header( 'Content-Type: text/html; charset=utf-8' ); /* translators: 1: Current PHP version number, 2: WordPress version number, 3: Minimum required PHP version number */ printf( __( 'Your server is running PHP version %1$s but WordPress %2$s requires at least %3$s.' ), $php_version, $wp_version, $required_php_version ); exit( 1 ); } if ( ! extension_loaded( 'mysql' ) && ! extension_loaded( 'mysqli' ) && ! extension_loaded( 'mysqlnd' ) && ! file_exists( WP_CONTENT_DIR . '/db.php' ) ) { require_once( ABSPATH . WPINC . '/functions.php' ); wp_load_translations_early(); $args = array( 'exit' => false, 'code' => 'mysql_not_found', ); wp_die( __( 'Your PHP installation appears to be missing the MySQL extension which is required by WordPress.' ), __( 'Insufficient Requirements' ), $args ); exit( 1 ); } } /** * 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() { if ( ! file_exists( ABSPATH . '.maintenance' ) || 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; } /** * Filters whether to enable maintenance mode. * * This filter runs before it can be used by plugins. It is designed for * non-web runtimes. If this filter returns true, maintenance mode will be * active and the request will end. If false, the request will be allowed to * continue processing even if maintenance mode should be active. * * @since 4.6.0 * * @param bool $enable_checks Whether to enable maintenance mode. Default true. * @param int $upgrading The timestamp set in the .maintenance file. */ if ( ! apply_filters( 'enable_maintenance_mode', true, $upgrading ) ) { return; } if ( file_exists( WP_CONTENT_DIR . '/maintenance.php' ) ) { require_once( WP_CONTENT_DIR . '/maintenance.php' ); die(); } require_once( ABSPATH . WPINC . '/functions.php' ); wp_load_translations_early(); header( 'Retry-After: 600' ); wp_die( __( 'Briefly unavailable for scheduled maintenance. Check back in a minute.' ), __( 'Maintenance' ), 503 ); } /** * 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`. * All three can be defined in wp-config.php. By default, `WP_DEBUG` and * `WP_DEBUG_LOG` are set to false, and `WP_DEBUG_DISPLAY` is set to true. * * 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 `wp-content/debug.log`. * When `WP_DEBUG_LOG` is a valid path, errors will be logged to the specified file. * * Errors are never displayed for XML-RPC, REST, and Ajax requests. * * @since 3.0.0 * @since 5.1.0 `WP_DEBUG_LOG` can be a file path. * @access private */ function wp_debug_mode() { /** * Filters whether to allow the debug mode check to occur. * * This filter runs before it can be used by plugins. It is designed for * non-web run-times. Returning false causes the `WP_DEBUG` and related * constants to not be checked and the default php values for errors * will be used unless you take care to update them yourself. * * @since 4.6.0 * * @param bool $enable_debug_mode Whether to enable debug mode checks to occur. Default true. */ if ( ! apply_filters( 'enable_wp_debug_mode_checks', true ) ) { return; } 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 ( in_array( strtolower( (string) WP_DEBUG_LOG ), array( 'true', '1' ), true ) ) { $log_path = WP_CONTENT_DIR . '/debug.log'; } elseif ( is_string( WP_DEBUG_LOG ) ) { $log_path = WP_DEBUG_LOG; } else { $log_path = false; } if ( $log_path ) { ini_set( 'log_errors', 1 ); ini_set( 'error_log', $log_path ); } } else { error_reporting( E_CORE_ERROR | E_CORE_WARNING | E_COMPILE_ERROR | E_ERROR | E_WARNING | E_PARSE | E_USER_ERROR | E_USER_WARNING | E_RECOVERABLE_ERROR ); } if ( defined( 'XMLRPC_REQUEST' ) || defined( 'REST_REQUEST' ) || ( defined( 'WP_INSTALLING' ) && WP_INSTALLING ) || wp_doing_ajax() || wp_is_json_request() ) { @ini_set( 'display_errors', 0 ); } } /** * Set the location of the language directory. * * To set directory manually, define the `WP_LANG_DIR` constant * in wp-config.php. * * If the language directory exists within `WP_CONTENT_DIR`, it * is used. Otherwise the language directory is assumed to live * in `WPINC`. * * @since 3.0.0 * @access private */ function wp_set_lang_dir() { if ( ! defined( 'WP_LANG_DIR' ) ) { if ( file_exists( WP_CONTENT_DIR . '/languages' ) && @is_dir( WP_CONTENT_DIR . '/languages' ) || ! @is_dir( ABSPATH . WPINC . '/languages' ) ) { /** * Server path of the language directory. * * No leading slash, no trailing slash, full path, not relative to ABSPATH * * @since 2.1.0 */ define( 'WP_LANG_DIR', WP_CONTENT_DIR . '/languages' ); if ( ! defined( 'LANGDIR' ) ) { // Old static relative path maintained for limited backward compatibility - won't work in some cases. define( 'LANGDIR', 'wp-content/languages' ); } } else { /** * Server path of the language directory. * * No leading slash, no trailing slash, full path, not relative to `ABSPATH`. * * @since 2.1.0 */ define( 'WP_LANG_DIR', ABSPATH . WPINC . '/languages' ); if ( ! defined( 'LANGDIR' ) ) { // Old relative path maintained for backward compatibility. define( 'LANGDIR', WPINC . '/languages' ); } } } } /** * Load the database class file and instantiate the `$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' ); } if ( isset( $wpdb ) ) { return; } $dbuser = defined( 'DB_USER' ) ? DB_USER : ''; $dbpassword = defined( 'DB_PASSWORD' ) ? DB_PASSWORD : ''; $dbname = defined( 'DB_NAME' ) ? DB_NAME : ''; $dbhost = defined( 'DB_HOST' ) ? DB_HOST : ''; $wpdb = new wpdb( $dbuser, $dbpassword, $dbname, $dbhost ); } /** * 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(); } $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', 'comment_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_load_translations_early(); wp_die( /* translators: 1: $table_prefix, 2: wp-config.php */ sprintf( __( 'ERROR: %1$s in %2$s can only contain numbers, letters, and underscores.' ), '$table_prefix', 'wp-config.php' ) ); } } /** * Toggle `$_wp_using_ext_object_cache` on and off without directly * touching global. * * @since 3.7.0 * * @global bool $_wp_using_ext_object_cache * * @param bool $using Whether external object cache is being used. * @return bool The current 'using' setting. */ function wp_using_ext_object_cache( $using = null ) { global $_wp_using_ext_object_cache; $current_using = $_wp_using_ext_object_cache; if ( null !== $using ) { $_wp_using_ext_object_cache = $using; } return $current_using; } /** * Start 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. * * @since 3.0.0 * @access private * * @global array $wp_filter Stores all of the filters. */ function wp_start_object_cache() { global $wp_filter; static $first_init = true; // Only perform the following checks once. if ( $first_init ) { if ( ! function_exists( 'wp_cache_init' ) ) { /* * This is the normal situation. First-run of this function. No * caching backend has been loaded. * * We try to load a custom caching backend, and then, if it * results in a wp_cache_init() function existing, we note * that an external object cache is being used. */ if ( file_exists( WP_CONTENT_DIR . '/object-cache.php' ) ) { require_once( WP_CONTENT_DIR . '/object-cache.php' ); if ( function_exists( 'wp_cache_init' ) ) { wp_using_ext_object_cache( true ); } // Re-initialize any hooks added manually by object-cache.php if ( $wp_filter ) { $wp_filter = WP_Hook::build_preinitialized_hooks( $wp_filter ); } } } elseif ( ! wp_using_ext_object_cache() && file_exists( WP_CONTENT_DIR . '/object-cache.php' ) ) { /* * Sometimes advanced-cache.php can load object-cache.php before * this function is run. This breaks the function_exists() check * above and can result in wp_using_ext_object_cache() returning * false when actually an external cache is in use. */ wp_using_ext_object_cache( true ); } } if ( ! wp_using_ext_object_cache() ) { require_once( ABSPATH . WPINC . '/cache.php' ); } /* * 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_switch_to_blog' ) ) { wp_cache_switch_to_blog( get_current_blog_id() ); } elseif ( function_exists( 'wp_cache_init' ) ) { wp_cache_init(); } if ( function_exists( 'wp_cache_add_global_groups' ) ) { wp_cache_add_global_groups( array( 'users', 'userlogins', 'usermeta', 'user_meta', 'useremail', 'userslugs', 'site-transient', 'site-options', 'blog-lookup', 'blog-details', 'site-details', 'rss', 'global-posts', 'blog-id-cache', 'networks', 'sites', 'blog_meta' ) ); wp_cache_add_non_persistent_groups( array( 'counts', 'plugins' ) ); } $first_init = false; } /** * Redirect to the installer if WordPress is not installed. * * Dies with an error message when Multisite is enabled. * * @since 3.0.0 * @access private */ function wp_not_installed() { if ( is_multisite() ) { if ( ! is_blog_installed() && ! wp_installing() ) { nocache_headers(); wp_die( __( 'The site you have requested is not installed properly. Please contact the system administrator.' ) ); } } elseif ( ! is_blog_installed() && ! wp_installing() ) { nocache_headers(); require( ABSPATH . WPINC . '/kses.php' ); require( ABSPATH . WPINC . '/pluggable.php' ); $link = wp_guess_url() . '/wp-admin/install.php'; wp_redirect( $link ); die(); } } /** * Retrieve an array of must-use plugin files. * * The default directory is wp-content/mu-plugins. To change the default * directory manually, define `WPMU_PLUGIN_DIR` and `WPMU_PLUGIN_URL` * in wp-config.php. * * @since 3.0.0 * @access private * * @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; } /** * Retrieve an array of active and valid plugin files. * * While upgrading or installing WordPress, no plugins are returned. * * The default directory is `wp-content/plugins`. To change the default * directory manually, define `WP_PLUGIN_DIR` and `WP_PLUGIN_URL` * in `wp-config.php`. * * @since 3.0.0 * @access private * * @return string[] $plugin_file Array of paths to plugin files relative to the plugins directory. */ 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', '1.5.0' ); array_unshift( $plugins, ABSPATH . 'my-hacks.php' ); } if ( empty( $active_plugins ) || 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; } } /* * Remove plugins from the list of active plugins when we're on an endpoint * that should be protected against WSODs and the plugin is paused. */ if ( wp_is_recovery_mode() ) { $plugins = wp_skip_paused_plugins( $plugins ); } return $plugins; } /** * Filters a given list of plugins, removing any paused plugins from it. * * @since 5.2.0 * * @param array $plugins List of absolute plugin main file paths. * @return array Filtered value of $plugins, without any paused plugins. */ function wp_skip_paused_plugins( array $plugins ) { $paused_plugins = wp_paused_plugins()->get_all(); if ( empty( $paused_plugins ) ) { return $plugins; } foreach ( $plugins as $index => $plugin ) { list( $plugin ) = explode( '/', plugin_basename( $plugin ) ); if ( array_key_exists( $plugin, $paused_plugins ) ) { unset( $plugins[ $index ] ); // Store list of paused plugins for displaying an admin notice. $GLOBALS['_paused_plugins'][ $plugin ] = $paused_plugins[ $plugin ]; } } return $plugins; } /** * Retrieves an array of active and valid themes. * * While upgrading or installing WordPress, no themes are returned. * * @since 5.1.0 * @access private * * @return array Array of paths to theme directories. */ function wp_get_active_and_valid_themes() { global $pagenow; $themes = array(); if ( wp_installing() && 'wp-activate.php' !== $pagenow ) { return $themes; } if ( TEMPLATEPATH !== STYLESHEETPATH ) { $themes[] = STYLESHEETPATH; } $themes[] = TEMPLATEPATH; /* * Remove themes from the list of active themes when we're on an endpoint * that should be protected against WSODs and the theme is paused. */ if ( wp_is_recovery_mode() ) { $themes = wp_skip_paused_themes( $themes ); // If no active and valid themes exist, skip loading themes. if ( empty( $themes ) ) { add_filter( 'wp_using_themes', '__return_false' ); } } return $themes; } /** * Filters a given list of themes, removing any paused themes from it. * * @since 5.2.0 * * @param array $themes List of absolute theme directory paths. * @return array Filtered value of $themes, without any paused themes. */ function wp_skip_paused_themes( array $themes ) { $paused_themes = wp_paused_themes()->get_all(); if ( empty( $paused_themes ) ) { return $themes; } foreach ( $themes as $index => $theme ) { $theme = basename( $theme ); if ( array_key_exists( $theme, $paused_themes ) ) { unset( $themes[ $index ] ); // Store list of paused themes for displaying an admin notice. $GLOBALS['_paused_themes'][ $theme ] = $paused_themes[ $theme ]; } } return $themes; } /** * Is WordPress in Recovery Mode. * * In this mode, plugins or themes that cause WSODs will be paused. * * @since 5.2.0 * * @return bool */ function wp_is_recovery_mode() { return wp_recovery_mode()->is_active(); } /** * Determines whether we are currently on an endpoint that should be protected against WSODs. * * @since 5.2.0 * * @return bool True if the current endpoint should be protected. */ function is_protected_endpoint() { // Protect login pages. if ( isset( $GLOBALS['pagenow'] ) && 'wp-login.php' === $GLOBALS['pagenow'] ) { return true; } // Protect the admin backend. if ( is_admin() && ! wp_doing_ajax() ) { return true; } // Protect AJAX actions that could help resolve a fatal error should be available. if ( is_protected_ajax_action() ) { return true; } /** * Filters whether the current request is against a protected endpoint. * * This filter is only fired when an endpoint is requested which is not already protected by * WordPress core. As such, it exclusively allows providing further protected endpoints in * addition to the admin backend, login pages and protected AJAX actions. * * @since 5.2.0 * * @param bool $is_protected_endpoint Whether the currently requested endpoint is protected. Default false. */ return (bool) apply_filters( 'is_protected_endpoint', false ); } /** * Determines whether we are currently handling an AJAX action that should be protected against WSODs. * * @since 5.2.0 * * @return bool True if the current AJAX action should be protected. */ function is_protected_ajax_action() { if ( ! wp_doing_ajax() ) { return false; } if ( ! isset( $_REQUEST['action'] ) ) { return false; } $actions_to_protect = array( 'edit-theme-plugin-file', // Saving changes in the core code editor. 'heartbeat', // Keep the heart beating. 'install-plugin', // Installing a new plugin. 'install-theme', // Installing a new theme. 'search-plugins', // Searching in the list of plugins. 'search-install-plugins', // Searching for a plugin in the plugin install screen. 'update-plugin', // Update an existing plugin. 'update-theme', // Update an existing theme. ); /** * Filters the array of protected AJAX actions. * * This filter is only fired when doing AJAX and the AJAX request has an 'action' property. * * @since 5.2.0 * * @param array $actions_to_protect Array of strings with AJAX actions to protect. */ $actions_to_protect = (array) apply_filters( 'wp_protected_ajax_actions', $actions_to_protect ); if ( ! in_array( $_REQUEST['action'], $actions_to_protect, true ) ) { return false; } return true; } /** * Set 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. * * @since 3.0.0 * @access private */ function wp_set_internal_encoding() { if ( function_exists( 'mb_internal_encoding' ) ) { $charset = get_option( 'blog_charset' ); if ( ! $charset || ! @mb_internal_encoding( $charset ) ) { mb_internal_encoding( 'UTF-8' ); } } } /** * Add magic quotes to `$_GET`, `$_POST`, `$_COOKIE`, and `$_SERVER`. * * Also forces `$_REQUEST` to be `$_GET + $_POST`. If `$_SERVER`, * `$_COOKIE`, or `$_ENV` are needed, use those superglobals directly. * * @since 3.0.0 * @access private */ 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. * * @since 1.2.0 * @access private */ function shutdown_action_hook() { /** * Fires just before PHP shuts down execution. * * @since 1.2.0 */ do_action( 'shutdown' ); wp_cache_close(); } /** * Copy an object. * * @since 2.7.0 * @deprecated 3.2.0 * * @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 ); } /** * Determines whether the current request is for an administrative interface page. * * Does not check if the user is an administrator; use current_user_can() * for checking roles and capabilities. * * For more information on this and similar theme functions, check out * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/ * Conditional Tags} article in the Theme Developer Handbook. * * @since 1.5.1 * * @global WP_Screen $current_screen * * @return bool True if inside WordPress administration interface, false otherwise. */ function is_admin() { if ( isset( $GLOBALS['current_screen'] ) ) { return $GLOBALS['current_screen']->in_admin(); } elseif ( defined( 'WP_ADMIN' ) ) { return WP_ADMIN; } return false; } /** * Whether the current request is for a site's admininstrative interface. * * e.g. `/wp-admin/` * * Does not check if the user is an administrator; use current_user_can() * for checking roles and capabilities. * * @since 3.1.0 * * @global WP_Screen $current_screen * * @return bool True if inside WordPress blog administration pages. */ function is_blog_admin() { if ( isset( $GLOBALS['current_screen'] ) ) { return $GLOBALS['current_screen']->in_admin( 'site' ); } elseif ( defined( 'WP_BLOG_ADMIN' ) ) { return WP_BLOG_ADMIN; } return false; } /** * Whether the current request is for the network administrative interface. * * e.g. `/wp-admin/network/` * * Does not check if the user is an administrator; use current_user_can() * for checking roles and capabilities. * * @since 3.1.0 * * @global WP_Screen $current_screen * * @return bool True if inside WordPress network administration pages. */ function is_network_admin() { if ( isset( $GLOBALS['current_screen'] ) ) { return $GLOBALS['current_screen']->in_admin( 'network' ); } elseif ( defined( 'WP_NETWORK_ADMIN' ) ) { return WP_NETWORK_ADMIN; } return false; } /** * Whether the current request is for a user admin screen. * * e.g. `/wp-admin/user/` * * Does not check if the user is an administrator; use current_user_can() * for checking roles and capabilities. * * @since 3.1.0 * * @global WP_Screen $current_screen * * @return bool True if inside WordPress user administration pages. */ function is_user_admin() { if ( isset( $GLOBALS['current_screen'] ) ) { return $GLOBALS['current_screen']->in_admin( 'user' ); } elseif ( defined( 'WP_USER_ADMIN' ) ) { return WP_USER_ADMIN; } return false; } /** * If Multisite 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; } /** * Retrieve the current site ID. * * @since 3.1.0 * * @global int $blog_id * * @return int Site ID. */ function get_current_blog_id() { global $blog_id; return absint( $blog_id ); } /** * Retrieves the current network ID. * * @since 4.6.0 * * @return int The ID of the current network. */ function get_current_network_id() { if ( ! is_multisite() ) { return 1; } $current_network = get_network(); if ( ! isset( $current_network->id ) ) { return get_main_network_id(); } return absint( $current_network->id ); } /** * Attempt an early load of translations. * * Used for errors encountered during the initial loading process, before * the locale has been properly detected and loaded. * * Designed for unusual load sequences (like setup-config.php) or for when * the script will then terminate with an error, otherwise there is a risk * that a file can be double-included. * * @since 3.4.0 * @access private * * @global WP_Locale $wp_locale The WordPress date and time locale object. * * @staticvar bool $loaded */ function wp_load_translations_early() { global $wp_locale; static $loaded = false; if ( $loaded ) { return; } $loaded = true; if ( function_exists( 'did_action' ) && did_action( 'init' ) ) { return; } // We need $wp_local_package require ABSPATH . WPINC . '/version.php'; // Translation and localization require_once ABSPATH . WPINC . '/pomo/mo.php'; require_once ABSPATH . WPINC . '/l10n.php'; require_once ABSPATH . WPINC . '/class-wp-locale.php'; require_once ABSPATH . WPINC . '/class-wp-locale-switcher.php'; // General libraries require_once ABSPATH . WPINC . '/plugin.php'; $locales = $locations = array(); while ( true ) { if ( defined( 'WPLANG' ) ) { if ( '' == WPLANG ) { break; } $locales[] = WPLANG; } if ( isset( $wp_local_package ) ) { $locales[] = $wp_local_package; } if ( ! $locales ) { break; } if ( defined( 'WP_LANG_DIR' ) && @is_dir( WP_LANG_DIR ) ) { $locations[] = WP_LANG_DIR; } if ( defined( 'WP_CONTENT_DIR' ) && @is_dir( WP_CONTENT_DIR . '/languages' ) ) { $locations[] = WP_CONTENT_DIR . '/languages'; } if ( @is_dir( ABSPATH . 'wp-content/languages' ) ) { $locations[] = ABSPATH . 'wp-content/languages'; } if ( @is_dir( ABSPATH . WPINC . '/languages' ) ) { $locations[] = ABSPATH . WPINC . '/languages'; } if ( ! $locations ) { break; } $locations = array_unique( $locations ); foreach ( $locales as $locale ) { foreach ( $locations as $location ) { if ( file_exists( $location . '/' . $locale . '.mo' ) ) { load_textdomain( 'default', $location . '/' . $locale . '.mo' ); if ( defined( 'WP_SETUP_CONFIG' ) && file_exists( $location . '/admin-' . $locale . '.mo' ) ) { load_textdomain( 'default', $location . '/admin-' . $locale . '.mo' ); } break 2; } } } break; } $wp_locale = new WP_Locale(); } /** * Check or set whether WordPress is in "installation" mode. * * If the `WP_INSTALLING` constant is defined during the bootstrap, `wp_installing()` will default to `true`. * * @since 4.4.0 * * @staticvar bool $installing * * @param bool $is_installing Optional. True to set WP into Installing mode, false to turn Installing mode off. * Omit this parameter if you only want to fetch the current status. * @return bool True if WP is installing, otherwise false. When a `$is_installing` is passed, the function will * report whether WP was in installing mode prior to the change to `$is_installing`. */ function wp_installing( $is_installing = null ) { static $installing = null; // Support for the `WP_INSTALLING` constant, defined before WP is loaded. if ( is_null( $installing ) ) { $installing = defined( 'WP_INSTALLING' ) && WP_INSTALLING; } if ( ! is_null( $is_installing ) ) { $old_installing = $installing; $installing = $is_installing; return (bool) $old_installing; } return (bool) $installing; } /** * Determines if SSL is used. * * @since 2.6.0 * @since 4.6.0 Moved from functions.php to load.php. * * @return bool True if SSL, otherwise false. */ function is_ssl() { if ( isset( $_SERVER['HTTPS'] ) ) { if ( 'on' == strtolower( $_SERVER['HTTPS'] ) ) { return true; } if ( '1' == $_SERVER['HTTPS'] ) { return true; } } elseif ( isset( $_SERVER['SERVER_PORT'] ) && ( '443' == $_SERVER['SERVER_PORT'] ) ) { return true; } return false; } /** * Converts a shorthand byte value to an integer byte value. * * @since 2.3.0 * @since 4.6.0 Moved from media.php to load.php. * * @link https://secure.php.net/manual/en/function.ini-get.php * @link https://secure.php.net/manual/en/faq.using.php#faq.using.shorthandbytes * * @param string $value A (PHP ini) byte value, either shorthand or ordinary. * @return int An integer byte value. */ function wp_convert_hr_to_bytes( $value ) { $value = strtolower( trim( $value ) ); $bytes = (int) $value; if ( false !== strpos( $value, 'g' ) ) { $bytes *= GB_IN_BYTES; } elseif ( false !== strpos( $value, 'm' ) ) { $bytes *= MB_IN_BYTES; } elseif ( false !== strpos( $value, 'k' ) ) { $bytes *= KB_IN_BYTES; } // Deal with large (float) values which run into the maximum integer size. return min( $bytes, PHP_INT_MAX ); } /** * Determines whether a PHP ini value is changeable at runtime. * * @since 4.6.0 * * @staticvar array $ini_all * * @link https://secure.php.net/manual/en/function.ini-get-all.php * * @param string $setting The name of the ini setting to check. * @return bool True if the value is changeable at runtime. False otherwise. */ function wp_is_ini_value_changeable( $setting ) { static $ini_all; if ( ! isset( $ini_all ) ) { $ini_all = false; // Sometimes `ini_get_all()` is disabled via the `disable_functions` option for "security purposes". if ( function_exists( 'ini_get_all' ) ) { $ini_all = ini_get_all(); } } // Bit operator to workaround https://bugs.php.net/bug.php?id=44936 which changes access level to 63 in PHP 5.2.6 - 5.2.17. if ( isset( $ini_all[ $setting ]['access'] ) && ( INI_ALL === ( $ini_all[ $setting ]['access'] & 7 ) || INI_USER === ( $ini_all[ $setting ]['access'] & 7 ) ) ) { return true; } // If we were unable to retrieve the details, fail gracefully to assume it's changeable. if ( ! is_array( $ini_all ) ) { return true; } return false; } /** * Determines whether the current request is a WordPress Ajax request. * * @since 4.7.0 * * @return bool True if it's a WordPress Ajax request, false otherwise. */ function wp_doing_ajax() { /** * Filters whether the current request is a WordPress Ajax request. * * @since 4.7.0 * * @param bool $wp_doing_ajax Whether the current request is a WordPress Ajax request. */ return apply_filters( 'wp_doing_ajax', defined( 'DOING_AJAX' ) && DOING_AJAX ); } /** * Determines whether the current request should use themes. * * @since 5.1.0 * * @return bool True if themes should be used, false otherwise. */ function wp_using_themes() { /** * Filters whether the current request should use themes. * * @since 5.1.0 * * @param bool $wp_using_themes Whether the current request should use themes. */ return apply_filters( 'wp_using_themes', defined( 'WP_USE_THEMES' ) && WP_USE_THEMES ); } /** * Determines whether the current request is a WordPress cron request. * * @since 4.8.0 * * @return bool True if it's a WordPress cron request, false otherwise. */ function wp_doing_cron() { /** * Filters whether the current request is a WordPress cron request. * * @since 4.8.0 * * @param bool $wp_doing_cron Whether the current request is a WordPress cron request. */ return apply_filters( 'wp_doing_cron', defined( 'DOING_CRON' ) && DOING_CRON ); } /** * Check whether variable is a WordPress Error. * * Returns true if $thing is an object of the WP_Error class. * * @since 2.1.0 * * @param mixed $thing Check if unknown variable is a WP_Error object. * @return bool True, if WP_Error. False, if not WP_Error. */ function is_wp_error( $thing ) { return ( $thing instanceof WP_Error ); } /** * Determines whether file modifications are allowed. * * @since 4.8.0 * * @param string $context The usage context. * @return bool True if file modification is allowed, false otherwise. */ function wp_is_file_mod_allowed( $context ) { /** * Filters whether file modifications are allowed. * * @since 4.8.0 * * @param bool $file_mod_allowed Whether file modifications are allowed. * @param string $context The usage context. */ return apply_filters( 'file_mod_allowed', ! defined( 'DISALLOW_FILE_MODS' ) || ! DISALLOW_FILE_MODS, $context ); } /** * Start scraping edited file errors. * * @since 4.9.0 */ function wp_start_scraping_edited_file_errors() { if ( ! isset( $_REQUEST['wp_scrape_key'] ) || ! isset( $_REQUEST['wp_scrape_nonce'] ) ) { return; } $key = substr( sanitize_key( wp_unslash( $_REQUEST['wp_scrape_key'] ) ), 0, 32 ); $nonce = wp_unslash( $_REQUEST['wp_scrape_nonce'] ); if ( get_transient( 'scrape_key_' . $key ) !== $nonce ) { echo "###### wp_scraping_result_start:$key ######"; echo wp_json_encode( array( 'code' => 'scrape_nonce_failure', 'message' => __( 'Scrape nonce check failed. Please try again.' ), ) ); echo "###### wp_scraping_result_end:$key ######"; die(); } if ( ! defined( 'WP_SANDBOX_SCRAPING' ) ) { define( 'WP_SANDBOX_SCRAPING', true ); } register_shutdown_function( 'wp_finalize_scraping_edited_file_errors', $key ); } /** * Finalize scraping for edited file errors. * * @since 4.9.0 * * @param string $scrape_key Scrape key. */ function wp_finalize_scraping_edited_file_errors( $scrape_key ) { $error = error_get_last(); echo "\n###### wp_scraping_result_start:$scrape_key ######\n"; if ( ! empty( $error ) && in_array( $error['type'], array( E_CORE_ERROR, E_COMPILE_ERROR, E_ERROR, E_PARSE, E_USER_ERROR, E_RECOVERABLE_ERROR ), true ) ) { $error = str_replace( ABSPATH, '', $error ); echo wp_json_encode( $error ); } else { echo wp_json_encode( true ); } echo "\n###### wp_scraping_result_end:$scrape_key ######\n"; } /** * Checks whether current request is a JSON request, or is expecting a JSON response. * * @since 5.0.0 * * @return bool True if Accepts or Content-Type headers contain application/json, false otherwise. */ function wp_is_json_request() { if ( isset( $_SERVER['HTTP_ACCEPT'] ) && false !== strpos( $_SERVER['HTTP_ACCEPT'], 'application/json' ) ) { return true; } if ( isset( $_SERVER['CONTENT_TYPE'] ) && 'application/json' === $_SERVER['CONTENT_TYPE'] ) { return true; } return false; } /** * Checks whether current request is a JSONP request, or is expecting a JSONP response. * * @since 5.2.0 * * @return bool True if JSONP request, false otherwise. */ function wp_is_jsonp_request() { if ( ! isset( $_GET['_jsonp'] ) ) { return false; } if ( ! function_exists( 'wp_check_jsonp_callback' ) ) { require_once ABSPATH . WPINC . '/functions.php'; } $jsonp_callback = $_GET['_jsonp']; if ( ! wp_check_jsonp_callback( $jsonp_callback ) ) { return false; } /** This filter is documented in wp-includes/rest-api/class-wp-rest-server.php */ $jsonp_enabled = apply_filters( 'rest_jsonp_enabled', true ); return $jsonp_enabled; } /** * Checks whether current request is an XML request, or is expecting an XML response. * * @since 5.2.0 * * @return bool True if Accepts or Content-Type headers contain xml, false otherwise. */ function wp_is_xml_request() { $accepted = array( 'text/xml', 'application/rss+xml', 'application/atom+xml', 'application/rdf+xml', 'text/xml+oembed', 'application/xml+oembed', ); if ( isset( $_SERVER['HTTP_ACCEPT'] ) ) { foreach ( $accepted as $type ) { if ( false !== strpos( $_SERVER['HTTP_ACCEPT'], $type ) ) { return true; } } } if ( isset( $_SERVER['CONTENT_TYPE'] ) && in_array( $_SERVER['CONTENT_TYPE'], $accepted, true ) ) { return true; } return false; } option_name, array() ); unset( $paused_extensions[ $this->type ] ); if ( ! $paused_extensions ) { return delete_option( $option_name ); } return update_option( $option_name, $paused_extensions ); } /** * Checks whether the underlying API to store paused extensions is loaded. * * @since 5.2.0 * * @return bool True if the API is loaded, false otherwise. */ protected function is_api_loaded() { return function_exists( 'get_option' ); } /** * Get the option name for storing paused extensions. * * @since 5.2.0 * * @return string */ protected function get_option_name() { if ( ! wp_recovery_mode()->is_active() ) { return ''; } $session_id = wp_recovery_mode()->get_session_id(); if ( empty( $session_id ) ) { return ''; } return "{$session_id}_paused_extensions"; } } CONTENT_DIR . '/php-error.php'; if ( is_readable( $php_error_pluggable ) ) { require_once $php_error_pluggable; return; } } // Otherwise, display the default error template. $this->display_default_error_template( $error ); } /** * Displays the default PHP error template. * * This method is called conditionally if no 'php-error.php' drop-in is available. * * It calls {@see wp_die()} with a message indicating that the site is experiencing technical difficulties and a * login link to the admin backend. The {@see 'wp_php_error_message'} and {@see 'wp_php_error_args'} filters can * be used to modify these parameters. * * @since 5.2.0 * * @param array $error Error information retrieved from `error_get_last()`. */ protected function display_default_error_template( $error ) { if ( ! function_exists( '__' ) ) { wp_load_translations_early(); } if ( ! function_exists( 'wp_die' ) ) { require_once ABSPATH . WPINC . '/functions.php'; } if ( ! class_exists( 'WP_Error' ) ) { require_once ABSPATH . WPINC . '/class-wp-error.php'; } if ( is_protected_endpoint() ) { $message = __( 'The site is experiencing technical difficulties. Please check your site admin email inbox for instructions.' ); } else { $message = __( 'The site is experiencing technical difficulties.' ); } $args = array( 'response' => 500, 'exit' => false, ); /** * Filters the message that the default PHP error template displays. * * @since 5.2.0 * * @param string $message HTML error message to display. * @param array $error Error information retrieved from `error_get_last()`. */ $message = apply_filters( 'wp_php_error_message', $message, $error ); /** * Filters the arguments passed to {@see wp_die()} for the default PHP error template. * * @since 5.2.0 * * @param array $args Associative array of arguments passed to `wp_die()`. By default these contain a * 'response' key, and optionally 'link_url' and 'link_text' keys. * @param array $error Error information retrieved from `error_get_last()`. */ $args = apply_filters( 'wp_php_error_args', $args, $error ); $wp_error = new WP_Error( 'internal_server_error', $message, array( 'error' => $error, ) ); wp_die( $wp_error, '', $args ); } } rand|signature * * Where "recovery_mode" is a constant string, * iat is the time the cookie was generated at, * rand is a randomly generated password that is also used as a session identifier * and signature is an hmac of the preceding 3 parts. * * @since 5.2.0 * * @return string Generated cookie content. */ private function generate_cookie() { $to_sign = sprintf( 'recovery_mode|%s|%s', time(), wp_generate_password( 20, false ) ); $signed = $this->recovery_mode_hash( $to_sign ); return base64_encode( sprintf( '%s|%s', $to_sign, $signed ) ); } /** * Gets a form of `wp_hash()` specific to Recovery Mode. * * We cannot use `wp_hash()` because it is defined in `pluggable.php` which is not loaded until after plugins are loaded, * which is too late to verify the recovery mode cookie. * * This tries to use the `AUTH` salts firs