896 lines
26 KiB
PHP
896 lines
26 KiB
PHP
<?php
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/**
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* These functions are needed to load WordPress.
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*
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* @internal This file must be parsable by PHP4.
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*
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* @package WordPress
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*/
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/**
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* Return the HTTP protocol sent by the server.
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*
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* @since 4.4.0
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*
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* @return string The HTTP protocol. Default: HTTP/1.0.
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*/
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function wp_get_server_protocol() {
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$protocol = $_SERVER['SERVER_PROTOCOL'];
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if ( ! in_array( $protocol, array( 'HTTP/1.1', 'HTTP/2', 'HTTP/2.0' ) ) ) {
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$protocol = 'HTTP/1.0';
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}
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return $protocol;
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}
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/**
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* Turn register globals off.
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*
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* @since 2.1.0
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* @access private
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*/
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function wp_unregister_GLOBALS() {
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if ( !ini_get( 'register_globals' ) )
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return;
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if ( isset( $_REQUEST['GLOBALS'] ) )
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die( 'GLOBALS overwrite attempt detected' );
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// Variables that shouldn't be unset
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$no_unset = array( 'GLOBALS', '_GET', '_POST', '_COOKIE', '_REQUEST', '_SERVER', '_ENV', '_FILES', 'table_prefix' );
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$input = array_merge( $_GET, $_POST, $_COOKIE, $_SERVER, $_ENV, $_FILES, isset( $_SESSION ) && is_array( $_SESSION ) ? $_SESSION : array() );
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foreach ( $input as $k => $v )
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if ( !in_array( $k, $no_unset ) && isset( $GLOBALS[$k] ) ) {
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unset( $GLOBALS[$k] );
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}
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}
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/**
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* Fix `$_SERVER` variables for various setups.
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*
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* @since 3.0.0
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* @access private
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*
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* @global string $PHP_SELF The filename of the currently executing script,
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* relative to the document root.
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*/
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function wp_fix_server_vars() {
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global $PHP_SELF;
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$default_server_values = array(
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'SERVER_SOFTWARE' => '',
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'REQUEST_URI' => '',
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);
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$_SERVER = array_merge( $default_server_values, $_SERVER );
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// Fix for IIS when running with PHP ISAPI
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if ( empty( $_SERVER['REQUEST_URI'] ) || ( PHP_SAPI != 'cgi-fcgi' && preg_match( '/^Microsoft-IIS\//', $_SERVER['SERVER_SOFTWARE'] ) ) ) {
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// IIS Mod-Rewrite
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if ( isset( $_SERVER['HTTP_X_ORIGINAL_URL'] ) ) {
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$_SERVER['REQUEST_URI'] = $_SERVER['HTTP_X_ORIGINAL_URL'];
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}
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// IIS Isapi_Rewrite
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elseif ( isset( $_SERVER['HTTP_X_REWRITE_URL'] ) ) {
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$_SERVER['REQUEST_URI'] = $_SERVER['HTTP_X_REWRITE_URL'];
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} else {
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// Use ORIG_PATH_INFO if there is no PATH_INFO
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if ( !isset( $_SERVER['PATH_INFO'] ) && isset( $_SERVER['ORIG_PATH_INFO'] ) )
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$_SERVER['PATH_INFO'] = $_SERVER['ORIG_PATH_INFO'];
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// Some IIS + PHP configurations puts the script-name in the path-info (No need to append it twice)
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if ( isset( $_SERVER['PATH_INFO'] ) ) {
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if ( $_SERVER['PATH_INFO'] == $_SERVER['SCRIPT_NAME'] )
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$_SERVER['REQUEST_URI'] = $_SERVER['PATH_INFO'];
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else
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$_SERVER['REQUEST_URI'] = $_SERVER['SCRIPT_NAME'] . $_SERVER['PATH_INFO'];
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}
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// Append the query string if it exists and isn't null
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if ( ! empty( $_SERVER['QUERY_STRING'] ) ) {
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$_SERVER['REQUEST_URI'] .= '?' . $_SERVER['QUERY_STRING'];
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}
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}
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}
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// Fix for PHP as CGI hosts that set SCRIPT_FILENAME to something ending in php.cgi for all requests
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if ( isset( $_SERVER['SCRIPT_FILENAME'] ) && ( strpos( $_SERVER['SCRIPT_FILENAME'], 'php.cgi' ) == strlen( $_SERVER['SCRIPT_FILENAME'] ) - 7 ) )
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$_SERVER['SCRIPT_FILENAME'] = $_SERVER['PATH_TRANSLATED'];
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// Fix for Dreamhost and other PHP as CGI hosts
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if ( strpos( $_SERVER['SCRIPT_NAME'], 'php.cgi' ) !== false )
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unset( $_SERVER['PATH_INFO'] );
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// Fix empty PHP_SELF
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$PHP_SELF = $_SERVER['PHP_SELF'];
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if ( empty( $PHP_SELF ) )
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$_SERVER['PHP_SELF'] = $PHP_SELF = preg_replace( '/(\?.*)?$/', '', $_SERVER["REQUEST_URI"] );
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}
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/**
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* Check for the required PHP version, and the MySQL extension or
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* a database drop-in.
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*
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* Dies if requirements are not met.
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*
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* @since 3.0.0
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* @access private
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*
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* @global string $required_php_version The required PHP version string.
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* @global string $wp_version The WordPress version string.
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*/
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function wp_check_php_mysql_versions() {
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global $required_php_version, $wp_version;
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$php_version = phpversion();
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if ( version_compare( $required_php_version, $php_version, '>' ) ) {
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wp_load_translations_early();
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$protocol = wp_get_server_protocol();
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header( sprintf( '%s 500 Internal Server Error', $protocol ), true, 500 );
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header( 'Content-Type: text/html; charset=utf-8' );
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die( sprintf( __( 'Your server is running PHP version %1$s but WordPress %2$s requires at least %3$s.' ), $php_version, $wp_version, $required_php_version ) );
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}
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if ( ! extension_loaded( 'mysql' ) && ! extension_loaded( 'mysqli' ) && ! file_exists( WP_CONTENT_DIR . '/db.php' ) ) {
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wp_load_translations_early();
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$protocol = wp_get_server_protocol();
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header( sprintf( '%s 500 Internal Server Error', $protocol ), true, 500 );
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header( 'Content-Type: text/html; charset=utf-8' );
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die( __( 'Your PHP installation appears to be missing the MySQL extension which is required by WordPress.' ) );
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}
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}
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/**
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* Don't load all of WordPress when handling a favicon.ico request.
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*
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* Instead, send the headers for a zero-length favicon and bail.
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*
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* @since 3.0.0
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*/
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function wp_favicon_request() {
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if ( '/favicon.ico' == $_SERVER['REQUEST_URI'] ) {
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header('Content-Type: image/vnd.microsoft.icon');
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exit;
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}
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}
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/**
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* Die with a maintenance message when conditions are met.
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*
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* Checks for a file in the WordPress root directory named ".maintenance".
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* This file will contain the variable $upgrading, set to the time the file
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* was created. If the file was created less than 10 minutes ago, WordPress
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* enters maintenance mode and displays a message.
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*
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* The default message can be replaced by using a drop-in (maintenance.php in
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* the wp-content directory).
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*
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* @since 3.0.0
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* @access private
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*
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* @global int $upgrading the unix timestamp marking when upgrading WordPress began.
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*/
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function wp_maintenance() {
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if ( ! file_exists( ABSPATH . '.maintenance' ) || wp_installing() )
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return;
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global $upgrading;
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include( ABSPATH . '.maintenance' );
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// If the $upgrading timestamp is older than 10 minutes, don't die.
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if ( ( time() - $upgrading ) >= 600 )
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return;
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if ( file_exists( WP_CONTENT_DIR . '/maintenance.php' ) ) {
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require_once( WP_CONTENT_DIR . '/maintenance.php' );
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die();
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}
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wp_load_translations_early();
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$protocol = wp_get_server_protocol();
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header( "$protocol 503 Service Unavailable", true, 503 );
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header( 'Content-Type: text/html; charset=utf-8' );
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header( 'Retry-After: 600' );
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?>
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<!DOCTYPE html>
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<html xmlns="http://www.w3.org/1999/xhtml"<?php if ( is_rtl() ) echo ' dir="rtl"'; ?>>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<title><?php _e( 'Maintenance' ); ?></title>
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</head>
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<body>
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<h1><?php _e( 'Briefly unavailable for scheduled maintenance. Check back in a minute.' ); ?></h1>
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</body>
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</html>
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<?php
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die();
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}
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/**
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* Start the WordPress micro-timer.
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*
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* @since 0.71
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* @access private
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*
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* @global float $timestart Unix timestamp set at the beginning of the page load.
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* @see timer_stop()
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*
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* @return bool Always returns true.
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*/
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function timer_start() {
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global $timestart;
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$timestart = microtime( true );
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return true;
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}
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/**
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* Retrieve or display the time from the page start to when function is called.
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*
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* @since 0.71
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*
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* @global float $timestart Seconds from when timer_start() is called.
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* @global float $timeend Seconds from when function is called.
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*
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* @param int|bool $display Whether to echo or return the results. Accepts 0|false for return,
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* 1|true for echo. Default 0|false.
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* @param int $precision The number of digits from the right of the decimal to display.
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* Default 3.
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* @return string The "second.microsecond" finished time calculation. The number is formatted
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* for human consumption, both localized and rounded.
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*/
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function timer_stop( $display = 0, $precision = 3 ) {
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global $timestart, $timeend;
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$timeend = microtime( true );
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$timetotal = $timeend - $timestart;
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$r = ( function_exists( 'number_format_i18n' ) ) ? number_format_i18n( $timetotal, $precision ) : number_format( $timetotal, $precision );
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if ( $display )
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echo $r;
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return $r;
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}
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/**
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* Set PHP error reporting based on WordPress debug settings.
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*
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* Uses three constants: `WP_DEBUG`, `WP_DEBUG_DISPLAY`, and `WP_DEBUG_LOG`.
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* All three can be defined in wp-config.php. By default, `WP_DEBUG` and
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* `WP_DEBUG_LOG` are set to false, and `WP_DEBUG_DISPLAY` is set to true.
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*
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* When `WP_DEBUG` is true, all PHP notices are reported. WordPress will also
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* display internal notices: when a deprecated WordPress function, function
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* argument, or file is used. Deprecated code may be removed from a later
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* version.
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*
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* It is strongly recommended that plugin and theme developers use `WP_DEBUG`
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* in their development environments.
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*
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* `WP_DEBUG_DISPLAY` and `WP_DEBUG_LOG` perform no function unless `WP_DEBUG`
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* is true.
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*
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* When `WP_DEBUG_DISPLAY` is true, WordPress will force errors to be displayed.
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* `WP_DEBUG_DISPLAY` defaults to true. Defining it as null prevents WordPress
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* from changing the global configuration setting. Defining `WP_DEBUG_DISPLAY`
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* as false will force errors to be hidden.
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*
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* When `WP_DEBUG_LOG` is true, errors will be logged to debug.log in the content
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* directory.
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*
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* Errors are never displayed for XML-RPC requests.
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*
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* @since 3.0.0
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* @access private
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*/
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function wp_debug_mode() {
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if ( WP_DEBUG ) {
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error_reporting( E_ALL );
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if ( WP_DEBUG_DISPLAY )
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ini_set( 'display_errors', 1 );
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elseif ( null !== WP_DEBUG_DISPLAY )
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ini_set( 'display_errors', 0 );
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if ( WP_DEBUG_LOG ) {
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ini_set( 'log_errors', 1 );
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ini_set( 'error_log', WP_CONTENT_DIR . '/debug.log' );
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}
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} else {
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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 );
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}
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if ( defined( 'XMLRPC_REQUEST' ) )
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ini_set( 'display_errors', 0 );
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}
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/**
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* Set the location of the language directory.
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*
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* To set directory manually, define the `WP_LANG_DIR` constant
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* in wp-config.php.
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*
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* If the language directory exists within `WP_CONTENT_DIR`, it
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* is used. Otherwise the language directory is assumed to live
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* in `WPINC`.
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*
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* @since 3.0.0
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* @access private
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*/
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function wp_set_lang_dir() {
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if ( !defined( 'WP_LANG_DIR' ) ) {
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if ( file_exists( WP_CONTENT_DIR . '/languages' ) && @is_dir( WP_CONTENT_DIR . '/languages' ) || !@is_dir(ABSPATH . WPINC . '/languages') ) {
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/**
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* Server path of the language directory.
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*
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* No leading slash, no trailing slash, full path, not relative to ABSPATH
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*
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* @since 2.1.0
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*/
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define( 'WP_LANG_DIR', WP_CONTENT_DIR . '/languages' );
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if ( !defined( 'LANGDIR' ) ) {
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// Old static relative path maintained for limited backwards compatibility - won't work in some cases
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define( 'LANGDIR', 'wp-content/languages' );
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}
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} else {
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/**
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* Server path of the language directory.
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*
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* No leading slash, no trailing slash, full path, not relative to `ABSPATH`.
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*
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* @since 2.1.0
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*/
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define( 'WP_LANG_DIR', ABSPATH . WPINC . '/languages' );
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if ( !defined( 'LANGDIR' ) ) {
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// Old relative path maintained for backwards compatibility
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define( 'LANGDIR', WPINC . '/languages' );
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}
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}
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}
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}
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/**
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* Load the database class file and instantiate the `$wpdb` global.
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*
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* @since 2.5.0
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*
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* @global wpdb $wpdb The WordPress database class.
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*/
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function require_wp_db() {
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global $wpdb;
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require_once( ABSPATH . WPINC . '/wp-db.php' );
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if ( file_exists( WP_CONTENT_DIR . '/db.php' ) )
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require_once( WP_CONTENT_DIR . '/db.php' );
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if ( isset( $wpdb ) )
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return;
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$wpdb = new wpdb( DB_USER, DB_PASSWORD, DB_NAME, DB_HOST );
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}
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/**
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* Set the database table prefix and the format specifiers for database
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* table columns.
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*
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* Columns not listed here default to `%s`.
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*
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* @since 3.0.0
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* @access private
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*
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* @global wpdb $wpdb The WordPress database class.
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* @global string $table_prefix The database table prefix.
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*/
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function wp_set_wpdb_vars() {
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global $wpdb, $table_prefix;
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if ( !empty( $wpdb->error ) )
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dead_db();
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$wpdb->field_types = array( 'post_author' => '%d', 'post_parent' => '%d', 'menu_order' => '%d', 'term_id' => '%d', 'term_group' => '%d', 'term_taxonomy_id' => '%d',
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'parent' => '%d', 'count' => '%d','object_id' => '%d', 'term_order' => '%d', 'ID' => '%d', 'comment_ID' => '%d', 'comment_post_ID' => '%d', 'comment_parent' => '%d',
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'user_id' => '%d', 'link_id' => '%d', 'link_owner' => '%d', 'link_rating' => '%d', 'option_id' => '%d', 'blog_id' => '%d', 'meta_id' => '%d', 'post_id' => '%d',
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'user_status' => '%d', 'umeta_id' => '%d', 'comment_karma' => '%d', 'comment_count' => '%d',
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// multisite:
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'active' => '%d', 'cat_id' => '%d', 'deleted' => '%d', 'lang_id' => '%d', 'mature' => '%d', 'public' => '%d', 'site_id' => '%d', 'spam' => '%d',
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);
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$prefix = $wpdb->set_prefix( $table_prefix );
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if ( is_wp_error( $prefix ) ) {
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wp_load_translations_early();
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wp_die(
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/* translators: 1: $table_prefix 2: wp-config.php */
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sprintf( __( '<strong>ERROR</strong>: %1$s in %2$s can only contain numbers, letters, and underscores.' ),
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'<code>$table_prefix</code>',
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'<code>wp-config.php</code>'
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)
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);
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}
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}
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/**
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* Toggle `$_wp_using_ext_object_cache` on and off without directly
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* touching global.
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*
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* @since 3.7.0
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*
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* @global bool $_wp_using_ext_object_cache
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*
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* @param bool $using Whether external object cache is being used.
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* @return bool The current 'using' setting.
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*/
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function wp_using_ext_object_cache( $using = null ) {
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global $_wp_using_ext_object_cache;
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$current_using = $_wp_using_ext_object_cache;
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if ( null !== $using )
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$_wp_using_ext_object_cache = $using;
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return $current_using;
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}
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/**
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* Start the WordPress object cache.
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*
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* If an object-cache.php file exists in the wp-content directory,
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* it uses that drop-in as an external object cache.
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*
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* @since 3.0.0
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* @access private
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*
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* @global int $blog_id Blog ID.
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*/
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function wp_start_object_cache() {
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global $blog_id;
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$first_init = false;
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if ( ! function_exists( 'wp_cache_init' ) ) {
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if ( file_exists( WP_CONTENT_DIR . '/object-cache.php' ) ) {
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require_once ( WP_CONTENT_DIR . '/object-cache.php' );
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if ( function_exists( 'wp_cache_init' ) )
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wp_using_ext_object_cache( true );
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}
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$first_init = true;
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} elseif ( ! wp_using_ext_object_cache() && file_exists( WP_CONTENT_DIR . '/object-cache.php' ) ) {
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/*
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* Sometimes advanced-cache.php can load object-cache.php before
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* it is loaded here. This breaks the function_exists check above
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* and can result in `$_wp_using_ext_object_cache` being set
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* incorrectly. Double check if an external cache exists.
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*/
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wp_using_ext_object_cache( true );
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}
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if ( ! wp_using_ext_object_cache() )
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require_once ( ABSPATH . WPINC . '/cache.php' );
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/*
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* If cache supports reset, reset instead of init if already
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* initialized. Reset signals to the cache that global IDs
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* have changed and it may need to update keys and cleanup caches.
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*/
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if ( ! $first_init && function_exists( 'wp_cache_switch_to_blog' ) )
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wp_cache_switch_to_blog( $blog_id );
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elseif ( function_exists( 'wp_cache_init' ) )
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wp_cache_init();
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|
|
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', 'networks', 'sites' ) );
|
|
wp_cache_add_non_persistent_groups( array( 'comment', 'counts', 'plugins' ) );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* 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' );
|
|
require( ABSPATH . WPINC . '/formatting.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 array Files.
|
|
*/
|
|
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 ) || 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;
|
|
}
|
|
|
|
/**
|
|
* 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 );
|
|
}
|
|
|
|
/**
|
|
* Whether the current request is for an administrative interface page.
|
|
*
|
|
* Does not check if the user is an administrator; {@see current_user_can()}
|
|
* for checking roles and capabilities.
|
|
*
|
|
* @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; {@see 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; {@see 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 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()}.
|
|
*
|
|
* @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);
|
|
}
|
|
|
|
/**
|
|
* 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 string $text_direction
|
|
* @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;
|
|
|
|
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 . '/locale.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;
|
|
}
|