/**
* These functions are needed to load WordPress.
*
- * @internal This file must be parsable by PHP4.
- *
* @package WordPress
*/
+/**
+ * Return the HTTP protocol sent by the server.
+ *
+ * @since 4.4.0
+ *
+ * @return string The HTTP protocol. Default: HTTP/1.0.
+ */
+function wp_get_server_protocol() {
+ $protocol = $_SERVER['SERVER_PROTOCOL'];
+ if ( ! in_array( $protocol, array( 'HTTP/1.1', 'HTTP/2', 'HTTP/2.0' ) ) ) {
+ $protocol = 'HTTP/1.0';
+ }
+ return $protocol;
+}
+
/**
* Turn register globals off.
*
if ( version_compare( $required_php_version, $php_version, '>' ) ) {
wp_load_translations_early();
+
+ $protocol = wp_get_server_protocol();
+ header( sprintf( '%s 500 Internal Server Error', $protocol ), true, 500 );
header( 'Content-Type: text/html; charset=utf-8' );
+ /* translators: 1: Current PHP version number, 2: WordPress version number, 3: Minimum required PHP version number */
die( sprintf( __( 'Your server is running PHP version %1$s but WordPress %2$s requires at least %3$s.' ), $php_version, $wp_version, $required_php_version ) );
}
- if ( ! extension_loaded( 'mysql' ) && ! extension_loaded( 'mysqli' ) && ! file_exists( WP_CONTENT_DIR . '/db.php' ) ) {
+ if ( ! extension_loaded( 'mysql' ) && ! extension_loaded( 'mysqli' ) && ! extension_loaded( 'mysqlnd' ) && ! file_exists( WP_CONTENT_DIR . '/db.php' ) ) {
wp_load_translations_early();
- header( 'Content-Type: text/html; charset=utf-8' );
+
+ $protocol = wp_get_server_protocol();
+ header( sprintf( '%s 500 Internal Server Error', $protocol ), true, 500 );
+ header( 'Content-Type: text/html; charset=utf-8' );
die( __( 'Your PHP installation appears to be missing the MySQL extension which is required by WordPress.' ) );
}
}
function wp_favicon_request() {
if ( '/favicon.ico' == $_SERVER['REQUEST_URI'] ) {
header('Content-Type: image/vnd.microsoft.icon');
- header('Content-Length: 0');
exit;
}
}
* @global int $upgrading the unix timestamp marking when upgrading WordPress began.
*/
function wp_maintenance() {
- if ( !file_exists( ABSPATH . '.maintenance' ) || defined( 'WP_INSTALLING' ) )
+ if ( ! file_exists( ABSPATH . '.maintenance' ) || wp_installing() )
return;
global $upgrading;
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();
wp_load_translations_early();
- $protocol = $_SERVER["SERVER_PROTOCOL"];
- if ( 'HTTP/1.1' != $protocol && 'HTTP/1.0' != $protocol )
- $protocol = 'HTTP/1.0';
+ $protocol = wp_get_server_protocol();
header( "$protocol 503 Service Unavailable", true, 503 );
header( 'Content-Type: text/html; charset=utf-8' );
header( 'Retry-After: 600' );
* 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, and by default are set to false.
+ * 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
* When `WP_DEBUG_LOG` is true, errors will be logged to debug.log in the content
* directory.
*
- * Errors are never displayed for XML-RPC requests.
+ * Errors are never displayed for XML-RPC, REST, and Ajax requests.
*
* @since 3.0.0
* @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 );
} 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' ) )
- ini_set( 'display_errors', 0 );
+
+ if ( defined( 'XMLRPC_REQUEST' ) || defined( 'REST_REQUEST' ) || ( defined( 'WP_INSTALLING' ) && WP_INSTALLING ) || wp_doing_ajax() ) {
+ @ini_set( 'display_errors', 0 );
+ }
}
/**
*/
define( 'WP_LANG_DIR', WP_CONTENT_DIR . '/languages' );
if ( !defined( 'LANGDIR' ) ) {
- // Old static relative path maintained for limited backwards compatibility - won't work in some cases
+ // Old static relative path maintained for limited backward compatibility - won't work in some cases.
define( 'LANGDIR', 'wp-content/languages' );
}
} else {
*/
define( 'WP_LANG_DIR', ABSPATH . WPINC . '/languages' );
if ( !defined( 'LANGDIR' ) ) {
- // Old relative path maintained for backwards compatibility
+ // Old relative path maintained for backward compatibility.
define( 'LANGDIR', WPINC . '/languages' );
}
}
if ( file_exists( WP_CONTENT_DIR . '/db.php' ) )
require_once( WP_CONTENT_DIR . '/db.php' );
- if ( isset( $wpdb ) )
+ if ( isset( $wpdb ) ) {
return;
+ }
$wpdb = new wpdb( DB_USER, DB_PASSWORD, DB_NAME, DB_HOST );
}
if ( is_wp_error( $prefix ) ) {
wp_load_translations_early();
- wp_die( __( '<strong>ERROR</strong>: <code>$table_prefix</code> in <code>wp-config.php</code> can only contain numbers, letters, and underscores.' ) );
+ wp_die(
+ /* translators: 1: $table_prefix 2: wp-config.php */
+ sprintf( __( '<strong>ERROR</strong>: %1$s in %2$s can only contain numbers, letters, and underscores.' ),
+ '<code>$table_prefix</code>',
+ '<code>wp-config.php</code>'
+ )
+ );
}
}
*
* @since 3.0.0
* @access private
- *
- * @global int $blog_id Blog ID.
*/
function wp_start_object_cache() {
- global $blog_id;
+ global $wp_filter;
$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' );
- if ( function_exists( 'wp_cache_init' ) )
+ 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 );
+ }
}
$first_init = true;
wp_using_ext_object_cache( true );
}
- if ( ! wp_using_ext_object_cache() )
+ 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( $blog_id );
- elseif ( function_exists( 'wp_cache_init' ) )
+ 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', 'site-lookup', 'blog-lookup', 'blog-details', 'rss', 'global-posts', 'blog-id-cache' ) );
- wp_cache_add_non_persistent_groups( array( 'comment', 'counts', 'plugins' ) );
+ wp_cache_add_global_groups( array( 'users', 'userlogins', 'usermeta', 'user_meta', 'useremail', 'userslugs', 'site-transient', 'site-options', 'site-lookup', 'blog-lookup', 'blog-details', 'site-details', 'rss', 'global-posts', 'blog-id-cache', 'networks', 'sites' ) );
+ wp_cache_add_non_persistent_groups( array( 'counts', 'plugins' ) );
}
}
*/
function wp_not_installed() {
if ( is_multisite() ) {
- if ( ! is_blog_installed() && ! defined( 'WP_INSTALLING' ) ) {
+ 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() && ! defined( 'WP_INSTALLING' ) ) {
+ } elseif ( ! is_blog_installed() && ! wp_installing() ) {
nocache_headers();
require( ABSPATH . WPINC . '/kses.php' );
// 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' );
+ _deprecated_file( 'my-hacks.php', '1.5.0' );
array_unshift( $plugins, ABSPATH . 'my-hacks.php' );
}
- if ( empty( $active_plugins ) || defined( 'WP_INSTALLING' ) )
+ if ( empty( $active_plugins ) || wp_installing() )
return $plugins;
$network_plugins = is_multisite() ? wp_get_active_network_plugins() : false;
/**
* Whether the current request is for an administrative interface page.
*
- * Does not check if the user is an administrator; {@see current_user_can()}
+ * Does not check if the user is an administrator; current_user_can()
* for checking roles and capabilities.
*
* @since 1.5.1
*
* e.g. `/wp-admin/`
*
- * Does not check if the user is an administrator; {@see current_user_can()}
+ * Does not check if the user is an administrator; current_user_can()
* for checking roles and capabilities.
*
* @since 3.1.0
*
* e.g. `/wp-admin/network/`
*
- * Does not check if the user is an administrator; {@see current_user_can()}
+ * Does not check if the user is an administrator; current_user_can()
* for checking roles and capabilities.
*
* @since 3.1.0
*
* 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
- * {@see current_user_can()}.
+ * current_user_can().
*
* @since 3.1.0
*
}
/**
- * Retrieve the current blog ID.
+ * Retrieve the current site ID.
*
* @since 3.1.0
*
* @global int $blog_id
*
- * @return 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.
*
* @since 3.4.0
* @access private
*
- * @global string $text_direction
- * @global WP_Locale $wp_locale The WordPress date and time locale object.
+ * @global WP_Locale $wp_locale The WordPress date and time locale object.
*
* @staticvar bool $loaded
*/
function wp_load_translations_early() {
- global $text_direction, $wp_locale;
+ global $wp_locale;
static $loaded = false;
if ( $loaded )
// Translation and localization
require_once ABSPATH . WPINC . '/pomo/mo.php';
require_once ABSPATH . WPINC . '/l10n.php';
- require_once ABSPATH . WPINC . '/locale.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';
$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
+ *
+ * @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 );
+}
+
+/**
+ * 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 );
+}
scripts.mit.edu / autoinstalls / wordpress.git / blobdiff