444 lines
14 KiB
PHP
444 lines
14 KiB
PHP
<?php
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/**
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* These functions are needed to load WordPress.
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*
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* @package WordPress
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*/
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/**
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* Turn register globals off.
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*
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* @access private
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* @since 2.1.0
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* @return null Will return null if register_globals PHP directive was disabled
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*/
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function wp_unregister_GLOBALS() {
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if ( !ini_get('register_globals') )
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return;
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if ( isset($_REQUEST['GLOBALS']) )
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die('GLOBALS overwrite attempt detected');
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// Variables that shouldn't be unset
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$noUnset = array('GLOBALS', '_GET', '_POST', '_COOKIE', '_REQUEST', '_SERVER', '_ENV', '_FILES', 'table_prefix');
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$input = array_merge($_GET, $_POST, $_COOKIE, $_SERVER, $_ENV, $_FILES, isset($_SESSION) && is_array($_SESSION) ? $_SESSION : array());
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foreach ( $input as $k => $v )
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if ( !in_array($k, $noUnset) && isset($GLOBALS[$k]) ) {
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$GLOBALS[$k] = NULL;
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unset($GLOBALS[$k]);
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}
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}
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function wp_fix_server_vars() {
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global $PHP_SELF;
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// Fix for IIS when running with PHP ISAPI
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if ( empty( $_SERVER['REQUEST_URI'] ) || ( php_sapi_name() != 'cgi-fcgi' && preg_match( '/^Microsoft-IIS\//', $_SERVER['SERVER_SOFTWARE'] ) ) ) {
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// IIS Mod-Rewrite
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if (isset($_SERVER['HTTP_X_ORIGINAL_URL'])) {
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$_SERVER['REQUEST_URI'] = $_SERVER['HTTP_X_ORIGINAL_URL'];
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}
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// IIS Isapi_Rewrite
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else if (isset($_SERVER['HTTP_X_REWRITE_URL'])) {
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$_SERVER['REQUEST_URI'] = $_SERVER['HTTP_X_REWRITE_URL'];
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}
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else
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{
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// Use ORIG_PATH_INFO if there is no PATH_INFO
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if ( !isset($_SERVER['PATH_INFO']) && isset($_SERVER['ORIG_PATH_INFO']) )
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$_SERVER['PATH_INFO'] = $_SERVER['ORIG_PATH_INFO'];
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// Some IIS + PHP configurations puts the script-name in the path-info (No need to append it twice)
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if ( isset($_SERVER['PATH_INFO']) ) {
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if ( $_SERVER['PATH_INFO'] == $_SERVER['SCRIPT_NAME'] )
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$_SERVER['REQUEST_URI'] = $_SERVER['PATH_INFO'];
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else
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$_SERVER['REQUEST_URI'] = $_SERVER['SCRIPT_NAME'] . $_SERVER['PATH_INFO'];
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}
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// Append the query string if it exists and isn't null
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if (isset($_SERVER['QUERY_STRING']) && !empty($_SERVER['QUERY_STRING'])) {
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$_SERVER['REQUEST_URI'] .= '?' . $_SERVER['QUERY_STRING'];
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}
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}
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}
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// Fix for PHP as CGI hosts that set SCRIPT_FILENAME to something ending in php.cgi for all requests
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if ( isset($_SERVER['SCRIPT_FILENAME']) && ( strpos($_SERVER['SCRIPT_FILENAME'], 'php.cgi') == strlen($_SERVER['SCRIPT_FILENAME']) - 7 ) )
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$_SERVER['SCRIPT_FILENAME'] = $_SERVER['PATH_TRANSLATED'];
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// Fix for Dreamhost and other PHP as CGI hosts
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if (strpos($_SERVER['SCRIPT_NAME'], 'php.cgi') !== false)
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unset($_SERVER['PATH_INFO']);
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// Fix empty PHP_SELF
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$PHP_SELF = $_SERVER['PHP_SELF'];
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if ( empty($PHP_SELF) )
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$_SERVER['PHP_SELF'] = $PHP_SELF = preg_replace("/(\?.*)?$/",'',$_SERVER["REQUEST_URI"]);
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}
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function wp_check_php_mysql_versions() {
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// we can probably extend this function to check if wp_die() exists then use translated strings, and then use it in install.php etc.
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global $required_php_version, $wp_version;
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$php_version = phpversion();
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if ( version_compare( $required_php_version, $php_version, '>' ) )
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die( sprintf( /*WP_I18N_OLD_PHP*/'Your server is running PHP version %1$s but WordPress %2%s requires at least %2%s.'/*/WP_I18N_OLD_PHP*/, $php_version, $wp_version, $required_php_version ) );
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if ( !extension_loaded('mysql') && !file_exists(WP_CONTENT_DIR . '/db.php') )
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die( /*WP_I18N_OLD_MYSQL*/'Your PHP installation appears to be missing the MySQL extension which is required by WordPress.'/*/WP_I18N_OLD_MYSQL*/ );
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}
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function wp_maintenance() {
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if ( file_exists(ABSPATH . '.maintenance') && !defined('WP_INSTALLING') ) {
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include(ABSPATH . '.maintenance');
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// If the $upgrading timestamp is older than 10 minutes, don't die.
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if ( ( time() - $upgrading ) < 600 ) {
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if ( file_exists( WP_CONTENT_DIR . '/maintenance.php' ) ) {
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require_once( WP_CONTENT_DIR . '/maintenance.php' );
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die();
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}
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$protocol = $_SERVER["SERVER_PROTOCOL"];
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if ( 'HTTP/1.1' != $protocol && 'HTTP/1.0' != $protocol )
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$protocol = 'HTTP/1.0';
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header( "$protocol 503 Service Unavailable", true, 503 );
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header( 'Content-Type: text/html; charset=utf-8' );
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header( 'Retry-After: 600' );
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?>
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<title>Maintenance</title>
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</head>
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<body>
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<h1>Briefly unavailable for scheduled maintenance. Check back in a minute.</h1>
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</body>
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</html>
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<?php
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die();
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}
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}
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}
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/**
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* PHP 4 standard microtime start capture.
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*
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* @access private
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* @since 0.71
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* @global int $timestart Seconds and Microseconds added together from when function is called.
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* @return bool Always returns true.
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*/
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function timer_start() {
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global $timestart;
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$mtime = explode(' ', microtime() );
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$mtime = $mtime[1] + $mtime[0];
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$timestart = $mtime;
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return true;
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}
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/**
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* Return and/or display the time from the page start to when function is called.
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*
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* You can get the results and print them by doing:
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* <code>
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* $nTimePageTookToExecute = timer_stop();
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* echo $nTimePageTookToExecute;
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* </code>
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*
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* Or instead, you can do:
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* <code>
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* timer_stop(1);
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* </code>
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* which will do what the above does. If you need the result, you can assign it to a variable, but
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* most cases, you only need to echo it.
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*
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* @since 0.71
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* @global int $timestart Seconds and Microseconds added together from when timer_start() is called
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* @global int $timeend Seconds and Microseconds added together from when function is called
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*
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* @param int $display Use '0' or null to not echo anything and 1 to echo the total time
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* @param int $precision The amount of digits from the right of the decimal to display. Default is 3.
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* @return float The "second.microsecond" finished time calculation
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*/
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function timer_stop($display = 0, $precision = 3) { //if called like timer_stop(1), will echo $timetotal
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global $timestart, $timeend;
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$mtime = microtime();
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$mtime = explode(' ',$mtime);
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$mtime = $mtime[1] + $mtime[0];
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$timeend = $mtime;
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$timetotal = $timeend-$timestart;
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$r = ( function_exists('number_format_i18n') ) ? number_format_i18n($timetotal, $precision) : number_format($timetotal, $precision);
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if ( $display )
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echo $r;
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return $r;
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}
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function wp_debug_mode() {
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if ( WP_DEBUG ) {
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if ( defined('E_DEPRECATED') )
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error_reporting(E_ALL & ~E_DEPRECATED & ~E_STRICT);
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else
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error_reporting(E_ALL);
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if ( WP_DEBUG_DISPLAY )
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ini_set('display_errors', 1);
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if ( WP_DEBUG_LOG ) {
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ini_set('log_errors', 1);
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ini_set('error_log', WP_CONTENT_DIR . '/debug.log');
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}
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} else {
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if ( defined('E_RECOVERABLE_ERROR') )
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error_reporting(E_ERROR | E_WARNING | E_PARSE | E_USER_ERROR | E_USER_WARNING | E_RECOVERABLE_ERROR);
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else
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error_reporting(E_ERROR | E_WARNING | E_PARSE | E_USER_ERROR | E_USER_WARNING);
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}
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}
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function wp_set_lang_dir() {
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if ( !defined('WP_LANG_DIR') ) {
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/**
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* Stores the location of the language directory. First looks for language folder in WP_CONTENT_DIR
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* and uses that folder if it exists. Or it uses the "languages" folder in WPINC.
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*
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* @since 2.1.0
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*/
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if ( file_exists(WP_CONTENT_DIR . '/languages') && @is_dir(WP_CONTENT_DIR . '/languages') ) {
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define('WP_LANG_DIR', WP_CONTENT_DIR . '/languages'); // no leading slash, no trailing slash, full path, not relative to ABSPATH
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if (!defined('LANGDIR')) {
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// Old static relative path maintained for limited backwards compatibility - won't work in some cases
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define('LANGDIR', 'wp-content/languages');
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}
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} else {
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define('WP_LANG_DIR', ABSPATH . WPINC . '/languages'); // no leading slash, no trailing slash, full path, not relative to ABSPATH
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if (!defined('LANGDIR')) {
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// Old relative path maintained for backwards compatibility
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define('LANGDIR', WPINC . '/languages');
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}
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}
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}
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}
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function wp_set_wpdb_vars() {
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global $wpdb, $table_prefix;
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if ( !empty($wpdb->error) )
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dead_db();
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/**
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* Format specifiers for DB columns. Columns not listed here default to %s.
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* @since 2.8.0
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* @see wpdb:$field_types
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* @see wpdb:prepare()
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* @see wpdb:insert()
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* @see wpdb:update()
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*/
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$wpdb->field_types = array( 'post_author' => '%d', 'post_parent' => '%d', 'menu_order' => '%d', 'term_id' => '%d', 'term_group' => '%d', 'term_taxonomy_id' => '%d',
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'parent' => '%d', 'count' => '%d','object_id' => '%d', 'term_order' => '%d', 'ID' => '%d', 'commment_ID' => '%d', 'comment_post_ID' => '%d', 'comment_parent' => '%d',
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'user_id' => '%d', 'link_id' => '%d', 'link_owner' => '%d', 'link_rating' => '%d', 'option_id' => '%d', 'blog_id' => '%d', 'meta_id' => '%d', 'post_id' => '%d',
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'user_status' => '%d', 'umeta_id' => '%d', 'comment_karma' => '%d', 'comment_count' => '%d');
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$prefix = $wpdb->set_prefix($table_prefix);
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if ( is_wp_error($prefix) )
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wp_die(/*WP_I18N_BAD_PREFIX*/'<strong>ERROR</strong>: <code>$table_prefix</code> in <code>wp-config.php</code> can only contain numbers, letters, and underscores.'/*/WP_I18N_BAD_PREFIX*/);
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}
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function wp_start_object_cache() {
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global $_wp_using_ext_object_cache;
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if ( file_exists(WP_CONTENT_DIR . '/object-cache.php') ) {
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require_once (WP_CONTENT_DIR . '/object-cache.php');
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$_wp_using_ext_object_cache = true;
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} else {
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require_once (ABSPATH . WPINC . '/cache.php');
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$_wp_using_ext_object_cache = false;
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}
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wp_cache_init();
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if ( function_exists('wp_cache_add_global_groups') ) {
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wp_cache_add_global_groups(array ('users', 'userlogins', 'usermeta', 'site-transient', 'site-options', 'site-lookup', 'blog-lookup', 'blog-details', 'rss'));
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wp_cache_add_non_persistent_groups(array( 'comment', 'counts', 'plugins' ));
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}
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}
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function wp_not_installed() {
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if ( is_multisite() ) {
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if ( !is_blog_installed() && !defined('WP_INSTALLING') )
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die( __( 'The blog you have requested is not installed properly. Please contact the system administrator.' ) ); // have to die here
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} elseif ( !is_blog_installed() && (strpos($_SERVER['PHP_SELF'], 'install.php') === false && !defined('WP_INSTALLING')) ) {
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if ( defined('WP_SITEURL') )
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$link = WP_SITEURL . '/wp-admin/install.php';
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elseif (strpos($_SERVER['PHP_SELF'], 'wp-admin') !== false)
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$link = preg_replace('|/wp-admin/?.*?$|', '/', $_SERVER['PHP_SELF']) . 'wp-admin/install.php';
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else
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$link = preg_replace('|/[^/]+?$|', '/', $_SERVER['PHP_SELF']) . 'wp-admin/install.php';
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require_once(ABSPATH . WPINC . '/kses.php');
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require_once(ABSPATH . WPINC . '/pluggable.php');
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require_once(ABSPATH . WPINC . '/formatting.php');
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wp_redirect($link);
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die();
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}
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}
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function wp_load_mu_plugins() {
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if ( is_dir( WPMU_PLUGIN_DIR ) ) {
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if ( $dh = opendir( WPMU_PLUGIN_DIR ) ) {
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$mu_plugins = array ();
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while ( ( $plugin = readdir( $dh ) ) !== false ) {
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if ( substr( $plugin, -4 ) == '.php' )
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$mu_plugins[] = $plugin;
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}
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closedir( $dh );
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sort( $mu_plugins );
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foreach ( $mu_plugins as $mu_plugin )
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include_once( WPMU_PLUGIN_DIR . '/' . $mu_plugin );
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}
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}
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}
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function wp_load_plugins() {
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// Check for hacks file if the option is enabled
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if ( get_option('hack_file') ) {
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if ( file_exists(ABSPATH . 'my-hacks.php') )
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require(ABSPATH . 'my-hacks.php');
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}
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$current_plugins = apply_filters( 'active_plugins', get_option( 'active_plugins' ) );
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if ( is_array($current_plugins) && !defined('WP_INSTALLING') ) {
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foreach ( $current_plugins as $plugin ) {
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// check the $plugin filename
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// Validate plugin filename
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if ( validate_file($plugin) // $plugin must validate as file
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|| '.php' != substr($plugin, -4) // $plugin must end with '.php'
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|| !file_exists(WP_PLUGIN_DIR . '/' . $plugin) // $plugin must exist
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)
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continue;
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include_once(WP_PLUGIN_DIR . '/' . $plugin);
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}
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unset($plugin);
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}
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unset($current_plugins);
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}
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function wp_set_internal_encoding() {
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/*
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* In most cases the default internal encoding is latin1, which is of no use,
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* since we want to use the mb_ functions for utf-8 strings
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*/
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if (function_exists('mb_internal_encoding')) {
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if (!@mb_internal_encoding(get_option('blog_charset')))
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mb_internal_encoding('UTF-8');
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}
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}
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function wp_magic_quotes() {
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// If already slashed, strip.
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if ( get_magic_quotes_gpc() ) {
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$_GET = stripslashes_deep($_GET );
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$_POST = stripslashes_deep($_POST );
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$_COOKIE = stripslashes_deep($_COOKIE);
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}
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// Escape with wpdb.
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$_GET = add_magic_quotes($_GET );
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$_POST = add_magic_quotes($_POST );
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$_COOKIE = add_magic_quotes($_COOKIE);
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$_SERVER = add_magic_quotes($_SERVER);
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// Force REQUEST to be GET + POST. If SERVER, COOKIE, or ENV are needed, use those superglobals directly.
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$_REQUEST = array_merge($_GET, $_POST);
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}
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function wp_find_locale() {
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global $locale, $locale_file;
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/**
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* The locale of the blog
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* @since 1.5.0
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*/
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$locale = get_locale();
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$locale_file = WP_LANG_DIR . "/$locale.php";
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if ( is_readable($locale_file) )
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require_once($locale_file);
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// Pull in locale data after loading text domain.
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require_once(ABSPATH . WPINC . '/locale.php');
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}
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function wp_load_theme_functions() {
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// Load functions for active theme.
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if ( TEMPLATEPATH !== STYLESHEETPATH && file_exists(STYLESHEETPATH . '/functions.php') )
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include(STYLESHEETPATH . '/functions.php');
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if ( file_exists(TEMPLATEPATH . '/functions.php') )
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include(TEMPLATEPATH . '/functions.php');
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// Load in support for template functions which the theme supports
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require_if_theme_supports( 'post-thumbnails', ABSPATH . WPINC . '/post-thumbnail-template.php' );
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}
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/**
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* Runs just before PHP shuts down execution.
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*
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* @access private
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* @since 1.2.0
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*/
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function shutdown_action_hook() {
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do_action('shutdown');
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wp_cache_close();
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}
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/**
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* Copy an object.
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*
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* Returns a cloned copy of an object.
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*
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* @since 2.7.0
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*
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* @param object $object The object to clone
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* @return object The cloned object
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*/
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function wp_clone( $object ) {
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static $can_clone;
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if ( !isset( $can_clone ) ) {
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$can_clone = version_compare( phpversion(), '5.0', '>=' );
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}
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return $can_clone ? clone( $object ) : $object;
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}
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/**
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* Whether the current request is in WordPress admin Panel
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*
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* Does not inform on whether the user is an admin! Use capability checks to
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* tell if the user should be accessing a section or not.
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*
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* @since 1.5.1
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*
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* @return bool True if inside WordPress administration pages.
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*/
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function is_admin() {
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if ( defined('WP_ADMIN') )
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return WP_ADMIN;
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return false;
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}
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/**
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* Whether Multisite support is enabled
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*
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* @since 3.0
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*
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* @return bool True if multisite is enabled, false otherwise.
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*/
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function is_multisite() {
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if ( ( defined('MULTISITE') && MULTISITE ) || defined('VHOST') || defined('SUNRISE') )
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return true;
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return false;
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}
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?>
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