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1 <?php |
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2 /** |
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3 * Zend Framework |
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4 * |
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5 * LICENSE |
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6 * |
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7 * This source file is subject to the new BSD license that is bundled |
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8 * with this package in the file LICENSE.txt. |
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9 * It is also available through the world-wide-web at this URL: |
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10 * http://framework.zend.com/license/new-bsd |
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11 * If you did not receive a copy of the license and are unable to |
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12 * obtain it through the world-wide-web, please send an email |
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13 * to license@zend.com so we can send you a copy immediately. |
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14 * |
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15 * @category Zend |
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16 * @package Zend_Validate |
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17 * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com) |
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18 * @license http://framework.zend.com/license/new-bsd New BSD License |
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19 * @version $Id: NotEmpty.php 22691 2010-07-26 19:29:14Z thomas $ |
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20 */ |
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21 |
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22 /** |
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23 * @see Zend_Validate_Abstract |
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24 */ |
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25 require_once 'Zend/Validate/Abstract.php'; |
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26 |
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27 /** |
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28 * @category Zend |
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29 * @package Zend_Validate |
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30 * @copyright Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com) |
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31 * @license http://framework.zend.com/license/new-bsd New BSD License |
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32 */ |
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33 class Zend_Validate_NotEmpty extends Zend_Validate_Abstract |
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34 { |
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35 const BOOLEAN = 1; |
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36 const INTEGER = 2; |
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37 const FLOAT = 4; |
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38 const STRING = 8; |
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39 const ZERO = 16; |
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40 const EMPTY_ARRAY = 32; |
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41 const NULL = 64; |
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42 const PHP = 127; |
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43 const SPACE = 128; |
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44 const OBJECT = 256; |
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45 const OBJECT_STRING = 512; |
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46 const OBJECT_COUNT = 1024; |
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47 const ALL = 2047; |
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48 |
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49 const INVALID = 'notEmptyInvalid'; |
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50 const IS_EMPTY = 'isEmpty'; |
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51 |
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52 protected $_constants = array( |
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53 self::BOOLEAN => 'boolean', |
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54 self::INTEGER => 'integer', |
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55 self::FLOAT => 'float', |
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56 self::STRING => 'string', |
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57 self::ZERO => 'zero', |
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58 self::EMPTY_ARRAY => 'array', |
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59 self::NULL => 'null', |
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60 self::PHP => 'php', |
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61 self::SPACE => 'space', |
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62 self::OBJECT => 'object', |
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63 self::OBJECT_STRING => 'objectstring', |
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64 self::OBJECT_COUNT => 'objectcount', |
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65 self::ALL => 'all', |
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66 ); |
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67 |
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68 /** |
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69 * @var array |
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70 */ |
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71 protected $_messageTemplates = array( |
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72 self::IS_EMPTY => "Value is required and can't be empty", |
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73 self::INVALID => "Invalid type given. String, integer, float, boolean or array expected", |
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74 ); |
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75 |
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76 /** |
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77 * Internal type to detect |
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78 * |
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79 * @var integer |
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80 */ |
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81 protected $_type = 493; |
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82 |
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83 /** |
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84 * Constructor |
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85 * |
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86 * @param string|array|Zend_Config $options OPTIONAL |
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87 */ |
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88 public function __construct($options = null) |
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89 { |
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90 if ($options instanceof Zend_Config) { |
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91 $options = $options->toArray(); |
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92 } else if (!is_array($options)) { |
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93 $options = func_get_args(); |
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94 $temp = array(); |
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95 if (!empty($options)) { |
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96 $temp['type'] = array_shift($options); |
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97 } |
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98 |
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99 $options = $temp; |
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100 } |
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101 |
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102 if (is_array($options) && array_key_exists('type', $options)) { |
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103 $this->setType($options['type']); |
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104 } |
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105 } |
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106 |
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107 /** |
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108 * Returns the set types |
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109 * |
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110 * @return array |
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111 */ |
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112 public function getType() |
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113 { |
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114 return $this->_type; |
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115 } |
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116 |
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117 /** |
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118 * Set the types |
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119 * |
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120 * @param integer|array $type |
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121 * @throws Zend_Validate_Exception |
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122 * @return Zend_Validate_NotEmpty |
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123 */ |
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124 public function setType($type = null) |
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125 { |
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126 if (is_array($type)) { |
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127 $detected = 0; |
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128 foreach($type as $value) { |
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129 if (is_int($value)) { |
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130 $detected += $value; |
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131 } else if (in_array($value, $this->_constants)) { |
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132 $detected += array_search($value, $this->_constants); |
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133 } |
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134 } |
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135 |
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136 $type = $detected; |
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137 } else if (is_string($type) && in_array($type, $this->_constants)) { |
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138 $type = array_search($type, $this->_constants); |
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139 } |
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140 |
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141 if (!is_int($type) || ($type < 0) || ($type > self::ALL)) { |
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142 require_once 'Zend/Validate/Exception.php'; |
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143 throw new Zend_Validate_Exception('Unknown type'); |
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144 } |
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145 |
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146 $this->_type = $type; |
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147 return $this; |
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148 } |
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149 |
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150 /** |
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151 * Defined by Zend_Validate_Interface |
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152 * |
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153 * Returns true if and only if $value is not an empty value. |
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154 * |
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155 * @param string $value |
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156 * @return boolean |
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157 */ |
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158 public function isValid($value) |
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159 { |
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160 if ($value !== null && !is_string($value) && !is_int($value) && !is_float($value) && |
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161 !is_bool($value) && !is_array($value) && !is_object($value)) { |
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162 $this->_error(self::INVALID); |
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163 return false; |
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164 } |
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165 |
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166 $type = $this->getType(); |
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167 $this->_setValue($value); |
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168 $object = false; |
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169 |
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170 // OBJECT_COUNT (countable object) |
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171 if ($type >= self::OBJECT_COUNT) { |
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172 $type -= self::OBJECT_COUNT; |
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173 $object = true; |
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174 |
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175 if (is_object($value) && ($value instanceof Countable) && (count($value) == 0)) { |
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176 $this->_error(self::IS_EMPTY); |
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177 return false; |
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178 } |
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179 } |
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180 |
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181 // OBJECT_STRING (object's toString) |
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182 if ($type >= self::OBJECT_STRING) { |
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183 $type -= self::OBJECT_STRING; |
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184 $object = true; |
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185 |
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186 if ((is_object($value) && (!method_exists($value, '__toString'))) || |
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187 (is_object($value) && (method_exists($value, '__toString')) && (((string) $value) == ""))) { |
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188 $this->_error(self::IS_EMPTY); |
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189 return false; |
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190 } |
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191 } |
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192 |
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193 // OBJECT (object) |
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194 if ($type >= self::OBJECT) { |
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195 $type -= self::OBJECT; |
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196 // fall trough, objects are always not empty |
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197 } else if ($object === false) { |
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198 // object not allowed but object given -> return false |
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199 if (is_object($value)) { |
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200 $this->_error(self::IS_EMPTY); |
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201 return false; |
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202 } |
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203 } |
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204 |
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205 // SPACE (' ') |
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206 if ($type >= self::SPACE) { |
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207 $type -= self::SPACE; |
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208 if (is_string($value) && (preg_match('/^\s+$/s', $value))) { |
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209 $this->_error(self::IS_EMPTY); |
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210 return false; |
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211 } |
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212 } |
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213 |
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214 // NULL (null) |
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215 if ($type >= self::NULL) { |
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216 $type -= self::NULL; |
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217 if ($value === null) { |
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218 $this->_error(self::IS_EMPTY); |
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219 return false; |
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220 } |
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221 } |
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222 |
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223 // EMPTY_ARRAY (array()) |
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224 if ($type >= self::EMPTY_ARRAY) { |
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225 $type -= self::EMPTY_ARRAY; |
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226 if (is_array($value) && ($value == array())) { |
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227 $this->_error(self::IS_EMPTY); |
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228 return false; |
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229 } |
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230 } |
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231 |
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232 // ZERO ('0') |
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233 if ($type >= self::ZERO) { |
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234 $type -= self::ZERO; |
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235 if (is_string($value) && ($value == '0')) { |
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236 $this->_error(self::IS_EMPTY); |
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237 return false; |
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238 } |
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239 } |
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240 |
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241 // STRING ('') |
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242 if ($type >= self::STRING) { |
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243 $type -= self::STRING; |
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244 if (is_string($value) && ($value == '')) { |
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245 $this->_error(self::IS_EMPTY); |
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246 return false; |
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247 } |
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248 } |
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249 |
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250 // FLOAT (0.0) |
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251 if ($type >= self::FLOAT) { |
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252 $type -= self::FLOAT; |
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253 if (is_float($value) && ($value == 0.0)) { |
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254 $this->_error(self::IS_EMPTY); |
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255 return false; |
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256 } |
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257 } |
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258 |
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259 // INTEGER (0) |
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260 if ($type >= self::INTEGER) { |
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261 $type -= self::INTEGER; |
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262 if (is_int($value) && ($value == 0)) { |
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263 $this->_error(self::IS_EMPTY); |
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264 return false; |
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265 } |
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266 } |
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267 |
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268 // BOOLEAN (false) |
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269 if ($type >= self::BOOLEAN) { |
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270 $type -= self::BOOLEAN; |
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271 if (is_bool($value) && ($value == false)) { |
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272 $this->_error(self::IS_EMPTY); |
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273 return false; |
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274 } |
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275 } |
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276 |
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277 return true; |
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278 } |
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279 } |