<?php

/**

 * These functions are needed to load WordPress.

 *

 * @package WordPress

 */

/**

 * Turn register globals off.

 *

 * @since 2.1.0

 * @access private

 */

function wp_unregister_GLOBALS() {

	if ( !ini_get( 'register_globals' ) )

		return;

	if ( isset( $_REQUEST['GLOBALS'] ) )

		die( 'GLOBALS overwrite attempt detected' );

	// Variables that shouldn't be unset

	$no_unset = array( 'GLOBALS', '_GET', '_POST', '_COOKIE', '_REQUEST', '_SERVER', '_ENV', '_FILES', 'table_prefix' );

	$input = array_merge( $_GET, $_POST, $_COOKIE, $_SERVER, $_ENV, $_FILES, isset( $_SESSION ) && is_array( $_SESSION ) ? $_SESSION : array() );

	foreach ( $input as $k => $v )

		if ( !in_array( $k, $no_unset ) && isset( $GLOBALS[$k] ) ) {

			unset( $GLOBALS[$k] );

		}

}

/**

 * Fix `$_SERVER` variables for various setups.

 *

 * @since 3.0.0

 * @access private

 *

 * @global string $PHP_SELF The filename of the currently executing script,

 *                          relative to the document root.

 */

function wp_fix_server_vars() {

	global $PHP_SELF;

	$default_server_values = array(

		'SERVER_SOFTWARE' => '',

		'REQUEST_URI' => '',

	);

	$_SERVER = array_merge( $default_server_values, $_SERVER );

	// Fix for IIS when running with PHP ISAPI

	if ( empty( $_SERVER['REQUEST_URI'] ) || ( PHP_SAPI != 'cgi-fcgi' && preg_match( '/^Microsoft-IIS\//', $_SERVER['SERVER_SOFTWARE'] ) ) ) {

		// IIS Mod-Rewrite

		if ( isset( $_SERVER['HTTP_X_ORIGINAL_URL'] ) ) {

			$_SERVER['REQUEST_URI'] = $_SERVER['HTTP_X_ORIGINAL_URL'];

		}

		// IIS Isapi_Rewrite

		elseif ( isset( $_SERVER['HTTP_X_REWRITE_URL'] ) ) {

			$_SERVER['REQUEST_URI'] = $_SERVER['HTTP_X_REWRITE_URL'];

		} else {

			// Use ORIG_PATH_INFO if there is no PATH_INFO

			if ( !isset( $_SERVER['PATH_INFO'] ) && isset( $_SERVER['ORIG_PATH_INFO'] ) )

				$_SERVER['PATH_INFO'] = $_SERVER['ORIG_PATH_INFO'];

			// Some IIS + PHP configurations puts the script-name in the path-info (No need to append it twice)

			if ( isset( $_SERVER['PATH_INFO'] ) ) {

				if ( $_SERVER['PATH_INFO'] == $_SERVER['SCRIPT_NAME'] )

					$_SERVER['REQUEST_URI'] = $_SERVER['PATH_INFO'];

				else

					$_SERVER['REQUEST_URI'] = $_SERVER['SCRIPT_NAME'] . $_SERVER['PATH_INFO'];

			}

			// Append the query string if it exists and isn't null

			if ( ! empty( $_SERVER['QUERY_STRING'] ) ) {

				$_SERVER['REQUEST_URI'] .= '?' . $_SERVER['QUERY_STRING'];

			}

		}

	}

	// Fix for PHP as CGI hosts that set SCRIPT_FILENAME to something ending in php.cgi for all requests

	if ( isset( $_SERVER['SCRIPT_FILENAME'] ) && ( strpos( $_SERVER['SCRIPT_FILENAME'], 'php.cgi' ) == strlen( $_SERVER['SCRIPT_FILENAME'] ) - 7 ) )

		$_SERVER['SCRIPT_FILENAME'] = $_SERVER['PATH_TRANSLATED'];

	// Fix for Dreamhost and other PHP as CGI hosts

	if ( strpos( $_SERVER['SCRIPT_NAME'], 'php.cgi' ) !== false )

		unset( $_SERVER['PATH_INFO'] );

	// Fix empty PHP_SELF

	$PHP_SELF = $_SERVER['PHP_SELF'];

	if ( empty( $PHP_SELF ) )

		$_SERVER['PHP_SELF'] = $PHP_SELF = preg_replace( '/(\?.*)?$/', '', $_SERVER["REQUEST_URI"] );

}

/**

 * Check for the required PHP version, and the MySQL extension or

 * a database drop-in.

 *

 * Dies if requirements are not met.

 *

 * @since 3.0.0

 * @access private

 *

 * @global string $required_php_version The required PHP version string.

 * @global string $wp_version           The WordPress version string.

 */

function wp_check_php_mysql_versions() {

	global $required_php_version, $wp_version;

	$php_version = phpversion();

	if ( version_compare( $required_php_version, $php_version, '>' ) ) {

		wp_load_translations_early();

		header( 'Content-Type: text/html; charset=utf-8' );

		die( sprintf( __( 'Your server is running PHP version %1$s but WordPress %2$s requires at least %3$s.' ), $php_version, $wp_version, $required_php_version ) );

	}

		wp_load_translations_early();

		die( __( 'Your PHP installation appears to be missing the MySQL extension which is required by WordPress.' ) );

	}

}

/**

 * Don't load all of WordPress when handling a favicon.ico request.

 *

 * Instead, send the headers for a zero-length favicon and bail.

 *

 * @since 3.0.0

 */

function wp_favicon_request() {

	if ( '/favicon.ico' == $_SERVER['REQUEST_URI'] ) {

		header('Content-Type: image/vnd.microsoft.icon');

		exit;

	}

}

/**

 * Die with a maintenance message when conditions are met.

 *

 * Checks for a file in the WordPress root directory named ".maintenance".

 * This file will contain the variable $upgrading, set to the time the file

 * was created. If the file was created less than 10 minutes ago, WordPress

 * enters maintenance mode and displays a message.

 *

 * The default message can be replaced by using a drop-in (maintenance.php in

 * the wp-content directory).

 *

 * @since 3.0.0

 * @access private

 *

 * @global int $upgrading the unix timestamp marking when upgrading WordPress began.

 */

function wp_maintenance() {

		return;

	global $upgrading;

	include( ABSPATH . '.maintenance' );

	// If the $upgrading timestamp is older than 10 minutes, don't die.

	if ( ( time() - $upgrading ) >= 600 )

		return;

	if ( file_exists( WP_CONTENT_DIR . '/maintenance.php' ) ) {

		require_once( WP_CONTENT_DIR . '/maintenance.php' );

		die();

	}

	wp_load_translations_early();

	header( "$protocol 503 Service Unavailable", true, 503 );

	header( 'Content-Type: text/html; charset=utf-8' );

	header( 'Retry-After: 600' );

?>

	<!DOCTYPE html>

	<html xmlns="http://www.w3.org/1999/xhtml"<?php if ( is_rtl() ) echo ' dir="rtl"'; ?>>

	<head>

	<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />

		<title><?php _e( 'Maintenance' ); ?></title>

	</head>

	<body>

		<h1><?php _e( 'Briefly unavailable for scheduled maintenance. Check back in a minute.' ); ?></h1>

	</body>

	</html>

<?php

	die();

}

/**

 * Start the WordPress micro-timer.

 *

 * @since 0.71

 * @access private

 *

 * @global float $timestart Unix timestamp set at the beginning of the page load.

 * @see timer_stop()

 *

 * @return bool Always returns true.

 */

function timer_start() {

	global $timestart;

	$timestart = microtime( true );

	return true;

}

/**

 * Retrieve or display the time from the page start to when function is called.

 *

 * @since 0.71

 *

 * @global float   $timestart Seconds from when timer_start() is called.

 * @global float   $timeend   Seconds from when function is called.

 *

 * @param int|bool $display   Whether to echo or return the results. Accepts 0|false for return,

 *                            1|true for echo. Default 0|false.

 * @param int      $precision The number of digits from the right of the decimal to display.

 *                            Default 3.

 * @return string The "second.microsecond" finished time calculation. The number is formatted

 *                for human consumption, both localized and rounded.

 */

function timer_stop( $display = 0, $precision = 3 ) {

	global $timestart, $timeend;

	$timeend = microtime( true );

	$timetotal = $timeend - $timestart;

	$r = ( function_exists( 'number_format_i18n' ) ) ? number_format_i18n( $timetotal, $precision ) : number_format( $timetotal, $precision );

	if ( $display )

		echo $r;

	return $r;

}

/**

 * Set PHP error reporting based on WordPress debug settings.

 *

 * Uses three constants: `WP_DEBUG`, `WP_DEBUG_DISPLAY`, and `WP_DEBUG_LOG`.

 *

 * When `WP_DEBUG` is true, all PHP notices are reported. WordPress will also

 * display internal notices: when a deprecated WordPress function, function

 * argument, or file is used. Deprecated code may be removed from a later

 * version.

 *

 * It is strongly recommended that plugin and theme developers use `WP_DEBUG`

 * in their development environments.

 *

 * `WP_DEBUG_DISPLAY` and `WP_DEBUG_LOG` perform no function unless `WP_DEBUG`

 * is true.

 *

 * When `WP_DEBUG_DISPLAY` is true, WordPress will force errors to be displayed.

 * `WP_DEBUG_DISPLAY` defaults to true. Defining it as null prevents WordPress

 * from changing the global configuration setting. Defining `WP_DEBUG_DISPLAY`

 * as false will force errors to be hidden.

 *

 * When `WP_DEBUG_LOG` is true, errors will be logged to debug.log in the content

 * directory.

 *

 *

 * @since 3.0.0

 * @access private

 */

function wp_debug_mode() {

	if ( WP_DEBUG ) {

		error_reporting( E_ALL );

		if ( WP_DEBUG_DISPLAY )

			ini_set( 'display_errors', 1 );

		elseif ( null !== WP_DEBUG_DISPLAY )

			ini_set( 'display_errors', 0 );

		if ( WP_DEBUG_LOG ) {

			ini_set( 'log_errors', 1 );

			ini_set( 'error_log', WP_CONTENT_DIR . '/debug.log' );

		}

	} else {

		error_reporting( E_CORE_ERROR | E_CORE_WARNING | E_COMPILE_ERROR | E_ERROR | E_WARNING | E_PARSE | E_USER_ERROR | E_USER_WARNING | E_RECOVERABLE_ERROR );

	}

}

/**

 * Set the location of the language directory.

 *

 * To set directory manually, define the `WP_LANG_DIR` constant

 * in wp-config.php.

 *

 * If the language directory exists within `WP_CONTENT_DIR`, it

 * is used. Otherwise the language directory is assumed to live

 * in `WPINC`.

 *

 * @since 3.0.0

 * @access private

 */

function wp_set_lang_dir() {

	if ( !defined( 'WP_LANG_DIR' ) ) {

		if ( file_exists( WP_CONTENT_DIR . '/languages' ) && @is_dir( WP_CONTENT_DIR . '/languages' ) || !@is_dir(ABSPATH . WPINC . '/languages') ) {

			/**

			 * Server path of the language directory.

			 *

			 * No leading slash, no trailing slash, full path, not relative to ABSPATH

			 *

			 * @since 2.1.0

			 */

			define( 'WP_LANG_DIR', WP_CONTENT_DIR . '/languages' );

			if ( !defined( 'LANGDIR' ) ) {

				define( 'LANGDIR', 'wp-content/languages' );

			}

		} else {

			/**

			 * Server path of the language directory.

			 *

			 * No leading slash, no trailing slash, full path, not relative to `ABSPATH`.

			 *

			 * @since 2.1.0

			 */

			define( 'WP_LANG_DIR', ABSPATH . WPINC . '/languages' );

			if ( !defined( 'LANGDIR' ) ) {

				define( 'LANGDIR', WPINC . '/languages' );

			}

		}

	}

}

/**

 * Load the database class file and instantiate the `$wpdb` global.

 *

 * @since 2.5.0

 *

 * @global wpdb $wpdb The WordPress database class.

 */

function require_wp_db() {

	global $wpdb;

	require_once( ABSPATH . WPINC . '/wp-db.php' );

	if ( file_exists( WP_CONTENT_DIR . '/db.php' ) )

		require_once( WP_CONTENT_DIR . '/db.php' );

		return;

	$wpdb = new wpdb( DB_USER, DB_PASSWORD, DB_NAME, DB_HOST );

}

/**

 * Set the database table prefix and the format specifiers for database

 * table columns.

 *

 * Columns not listed here default to `%s`.

 *

 * @since 3.0.0

 * @access private

 *

 * @global wpdb   $wpdb         The WordPress database class.

 * @global string $table_prefix The database table prefix.

 */

function wp_set_wpdb_vars() {

	global $wpdb, $table_prefix;

	if ( !empty( $wpdb->error ) )

		dead_db();