the given locale does not exist
+ * @return Zend_Date Provides fluent interface
+ */
+ public function setLocale($locale = null)
+ {
+ try {
+ $this->_locale = Zend_Locale::findLocale($locale);
+ } catch (Zend_Locale_Exception $e) {
+ require_once 'Zend/Date/Exception.php';
+ throw new Zend_Date_Exception($e->getMessage(), 0, $e);
+ }
+
+ return $this;
+ }
+
+ /**
+ * Returns the actual set locale
+ *
+ * @return string
+ */
+ public function getLocale()
+ {
+ return $this->_locale;
+ }
+
+ /**
+ * Checks if the given date is a real date or datepart.
+ * Returns false if a expected datepart is missing or a datepart exceeds its possible border.
+ * But the check will only be done for the expected dateparts which are given by format.
+ * If no format is given the standard dateformat for the actual locale is used.
+ * f.e. 30.February.2007 will return false if format is 'dd.MMMM.YYYY'
+ *
+ * @param string|array|Zend_Date $date Date to parse for correctness
+ * @param string $format (Optional) Format for parsing the date string
+ * @param string|Zend_Locale $locale (Optional) Locale for parsing date parts
+ * @return boolean True when all date parts are correct
+ */
+ public static function isDate($date, $format = null, $locale = null)
+ {
+ if (!is_string($date) && !is_numeric($date) && !($date instanceof Zend_Date) &&
+ !is_array($date)) {
+ return false;
+ }
+
+ if (($format !== null) && ($format != 'ee') && ($format != 'ss') && ($format != 'GG') && ($format != 'MM') && ($format != 'EE') && ($format != 'TT')
+ && (Zend_Locale::isLocale($format, null, false))) {
+ $locale = $format;
+ $format = null;
+ }
+
+ $locale = Zend_Locale::findLocale($locale);
+
+ if ($format === null) {
+ $format = Zend_Locale_Format::getDateFormat($locale);
+ } else if ((self::$_options['format_type'] == 'php') && !defined($format)) {
+ $format = Zend_Locale_Format::convertPhpToIsoFormat($format);
+ }
+
+ $format = self::_getLocalizedToken($format, $locale);
+ if (!is_array($date)) {
+ try {
+ $parsed = Zend_Locale_Format::getDate($date, array('locale' => $locale,
+ 'date_format' => $format, 'format_type' => 'iso',
+ 'fix_date' => false));
+ } catch (Zend_Locale_Exception $e) {
+ // Date can not be parsed
+ return false;
+ }
+ } else {
+ $parsed = $date;
+ }
+
+ if (((strpos($format, 'Y') !== false) or (strpos($format, 'y') !== false)) and
+ (!isset($parsed['year']))) {
+ // Year expected but not found
+ return false;
+ }
+
+ if ((strpos($format, 'M') !== false) and (!isset($parsed['month']))) {
+ // Month expected but not found
+ return false;
+ }
+
+ if ((strpos($format, 'd') !== false) and (!isset($parsed['day']))) {
+ // Day expected but not found
+ return false;
+ }
+
+ if (((strpos($format, 'H') !== false) or (strpos($format, 'h') !== false)) and
+ (!isset($parsed['hour']))) {
+ // Hour expected but not found
+ return false;
+ }
+
+ if ((strpos($format, 'm') !== false) and (!isset($parsed['minute']))) {
+ // Minute expected but not found
+ return false;
+ }
+
+ if ((strpos($format, 's') !== false) and (!isset($parsed['second']))) {
+ // Second expected but not found
+ return false;
+ }
+
+ // Set not given dateparts
+ if (isset($parsed['hour']) === false) {
+ $parsed['hour'] = 12;
+ }
+
+ if (isset($parsed['minute']) === false) {
+ $parsed['minute'] = 0;
+ }
+
+ if (isset($parsed['second']) === false) {
+ $parsed['second'] = 0;
+ }
+
+ if (isset($parsed['month']) === false) {
+ $parsed['month'] = 1;
+ }
+
+ if (isset($parsed['day']) === false) {
+ $parsed['day'] = 1;
+ }
+
+ if (isset($parsed['year']) === false) {
+ $parsed['year'] = 1970;
+ }
+
+ if (self::isYearLeapYear($parsed['year'])) {
+ $parsed['year'] = 1972;
+ } else {
+ $parsed['year'] = 1971;
+ }
+
+ $date = new self($parsed, null, $locale);
+ $timestamp = $date->mktime($parsed['hour'], $parsed['minute'], $parsed['second'],
+ $parsed['month'], $parsed['day'], $parsed['year']);
+
+ if ($parsed['year'] != $date->date('Y', $timestamp)) {
+ // Given year differs from parsed year
+ return false;
+ }
+
+ if ($parsed['month'] != $date->date('n', $timestamp)) {
+ // Given month differs from parsed month
+ return false;
+ }
+
+ if ($parsed['day'] != $date->date('j', $timestamp)) {
+ // Given day differs from parsed day
+ return false;
+ }
+
+ if ($parsed['hour'] != $date->date('G', $timestamp)) {
+ // Given hour differs from parsed hour
+ return false;
+ }
+
+ if ($parsed['minute'] != $date->date('i', $timestamp)) {
+ // Given minute differs from parsed minute
+ return false;
+ }
+
+ if ($parsed['second'] != $date->date('s', $timestamp)) {
+ // Given second differs from parsed second
+ return false;
+ }
+
+ return true;
+ }
+
+ /**
+ * Returns the ISO Token for all localized constants
+ *
+ * @param string $token Token to normalize
+ * @param string $locale Locale to search
+ * @return string
+ */
+ protected static function _getLocalizedToken($token, $locale)
+ {
+ switch($token) {
+ case self::ISO_8601 :
+ return "yyyy-MM-ddThh:mm:ss";
+ break;
+ case self::RFC_2822 :
+ return "EEE, dd MMM yyyy HH:mm:ss";
+ break;
+ case self::DATES :
+ return Zend_Locale_Data::getContent($locale, 'date');
+ break;
+ case self::DATE_FULL :
+ return Zend_Locale_Data::getContent($locale, 'date', array('gregorian', 'full'));
+ break;
+ case self::DATE_LONG :
+ return Zend_Locale_Data::getContent($locale, 'date', array('gregorian', 'long'));
+ break;
+ case self::DATE_MEDIUM :
+ return Zend_Locale_Data::getContent($locale, 'date', array('gregorian', 'medium'));
+ break;
+ case self::DATE_SHORT :
+ return Zend_Locale_Data::getContent($locale, 'date', array('gregorian', 'short'));
+ break;
+ case self::TIMES :
+ return Zend_Locale_Data::getContent($locale, 'time');
+ break;
+ case self::TIME_FULL :
+ return Zend_Locale_Data::getContent($locale, 'time', array('gregorian', 'full'));
+ break;
+ case self::TIME_LONG :
+ return Zend_Locale_Data::getContent($locale, 'time', array('gregorian', 'long'));
+ break;
+ case self::TIME_MEDIUM :
+ return Zend_Locale_Data::getContent($locale, 'time', array('gregorian', 'medium'));
+ break;
+ case self::TIME_SHORT :
+ return Zend_Locale_Data::getContent($locale, 'time', array('gregorian', 'short'));
+ break;
+ case self::DATETIME :
+ return Zend_Locale_Data::getContent($locale, 'datetime');
+ break;
+ case self::DATETIME_FULL :
+ return Zend_Locale_Data::getContent($locale, 'datetime', array('gregorian', 'full'));
+ break;
+ case self::DATETIME_LONG :
+ return Zend_Locale_Data::getContent($locale, 'datetime', array('gregorian', 'long'));
+ break;
+ case self::DATETIME_MEDIUM :
+ return Zend_Locale_Data::getContent($locale, 'datetime', array('gregorian', 'medium'));
+ break;
+ case self::DATETIME_SHORT :
+ return Zend_Locale_Data::getContent($locale, 'datetime', array('gregorian', 'short'));
+ break;
+ case self::ATOM :
+ case self::RFC_3339 :
+ case self::W3C :
+ return "yyyy-MM-DD HH:mm:ss";
+ break;
+ case self::COOKIE :
+ case self::RFC_850 :
+ return "EEEE, dd-MM-yyyy HH:mm:ss";
+ break;
+ case self::RFC_822 :
+ case self::RFC_1036 :
+ case self::RFC_1123 :
+ case self::RSS :
+ return "EEE, dd MM yyyy HH:mm:ss";
+ break;
+ }
+
+ return $token;
+ }
+}