ss ); // Now shove them in the proper keys where we're expecting later on. $_SERVER['PHP_AUTH_USER'] = $user; $_SERVER['PHP_AUTH_PW'] = $pass; } /** * Check for the required PHP version, and the MySQL extension or * a database drop-in. * * Dies if requirements are not met. * * @since 3.0.0 * @access private * * @global string $required_php_version The required PHP version string. * @global string $wp_version The WordPress version string. */ function wp_check_php_mysql_versions() { global $required_php_version, $wp_version; $php_version = phpversion(); if ( version_compare( $required_php_version, $php_version, '>' ) ) { $protocol = wp_get_server_protocol(); header( sprintf( '%s 500 Internal Server Error', $protocol ), true, 500 ); header( 'Content-Type: text/html; charset=utf-8' ); printf( 'Your server is running PHP version %1$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' ) // This runs before default constants are defined, so we can't assume WP_CONTENT_DIR is set yet. && ( defined( 'WP_CONTENT_DIR' ) && ! file_exists( WP_CONTENT_DIR . '/db.php' ) || ! file_exists( ABSPATH . 'wp-content/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.' ), __( 'Requirements Not Met' ), $args ); exit( 1 ); } } /** * Retrieves the current environment type. * * The type can be set via the `WP_ENVIRONMENT_TYPE` global system variable, * or a constant of the same name. * * Possible values are 'local', 'development', 'staging', and 'production'. * If not set, the type defaults to 'production'. * * @since 5.5.0 * @since 5.5.1 Added the 'local' type. * @since 5.5.1 Removed the ability to alter the list of types. * * @return string The current environment type. */ function wp_get_environment_type() { static $current_env = ''; if ( $current_env ) { return $current_env; } $wp_environments = array( 'local', 'development', 'staging', 'production', ); // Add a note about the deprecated WP_ENVIRONMENT_TYPES constant. if ( defined( 'WP_ENVIRONMENT_TYPES' ) && function_exists( '_deprecated_argument' ) ) { if ( function_exists( '__' ) ) { /* translators: %s: WP_ENVIRONMENT_TYPES */ $message = sprintf( __( 'The %s constant is no longer supported.' ), 'WP_ENVIRONMENT_TYPES' ); } else { $message = sprintf( 'The %s constant is no longer supported.', 'WP_ENVIRONMENT_TYPES' ); } _deprecated_argument( 'define()', '5.5.1', $message ); } // Check if the environment variable has been set, if `getenv` is available on the system. if ( function_exists( 'getenv' ) ) { $has_env = getenv( 'WP_ENVIRONMENT_TYPE' ); if ( false !== $has_env ) { $current_env = $has_env; } } // Fetch the environment from a constant, this overrides the global system variable. if ( defined( 'WP_ENVIRONMENT_TYPE' ) ) { $current_env = WP_ENVIRONMENT_TYPE; } // Make sure the environment is an allowed one, and not accidentally set to an invalid value. if ( ! in_array( $current_env, $wp_environments, true ) ) { $current_env = 'production'; } return $current_env; } /** * 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 * @deprecated 5.4.0 Deprecated in favor of do_favicon(). */ 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. * * The default message can be replaced by using a drop-in (maintenance.php in * the wp-content directory). * * @since 3.0.0 * @access private */ function wp_maintenance() { // Return if maintenance mode is disabled. if ( ! wp_is_maintenance_mode() ) { 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 ); } /** * Check if maintenance mode is enabled. * * 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 * is in maintenance mode. * * @since 5.5.0 * * @global int $upgrading The Unix timestamp marking when upgrading WordPress began. * * @return bool True if maintenance mode is enabled, false otherwise. */ function wp_is_maintenance_mode() { global $upgrading; if ( ! file_exists( ABSPATH . '.maintenance' ) || wp_installing() ) { return false; } require ABSPATH . '.maintenance'; // If the $upgrading timestamp is older than 10 minutes, consider maintenance over. if ( ( time() - $upgrading ) >= 10 * MINUTE_IN_SECONDS ) { return false; } /** * 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 false; } return true; } /** * 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 WordPress database abstraction 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; } $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 WordPress database abstraction object. * @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( sprintf( /* translators: 1: $table_prefix, 2: wp-config.php */ __( 'Error: %1$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'; } require_once ABSPATH . WPINC . '/cache-compat.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 string[] Array of absolute paths of files to include. */ function wp_get_mu_plugins() { $mu_plugins = array(); if ( ! is_dir( WPMU_PLUGIN_DIR ) ) { return $mu_plugins; } $dh = opendir( WPMU_PLUGIN_DIR ); if ( ! $dh ) { return $mu_plugins; } while ( ( $plugin = readdir( $dh ) ) !== false ) { if ( '.php' === substr( $plugin, -4 ) ) { $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[] 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, true ) ) ) { $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. * * @sin