| <?php |
| /** |
| * These functions are needed to load WordPress. |
| * |
| * @internal This file must be parsable by PHP4. |
| * |
| * @package WordPress |
| */ |
| |
| /** |
| * Turn register globals off. |
| * |
| * @access private |
| * @since 2.1.0 |
| * @return null Will return null if register_globals PHP directive was disabled |
| */ |
| function wp_unregister_GLOBALS() { |
| if ( !ini_get( 'register_globals' ) ) |
| return; |
| |
| if ( isset( $_REQUEST['GLOBALS'] ) ) |
| die( /*WP_I18N_GLOBALS_OVERWRITE*/'GLOBALS overwrite attempt detected'/*/WP_I18N_GLOBALS_OVERWRITE*/ ); |
| |
| // 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] ) ) { |
| $GLOBALS[$k] = null; |
| unset( $GLOBALS[$k] ); |
| } |
| } |
| |
| /** |
| * Fix $_SERVER variables for various setups. |
| * |
| * @access private |
| * @since 3.0.0 |
| */ |
| 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_name() != '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 |
| else if ( 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. |
| * |
| * This function must be able to work without a complete environment set up. In wp-load.php, for |
| * example, WP_CONTENT_DIR is defined and version.php is included before this function is called. |
| * |
| * @access private |
| * @since 3.0.0 |
| */ |
| function wp_check_php_mysql_versions() { |
| // we can probably extend this function to check if wp_die() exists then use translated strings, and then use it in install.php etc. |
| |
| global $required_php_version, $wp_version; |
| $php_version = phpversion(); |
| if ( version_compare( $required_php_version, $php_version, '>' ) ) |
| die( sprintf( /*WP_I18N_OLD_PHP*/'Your server is running PHP version %1$s but WordPress %2$s requires at least %3$s.'/*/WP_I18N_OLD_PHP*/, $php_version, $wp_version, $required_php_version ) ); |
| |
| if ( !extension_loaded( 'mysql' ) && !file_exists( WP_CONTENT_DIR . '/db.php' ) ) |
| die( /*WP_I18N_OLD_MYSQL*/'Your PHP installation appears to be missing the MySQL extension which is required by WordPress.'/*/WP_I18N_OLD_MYSQL*/ ); |
| } |
| |
| /** |
| * 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'); |
| header('Content-Length: 0'); |
| exit; |
| } |
| } |
| |
| /** |
| * Dies 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). |
| * |
| * @access private |
| * @since 3.0.0 |
| */ |
| function wp_maintenance() { |
| if ( !file_exists( ABSPATH . '.maintenance' ) || defined( 'WP_INSTALLING' ) ) |
| 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(); |
| } |
| |
| $protocol = $_SERVER["SERVER_PROTOCOL"]; |
| if ( 'HTTP/1.1' != $protocol && 'HTTP/1.0' != $protocol ) |
| $protocol = 'HTTP/1.0'; |
| header( "$protocol 503 Service Unavailable", true, 503 ); |
| header( 'Content-Type: text/html; charset=utf-8' ); |
| header( 'Retry-After: 600' ); |
| ?> |
| <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> |
| <html xmlns="http://www.w3.org/1999/xhtml"> |
| <head> |
| <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> |
| <title><?php echo /*WP_I18N_MAINTENANCE*/'Maintenance'/*/WP_I18N_MAINTENANCE*/; ?></title> |
| |
| </head> |
| <body> |
| <h1><?php echo /*WP_I18N_MAINT_MSG*/'Briefly unavailable for scheduled maintenance. Check back in a minute.'/*/WP_I18N_MAINT_MSG*/; ?></h1> |
| </body> |
| </html> |
| <?php |
| die(); |
| } |
| |
| /** |
| * PHP 4 standard microtime start capture. |
| * |
| * @access private |
| * @since 0.71 |
| * @global int $timestart Seconds and Microseconds added together from when function is called. |
| * @return bool Always returns true. |
| */ |
| function timer_start() { |
| global $timestart; |
| $mtime = explode( ' ', microtime() ); |
| $timestart = $mtime[1] + $mtime[0]; |
| return true; |
| } |
| |
| /** |
| * Return and/or display the time from the page start to when function is called. |
| * |
| * You can get the results and print them by doing: |
| * <code> |
| * $nTimePageTookToExecute = timer_stop(); |
| * echo $nTimePageTookToExecute; |
| * </code> |
| * |
| * Or instead, you can do: |
| * <code> |
| * timer_stop(1); |
| * </code> |
| * which will do what the above does. If you need the result, you can assign it to a variable, but |
| * most cases, you only need to echo it. |
| * |
| * @since 0.71 |
| * @global int $timestart Seconds and Microseconds added together from when timer_start() is called |
| * @global int $timeend Seconds and Microseconds added together from when function is called |
| * |
| * @param int $display Use '0' or null to not echo anything and 1 to echo the total time |
| * @param int $precision The amount of digits from the right of the decimal to display. Default is 3. |
| * @return float The "second.microsecond" finished time calculation |
| */ |
| function timer_stop( $display = 0, $precision = 3 ) { // if called like timer_stop(1), will echo $timetotal |
| global $timestart, $timeend; |
| $mtime = microtime(); |
| $mtime = explode( ' ', $mtime ); |
| $timeend = $mtime[1] + $mtime[0]; |
| $timetotal = $timeend - $timestart; |
| $r = ( function_exists( 'number_format_i18n' ) ) ? number_format_i18n( $timetotal, $precision ) : number_format( $timetotal, $precision ); |
| if ( $display ) |
| echo $r; |
| return $r; |
| } |
| |
| /** |
| * Sets PHP error handling and handles WordPress debug mode. |
| * |
| * Uses three constants: WP_DEBUG, WP_DEBUG_DISPLAY, and WP_DEBUG_LOG. All three can be |
| * defined in wp-config.php. Example: <code> define( 'WP_DEBUG', true ); </code> |
| * |
| * WP_DEBUG_DISPLAY and WP_DEBUG_LOG perform no function unless WP_DEBUG is true. |
| * WP_DEBUG defaults to false. |
| * |
| * When WP_DEBUG is true, all PHP notices are reported. WordPress will also display |
| * notices, including one 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. |
| * |
| * When WP_DEBUG_DISPLAY is true, WordPress will force errors to be displayed. |
| * WP_DEBUG_DISPLAY defaults to true. Defining it as false prevents WordPress from |
| * changing the global configuration setting. (Defining WP_DEBUG_DISPLAY as false |
| * will never force errors to be hidden.) |
| * |
| * When WP_DEBUG_LOG is true, errors will be logged to wp-content/debug.log. |
| * WP_DEBUG_LOG defaults to false. |
| * |
| * @access private |
| * @since 3.0.0 |
| */ |
| function wp_debug_mode() { |
| if ( WP_DEBUG ) { |
| // E_DEPRECATED is a core PHP constant in PHP 5.3. Don't define this yourself. |
| // The two statements are equivalent, just one is for 5.3+ and for less than 5.3. |
| if ( defined( 'E_DEPRECATED' ) ) |
| error_reporting( E_ALL & ~E_DEPRECATED & ~E_STRICT ); |
| else |
| error_reporting( E_ALL ); |
| |
| if ( WP_DEBUG_DISPLAY ) |
| ini_set( 'display_errors', 1 ); |
| |
| 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 ); |
| } |
| } |
| |
| /** |
| * Sets the location of the language directory. |
| * |
| * To set directory manually, define <code>WP_LANG_DIR</code> in wp-config.php. |
| * |
| * If the language directory exists within WP_CONTENT_DIR that is used |
| * Otherwise if the language directory exists within WPINC, that's used |
| * Finally, If neither of the preceeding directories is found, |
| * WP_CONTENT_DIR/languages is used. |
| * |
| * The WP_LANG_DIR constant was introduced in 2.1.0. |
| * |
| * @access private |
| * @since 3.0.0 |
| */ |
| 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') ) { |
| define( 'WP_LANG_DIR', WP_CONTENT_DIR . '/languages' ); // no leading slash, no trailing slash, full path, not relative to ABSPATH |
| if ( !defined( 'LANGDIR' ) ) { |
| // Old static relative path maintained for limited backwards compatibility - won't work in some cases |
| define( 'LANGDIR', 'wp-content/languages' ); |
| } |
| } else { |
| define( 'WP_LANG_DIR', ABSPATH . WPINC . '/languages' ); // no leading slash, no trailing slash, full path, not relative to ABSPATH |
| if ( !defined( 'LANGDIR' ) ) { |
| // Old relative path maintained for backwards compatibility |
| define( 'LANGDIR', WPINC . '/languages' ); |
| } |
| } |
| } |
| } |
| |
| /** |
| * Load the correct database class file. |
| * |
| * This function is used to load the database class file either at runtime or by |
| * wp-admin/setup-config.php. We must globalize $wpdb to ensure that it is |
| * defined globally by the inline code in wp-db.php. |
| * |
| * @since 2.5.0 |
| * @global $wpdb WordPress Database Object |
| */ |
| 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' ); |
| |
| if ( isset( $wpdb ) ) |
| return; |
| |
| $wpdb = new wpdb( DB_USER, DB_PASSWORD, DB_NAME, DB_HOST ); |
| } |
| |
| /** |
| * Sets the database table prefix and the format specifiers for database table columns. |
| * |
| * Columns not listed here default to %s. |
| * |
| * @see wpdb::$field_types Since 2.8.0 |
| * @see wpdb::prepare() |
| * @see wpdb::insert() |
| * @see wpdb::update() |
| * @see wpdb::set_prefix() |
| * |
| * @access private |
| * @since 3.0.0 |
| */ |
| function wp_set_wpdb_vars() { |
| global $wpdb, $table_prefix; |
| if ( !empty( $wpdb->error ) ) |
| dead_db(); |
| |
| $wpdb->field_types = array( 'post_author' => '%d', 'post_parent' => '%d', 'menu_order' => '%d', 'term_id' => '%d', 'term_group' => '%d', 'term_taxonomy_id' => '%d', |
| 'parent' => '%d', 'count' => '%d','object_id' => '%d', 'term_order' => '%d', 'ID' => '%d', 'commment_ID' => '%d', 'comment_post_ID' => '%d', 'comment_parent' => '%d', |
| 'user_id' => '%d', 'link_id' => '%d', 'link_owner' => '%d', 'link_rating' => '%d', 'option_id' => '%d', 'blog_id' => '%d', 'meta_id' => '%d', 'post_id' => '%d', |
| 'user_status' => '%d', 'umeta_id' => '%d', 'comment_karma' => '%d', 'comment_count' => '%d', |
| // multisite: |
| 'active' => '%d', 'cat_id' => '%d', 'deleted' => '%d', 'lang_id' => '%d', 'mature' => '%d', 'public' => '%d', 'site_id' => '%d', 'spam' => '%d', |
| ); |
| |
| $prefix = $wpdb->set_prefix( $table_prefix ); |
| |
| if ( is_wp_error( $prefix ) ) |
| wp_die( /*WP_I18N_BAD_PREFIX*/'<strong>ERROR</strong>: <code>$table_prefix</code> in <code>wp-config.php</code> can only contain numbers, letters, and underscores.'/*/WP_I18N_BAD_PREFIX*/ ); |
| } |
| |
| /** |
| * Starts the WordPress object cache. |
| * |
| * If an object-cache.php file exists in the wp-content directory, |
| * it uses that drop-in as an external object cache. |
| * |
| * @access private |
| * @since 3.0.0 |
| */ |
| function wp_start_object_cache() { |
| global $_wp_using_ext_object_cache; |
| |
| $first_init = false; |
| if ( ! function_exists( 'wp_cache_init' ) ) { |
| if ( file_exists( WP_CONTENT_DIR . '/object-cache.php' ) ) { |
| require_once ( WP_CONTENT_DIR . '/object-cache.php' ); |
| $_wp_using_ext_object_cache = true; |
| } else { |
| require_once ( ABSPATH . WPINC . '/cache.php' ); |
| $_wp_using_ext_object_cache = false; |
| } |
| $first_init = true; |
| } else if ( !$_wp_using_ext_object_cache && file_exists( WP_CONTENT_DIR . '/object-cache.php' ) ) { |
| // Sometimes advanced-cache.php can load object-cache.php before it is loaded here. |
| // This breaks the function_exists check above and can result in $_wp_using_ext_object_cache |
| // being set incorrectly. Double check if an external cache exists. |
| $_wp_using_ext_object_cache = true; |
| } |
| |
| // If cache supports reset, reset instead of init if already initialized. |
| // Reset signals to the cache that global IDs have changed and it may need to update keys |
| // and cleanup caches. |
| if ( !$first_init && function_exists('wp_cache_reset') ) |
| wp_cache_reset(); |
| else |
| wp_cache_init(); |
| |
| if ( function_exists( 'wp_cache_add_global_groups' ) ) { |
| wp_cache_add_global_groups( array( 'users', 'userlogins', 'usermeta', 'user_meta', 'site-transient', 'site-options', 'site-lookup', 'blog-lookup', 'blog-details', 'rss', 'global-posts' ) ); |
| wp_cache_add_non_persistent_groups( array( 'comment', 'counts', 'plugins' ) ); |
| } |
| } |
| |
| /** |
| * Redirects to the installer if WordPress is not installed. |
| * |
| * Dies with an error message when multisite is enabled. |
| * |
| * @access private |
| * @since 3.0.0 |
| */ |
| function wp_not_installed() { |
| if ( is_multisite() ) { |
| if ( ! is_blog_installed() && ! defined( 'WP_INSTALLING' ) ) |
| wp_die( __( 'The site you have requested is not installed properly. Please contact the system administrator.' ) ); |
| } elseif ( ! is_blog_installed() && false === strpos( $_SERVER['PHP_SELF'], 'install.php' ) && !defined( 'WP_INSTALLING' ) ) { |
| |
| $link = wp_guess_url() . '/wp-admin/install.php'; |
| |
| require( ABSPATH . WPINC . '/kses.php' ); |
| require( ABSPATH . WPINC . '/pluggable.php' ); |
| require( ABSPATH . WPINC . '/formatting.php' ); |
| wp_redirect( $link ); |
| die(); |
| } |
| } |
| |
| /** |
| * Returns array of must-use plugin files to be included in global scope. |
| * |
| * The default directory is wp-content/mu-plugins. To change the default directory |
| * manually, define <code>WPMU_PLUGIN_DIR</code> and <code>WPMU_PLUGIN_URL</code> |
| * in wp-config.php. |
| * |
| * @access private |
| * @since 3.0.0 |
| * @return array Files to include |
| */ |
| function wp_get_mu_plugins() { |
| $mu_plugins = array(); |
| if ( !is_dir( WPMU_PLUGIN_DIR ) ) |
| return $mu_plugins; |
| if ( ! $dh = opendir( WPMU_PLUGIN_DIR ) ) |
| return $mu_plugins; |
| while ( ( $plugin = readdir( $dh ) ) !== false ) { |
| if ( substr( $plugin, -4 ) == '.php' ) |
| $mu_plugins[] = WPMU_PLUGIN_DIR . '/' . $plugin; |
| } |
| closedir( $dh ); |
| sort( $mu_plugins ); |
| |
| return $mu_plugins; |
| } |
| |
| /** |
| * Returns array of plugin files to be included in global scope. |
| * |
| * The default directory is wp-content/plugins. To change the default directory |
| * manually, define <code>WP_PLUGIN_DIR</code> and <code>WP_PLUGIN_URL</code> |
| * in wp-config.php. |
| * |
| * @access private |
| * @since 3.0.0 |
| * @return array Files to include |
| */ |
| function wp_get_active_and_valid_plugins() { |
| $plugins = array(); |
| $active_plugins = (array) get_option( 'active_plugins', array() ); |
| |
| // Check for hacks file if the option is enabled |
| if ( get_option( 'hack_file' ) && file_exists( ABSPATH . 'my-hacks.php' ) ) { |
| _deprecated_file( 'my-hacks.php', '1.5' ); |
| array_unshift( $plugins, ABSPATH . 'my-hacks.php' ); |
| } |
| |
| if ( empty( $active_plugins ) || defined( 'WP_INSTALLING' ) ) |
| return $plugins; |
| |
| $network_plugins = is_multisite() ? wp_get_active_network_plugins() : false; |
| |
| foreach ( $active_plugins as $plugin ) { |
| if ( ! validate_file( $plugin ) // $plugin must validate as file |
| && '.php' == substr( $plugin, -4 ) // $plugin must end with '.php' |
| && file_exists( WP_PLUGIN_DIR . '/' . $plugin ) // $plugin must exist |
| // not already included as a network plugin |
| && ( ! $network_plugins || ! in_array( WP_PLUGIN_DIR . '/' . $plugin, $network_plugins ) ) |
| ) |
| $plugins[] = WP_PLUGIN_DIR . '/' . $plugin; |
| } |
| return $plugins; |
| } |
| |
| /** |
| * Sets internal encoding using mb_internal_encoding(). |
| * |
| * In most cases the default internal encoding is latin1, which is of no use, |
| * since we want to use the mb_ functions for utf-8 strings. |
| * |
| * @access private |
| * @since 3.0.0 |
| */ |
| function wp_set_internal_encoding() { |
| if ( function_exists( 'mb_internal_encoding' ) ) { |
| if ( !@mb_internal_encoding( get_option( 'blog_charset' ) ) ) |
| mb_internal_encoding( 'UTF-8' ); |
| } |
| } |
| |
| /** |
| * Add magic quotes to $_GET, $_POST, $_COOKIE, and $_SERVER. |
| * |
| * Also forces $_REQUEST to be $_GET + $_POST. If $_SERVER, $_COOKIE, |
| * or $_ENV are needed, use those superglobals directly. |
| * |
| * @access private |
| * @since 3.0.0 |
| */ |
| function wp_magic_quotes() { |
| // If already slashed, strip. |
| if ( get_magic_quotes_gpc() ) { |
| $_GET = stripslashes_deep( $_GET ); |
| $_POST = stripslashes_deep( $_POST ); |
| $_COOKIE = stripslashes_deep( $_COOKIE ); |
| } |
| |
| // Escape with wpdb. |
| $_GET = add_magic_quotes( $_GET ); |
| $_POST = add_magic_quotes( $_POST ); |
| $_COOKIE = add_magic_quotes( $_COOKIE ); |
| $_SERVER = add_magic_quotes( $_SERVER ); |
| |
| // Force REQUEST to be GET + POST. |
| $_REQUEST = array_merge( $_GET, $_POST ); |
| } |
| |
| /** |
| * Runs just before PHP shuts down execution. |
| * |
| * @access private |
| * @since 1.2.0 |
| */ |
| function shutdown_action_hook() { |
| do_action( 'shutdown' ); |
| wp_cache_close(); |
| } |
| |
| /** |
| * Copy an object. |
| * |
| * @since 2.7.0 |
| * @deprecated 3.2 |
| * |
| * @param object $object The object to clone |
| * @return object The cloned object |
| */ |
| |
| function wp_clone( $object ) { |
| // Use parens for clone to accommodate PHP 4. See #17880 |
| return clone( $object ); |
| } |
| |
| /** |
| * Whether the current request is for a network or blog admin page |
| * |
| * Does not inform on whether the user is an admin! Use capability checks to |
| * tell if the user should be accessing a section or not. |
| * |
| * @since 1.5.1 |
| * |
| * @return bool True if inside WordPress administration pages. |
| */ |
| function is_admin() { |
| if ( defined( 'WP_ADMIN' ) ) |
| return WP_ADMIN; |
| return false; |
| } |
| |
| /** |
| * Whether the current request is for a blog admin screen /wp-admin/ |
| * |
| * Does not inform on whether the user is a blog admin! Use capability checks to |
| * tell if the user should be accessing a section or not. |
| * |
| * @since 3.1.0 |
| * |
| * @return bool True if inside WordPress network administration pages. |
| */ |
| function is_blog_admin() { |
| if ( defined( 'WP_BLOG_ADMIN' ) ) |
| return WP_BLOG_ADMIN; |
| return false; |
| } |
| |
| /** |
| * Whether the current request is for a network admin screen /wp-admin/network/ |
| * |
| * Does not inform on whether the user is a network admin! Use capability checks to |
| * tell if the user should be accessing a section or not. |
| * |
| * @since 3.1.0 |
| * |
| * @return bool True if inside WordPress network administration pages. |
| */ |
| function is_network_admin() { |
| if ( defined( 'WP_NETWORK_ADMIN' ) ) |
| return WP_NETWORK_ADMIN; |
| return false; |
| } |
| |
| /** |
| * Whether the current request is for a user admin screen /wp-admin/user/ |
| * |
| * Does not inform on whether the user is an admin! Use capability checks to |
| * tell if the user should be accessing a section or not. |
| * |
| * @since 3.1.0 |
| * |
| * @return bool True if inside WordPress user administration pages. |
| */ |
| function is_user_admin() { |
| if ( defined( 'WP_USER_ADMIN' ) ) |
| return WP_USER_ADMIN; |
| return false; |
| } |
| |
| /** |
| * Whether Multisite support is enabled |
| * |
| * @since 3.0.0 |
| * |
| * @return bool True if multisite is enabled, false otherwise. |
| */ |
| function is_multisite() { |
| if ( defined( 'MULTISITE' ) ) |
| return MULTISITE; |
| |
| if ( defined( 'SUBDOMAIN_INSTALL' ) || defined( 'VHOST' ) || defined( 'SUNRISE' ) ) |
| return true; |
| |
| return false; |
| } |
| |
| ?> |