enmi-conf.org: comparison wp/wp-includes/load.php

equal deleted inserted replaced

-:7b1b88e27a20
+:48c4eec2b7e6
 *
 * @package WordPress
 */
 /**
-* Return the HTTP protocol sent by the server.
+* Returns 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 = isset( $_SERVER['SERVER_PROTOCOL'] ) ? $_SERVER['SERVER_PROTOCOL'] : '';
 	if ( ! in_array( $protocol, array( 'HTTP/1.1', 'HTTP/2', 'HTTP/2.0', 'HTTP/3' ), true ) ) {
 		$protocol = 'HTTP/1.0';
 	}
 	return $protocol;
 }
 /**
-* Fix `$_SERVER` variables for various setups.
+* Fixes `$_SERVER` variables for various setups.
 *
 * @since 3.0.0
 * @access private
 *
 * @global string $PHP_SELF The filename of the currently executing script,
 	);
 	$_SERVER = array_merge( $default_server_values, $_SERVER );
 	// Fix for IIS when running with PHP ISAPI.
-	if ( empty( $_SERVER['REQUEST_URI'] ) || ( 'cgi-fcgi' !== PHP_SAPI && preg_match( '/^Microsoft-IIS\//', $_SERVER['SERVER_SOFTWARE'] ) ) ) {
+	if ( empty( $_SERVER['REQUEST_URI'] )
+		|| ( 'cgi-fcgi' !== PHP_SAPI && preg_match( '/^Microsoft-IIS\//', $_SERVER['SERVER_SOFTWARE'] ) )
+	) {
 		if ( isset( $_SERVER['HTTP_X_ORIGINAL_URL'] ) ) {
 			// IIS Mod-Rewrite.
 			$_SERVER['REQUEST_URI'] = $_SERVER['HTTP_X_ORIGINAL_URL'];
 		} elseif ( isset( $_SERVER['HTTP_X_REWRITE_URL'] ) ) {
 				$_SERVER['PATH_INFO'] = $_SERVER['ORIG_PATH_INFO'];
 			}
 			// Some IIS + PHP configurations put the script-name in the path-info (no need to append it twice).
 			if ( isset( $_SERVER['PATH_INFO'] ) ) {
-				if ( $_SERVER['PATH_INFO'] == $_SERVER['SCRIPT_NAME'] ) {
+				if ( $_SERVER['PATH_INFO'] === $_SERVER['SCRIPT_NAME'] ) {
 					$_SERVER['REQUEST_URI'] = $_SERVER['PATH_INFO'];
 				} else {
 					$_SERVER['REQUEST_URI'] = $_SERVER['SCRIPT_NAME'] . $_SERVER['PATH_INFO'];
 				}
 			}
 			}
 		}
 	}
 	// Fix for PHP as CGI hosts that set SCRIPT_FILENAME to something ending in php.cgi for all requests.
-	if ( isset( $_SERVER['SCRIPT_FILENAME'] ) && ( strpos( $_SERVER['SCRIPT_FILENAME'], 'php.cgi' ) == strlen( $_SERVER['SCRIPT_FILENAME'] ) - 7 ) ) {
+	if ( isset( $_SERVER['SCRIPT_FILENAME'] ) && str_ends_with( $_SERVER['SCRIPT_FILENAME'], 'php.cgi' ) ) {
 		$_SERVER['SCRIPT_FILENAME'] = $_SERVER['PATH_TRANSLATED'];
 	}
 	// Fix for Dreamhost and other PHP as CGI hosts.
-	if ( isset( $_SERVER['SCRIPT_NAME'] ) && ( strpos( $_SERVER['SCRIPT_NAME'], 'php.cgi' ) !== false ) ) {
+	if ( isset( $_SERVER['SCRIPT_NAME'] ) && str_contains( $_SERVER['SCRIPT_NAME'], 'php.cgi' ) ) {
 		unset( $_SERVER['PATH_INFO'] );
 	}
 	// Fix empty PHP_SELF.
 	$PHP_SELF = $_SERVER['PHP_SELF'];
 	// Removing `Basic ` the token would start six characters in.
 	$token    = substr( $header, 6 );
 	$userpass = base64_decode( $token );
-	list( $user, $pass ) = explode( ':', $userpass );
+	// There must be at least one colon in the string.
+	if ( ! str_contains( $userpass, ':' ) ) {
+		return;
+	}
+	list( $user, $pass ) = explode( ':', $userpass, 2 );
 	// 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
+* Checks for the required PHP version, and the mysqli extension or
 * a database drop-in.
 *
 * Dies if requirements are not met.
 *
 * @since 3.0.0
 * @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();
+	$php_version = PHP_VERSION;
 	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, $required_php_version );
+		printf(
+			'Your server is running PHP version %1$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.
-		// This runs before default constants are defined, so we can't assume WP_CONTENT_DIR is set yet.
+	$wp_content_dir = defined( 'WP_CONTENT_DIR' ) ? WP_CONTENT_DIR : ABSPATH . 'wp-content';
-		&& ( defined( 'WP_CONTENT_DIR' ) && ! file_exists( WP_CONTENT_DIR . '/db.php' )
-			|| ! file_exists( ABSPATH . 'wp-content/db.php' ) )
+	if ( ! function_exists( 'mysqli_connect' )
+		&& ! file_exists( $wp_content_dir . '/db.php' )
 	) {
 		require_once ABSPATH . WPINC . '/functions.php';
 		wp_load_translations_early();
+		$message = '<p>' . __( 'Your PHP installation appears to be missing the MySQL extension which is required by WordPress.' ) . "</p>\n";
+		$message .= '<p>' . sprintf(
+			/* translators: %s: mysqli. */
+			__( 'Please check that the %s PHP extension is installed and enabled.' ),
+			'<code>mysqli</code>'
+		) . "</p>\n";
+		$message .= '<p>' . sprintf(
+			/* translators: %s: Support forums URL. */
+			__( 'If you are unsure what these terms mean you should probably contact your host. If you still need help you can always visit the <a href="%s">WordPress support forums</a>.' ),
+			__( 'https://wordpress.org/support/forums/' )
+		) . "</p>\n";
 		$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.' ),
+			$message,
 			__( 'Requirements Not Met' ),
 			$args
 		);
 		exit( 1 );
 	}
 			$current_env = $has_env;
 		}
 	}
 	// Fetch the environment from a constant, this overrides the global system variable.
-	if ( defined( 'WP_ENVIRONMENT_TYPE' ) ) {
+	if ( defined( 'WP_ENVIRONMENT_TYPE' ) && 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 ) ) {
 	return $current_env;
 }
 /**
-* Don't load all of WordPress when handling a favicon.ico request.
+* Retrieves the current development mode.
+*
+* The development mode affects how certain parts of the WordPress application behave,
+* which is relevant when developing for WordPress.
+*
+* Development mode can be set via the `WP_DEVELOPMENT_MODE` constant in `wp-config.php`.
+* Possible values are 'core', 'plugin', 'theme', 'all', or an empty string to disable
+* development mode. 'all' is a special value to signify that all three development modes
+* ('core', 'plugin', and 'theme') are enabled.
+*
+* Development mode is considered separately from `WP_DEBUG` and wp_get_environment_type().
+* It does not affect debugging output, but rather functional nuances in WordPress.
+*
+* This function retrieves the currently set development mode value. To check whether
+* a specific development mode is enabled, use wp_is_development_mode().
+*
+* @since 6.3.0
+*
+* @return string The current development mode.
+*/
+function wp_get_development_mode() {
+	static $current_mode = null;
+	if ( ! defined( 'WP_RUN_CORE_TESTS' ) && null !== $current_mode ) {
+		return $current_mode;
+	}
+	$development_mode = WP_DEVELOPMENT_MODE;
+	// Exclusively for core tests, rely on the `$_wp_tests_development_mode` global.
+	if ( defined( 'WP_RUN_CORE_TESTS' ) && isset( $GLOBALS['_wp_tests_development_mode'] ) ) {
+		$development_mode = $GLOBALS['_wp_tests_development_mode'];
+	}
+	$valid_modes = array(
+		'core',
+		'plugin',
+		'theme',
+		'all',
+		'',
+	);
+	if ( ! in_array( $development_mode, $valid_modes, true ) ) {
+		$development_mode = '';
+	}
+	$current_mode = $development_mode;
+	return $current_mode;
+}
+/**
+* Checks whether the site is in the given development mode.
+*
+* @since 6.3.0
+*
+* @param string $mode Development mode to check for. Either 'core', 'plugin', 'theme', or 'all'.
+* @return bool True if the given mode is covered by the current development mode, false otherwise.
+*/
+function wp_is_development_mode( $mode ) {
+	$current_mode = wp_get_development_mode();
+	if ( empty( $current_mode ) ) {
+		return false;
+	}
+	// Return true if the current mode encompasses all modes.
+	if ( 'all' === $current_mode ) {
+		return true;
+	}
+	// Return true if the current mode is the given mode.
+	return $mode === $current_mode;
+}
+/**
+* Ensures all of WordPress is not loaded 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().
 		exit;
 	}
 }
 /**
-* Die with a maintenance message when conditions are met.
+* Dies 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
 		503
 	);
 }
 /**
-* Check if maintenance mode is enabled.
+* Checks 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.
 	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;
+	}
+	// Don't enable maintenance mode while scraping for fatal errors.
+	if ( is_int( $upgrading ) && isset( $_REQUEST['wp_scrape_key'], $_REQUEST['wp_scrape_nonce'] ) ) {
+		$key   = stripslashes( $_REQUEST['wp_scrape_key'] );
+		$nonce = stripslashes( $_REQUEST['wp_scrape_nonce'] );
+		if ( md5( $upgrading ) === $key && (int) $nonce === $upgrading ) {
+			return false;
+		}
 	}
 	/**
 	 * Filters whether to enable maintenance mode.
 	 *
 	return true;
 }
 /**
-* Get the time elapsed so far during this PHP script.
+* Gets the time elapsed so far during this PHP script.
 *
 * Uses REQUEST_TIME_FLOAT that appeared in PHP 5.4.0.
 *
 * @since 5.8.0
 *
 function timer_float() {
 	return microtime( true ) - $_SERVER['REQUEST_TIME_FLOAT'];
 }
 /**
-* Start the WordPress micro-timer.
+* Starts the WordPress micro-timer.
 *
 * @since 0.71
 * @access private
 *
 * @global float $timestart Unix timestamp set at the beginning of the page load.
 *
 * @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.
+* Retrieves or displays 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.
 * @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 ( function_exists( 'number_format_i18n' ) ) {
+		$r = number_format_i18n( $timetotal, $precision );
+	} else {
+		$r = number_format( $timetotal, $precision );
+	}
 	if ( $display ) {
 		echo $r;
 	}
 	return $r;
 }
 /**
-* Set PHP error reporting based on WordPress debug settings.
+* Sets 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.
 *
 		}
 	} 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( 'MS_FILES_REQUEST' ) ||
+	 * The 'REST_REQUEST' check here is optimistic as the constant is most
-		( defined( 'WP_INSTALLING' ) && WP_INSTALLING ) ||
+	 * likely not set at this point even if it is in fact a REST request.
-		wp_doing_ajax() || wp_is_json_request() ) {
+	 */
+	if ( defined( 'XMLRPC_REQUEST' ) || defined( 'REST_REQUEST' ) || defined( 'MS_FILES_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.
+* Sets 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
 * @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' ) ) {
+		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 {
 			 * 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.
+* Loads the database class file and instantiates 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';
+	require_once ABSPATH . WPINC . '/class-wpdb.php';
 	if ( file_exists( WP_CONTENT_DIR . '/db.php' ) ) {
 		require_once WP_CONTENT_DIR . '/db.php';
 	}
 	if ( isset( $wpdb ) ) {
 	$wpdb = new wpdb( $dbuser, $dbpassword, $dbname, $dbhost );
 }
 /**
-* Set the database table prefix and the format specifiers for database
+* Sets the database table prefix and the format specifiers for database
 * table columns.
 *
 * Columns not listed here default to `%s`.
 *
 * @since 3.0.0
 * @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(
 	if ( is_wp_error( $prefix ) ) {
 		wp_load_translations_early();
 		wp_die(
 			sprintf(
 				/* translators: 1: $table_prefix, 2: wp-config.php */
-				__( '<strong>Error</strong>: %1$s in %2$s can only contain numbers, letters, and underscores.' ),
+				__( '<strong>Error:</strong> %1$s in %2$s can only contain numbers, letters, and underscores.' ),
 				'<code>$table_prefix</code>',
 				'<code>wp-config.php</code>'
 			)
 		);
 	}
 }
 /**
-* Toggle `$_wp_using_ext_object_cache` on and off without directly
+* Toggles `$_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.
+* Starts the WordPress object cache.
 *
 * If an object-cache.php file exists in the wp-content directory,
 * it uses that drop-in as an external object cache.
 *
 * @since 3.0.0
 			 * 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.
 	} 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_global_groups(
-		wp_cache_add_non_persistent_groups( array( 'counts', 'plugins' ) );
+			array(
+				'blog-details',
+				'blog-id-cache',
+				'blog-lookup',
+				'blog_meta',
+				'global-posts',
+				'networks',
+				'network-queries',
+				'sites',
+				'site-details',
+				'site-options',
+				'site-queries',
+				'site-transient',
+				'theme_files',
+				'translation_files',
+				'rss',
+				'users',
+				'user-queries',
+				'user_meta',
+				'useremail',
+				'userlogins',
+				'userslugs',
+			)
+		);
+		wp_cache_add_non_persistent_groups( array( 'counts', 'plugins', 'theme_json' ) );
 	}
 	$first_init = false;
 }
 /**
-* Redirect to the installer if WordPress is not installed.
+* Redirects 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_blog_installed() || wp_installing() ) {
+		return;
+	}
+	nocache_headers();
 	if ( is_multisite() ) {
-		if ( ! is_blog_installed() && ! wp_installing() ) {
+		wp_die( __( 'The site you have requested is not installed properly. Please contact the system administrator.' ) );
-			nocache_headers();
+	}
-			wp_die( __( 'The site you have requested is not installed properly. Please contact the system administrator.' ) );
+	require ABSPATH . WPINC . '/kses.php';
-		}
+	require ABSPATH . WPINC . '/pluggable.php';
-	} elseif ( ! is_blog_installed() && ! wp_installing() ) {
-		nocache_headers();
+	$link = wp_guess_url() . '/wp-admin/install.php';
-		require ABSPATH . WPINC . '/kses.php';
+	wp_redirect( $link );
-		require ABSPATH . WPINC . '/pluggable.php';
+	die();
+}
-		$link = wp_guess_url() . '/wp-admin/install.php';
+/**
-		wp_redirect( $link );
+* Retrieves an array of must-use plugin files.
-		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.
 *
 *
 * @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 ) ) {
+		if ( str_ends_with( $plugin, '.php' ) ) {
 			$mu_plugins[] = WPMU_PLUGIN_DIR . '/' . $plugin;
 		}
 	}
 	closedir( $dh );
 	sort( $mu_plugins );
 	return $mu_plugins;
 }
 /**
-* Retrieve an array of active and valid plugin files.
+* Retrieves 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`
 	$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'.
+			&& str_ends_with( $plugin, '.php' )             // $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;
 		}
 	}
 	/*
 /**
 * Filters a given list of plugins, removing any paused plugins from it.
 *
 * @since 5.2.0
 *
+* @global WP_Paused_Extensions_Storage $_paused_plugins
+*
 * @param string[] $plugins Array of absolute plugin main file paths.
 * @return string[] Filtered array of plugins, without any paused plugins.
 */
 function wp_skip_paused_plugins( array $plugins ) {
 	$paused_plugins = wp_paused_plugins()->get_all();
 * While upgrading or installing WordPress, no themes are returned.
 *
 * @since 5.1.0
 * @access private
 *
-* @global string $pagenow The filename of the current screen.
+* @global string $pagenow            The filename of the current screen.
+* @global string $wp_stylesheet_path Path to current theme's stylesheet directory.
+* @global string $wp_template_path   Path to current theme's template directory.
 *
 * @return string[] Array of absolute paths to theme directories.
 */
 function wp_get_active_and_valid_themes() {
-	global $pagenow;
+	global $pagenow, $wp_stylesheet_path, $wp_template_path;
 	$themes = array();
 	if ( wp_installing() && 'wp-activate.php' !== $pagenow ) {
 		return $themes;
 	}
-	if ( TEMPLATEPATH !== STYLESHEETPATH ) {
+	if ( is_child_theme() ) {
-		$themes[] = STYLESHEETPATH;
+		$themes[] = $wp_stylesheet_path;
 	}
-	$themes[] = TEMPLATEPATH;
+	$themes[] = $wp_template_path;
 	/*
 	 * 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.
 	 */
 /**
 * Filters a given list of themes, removing any paused themes from it.
 *
 * @since 5.2.0
 *
+* @global WP_Paused_Extensions_Storage $_paused_themes
+*
 * @param string[] $themes Array of absolute theme directory paths.
 * @return string[] Filtered array of absolute paths to themes, without any paused themes.
 */
 function wp_skip_paused_themes( array $themes ) {
 	$paused_themes = wp_paused_themes()->get_all();
 	return $themes;
 }
 /**
-* Is WordPress in Recovery Mode.
+* Determines whether WordPress is in Recovery Mode.
 *
 * In this mode, plugins or themes that cause WSODs will be paused.
 *
 * @since 5.2.0
 *
 		'install-theme',          // Installing a new theme.
 		'search-plugins',         // Searching in the list of plugins.
 		'search-install-plugins', // Searching for a plugin in the plugin install screen.
 		'update-plugin',          // Update an existing plugin.
 		'update-theme',           // Update an existing theme.
+		'activate-plugin',        // Activating an existing plugin.
 	);
 	/**
 	 * Filters the array of protected Ajax actions.
 	 *
 	return true;
 }
 /**
-* Set internal encoding.
+* Sets internal encoding.
 *
 * In most cases the default internal encoding is latin1, which is
 * of no use, since we want to use the `mb_` functions for `utf-8` strings.
 *
 * @since 3.0.0
 		}
 	}
 }
 /**
-* Add magic quotes to `$_GET`, `$_POST`, `$_COOKIE`, and `$_SERVER`.
+* Adds magic quotes to `$_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
 	wp_cache_close();
 }
 /**
-* Copy an object.
+* Clones an object.
 *
 * @since 2.7.0
 * @deprecated 3.2.0
 *
-* @param object $object The object to clone.
+* @param object $input_object The object to clone.
 * @return object The cloned object.
 */
-function wp_clone( $object ) {
+function wp_clone( $input_object ) {
 	// Use parens for clone to accommodate PHP 4. See #17880.
-	return clone( $object );
+	return clone( $input_object );
+}
+/**
+* Determines whether the current request is for the login screen.
+*
+* @since 6.1.0
+*
+* @see wp_login_url()
+*
+* @return bool True if inside WordPress login screen, false otherwise.
+*/
+function is_login() {
+	return false !== stripos( wp_login_url(), $_SERVER['SCRIPT_NAME'] );
 }
 /**
 * Determines whether the current request is for an administrative interface page.
 *
 	return false;
 }
 /**
-* Whether the current request is for a site's administrative interface.
+* Determines whether the current request is for a site's administrative 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 WordPress current screen object.
 *
-* @return bool True if inside WordPress blog administration pages.
+* @return bool True if inside WordPress site administration pages.
 */
 function is_blog_admin() {
 	if ( isset( $GLOBALS['current_screen'] ) ) {
 		return $GLOBALS['current_screen']->in_admin( 'site' );
 	} elseif ( defined( 'WP_BLOG_ADMIN' ) ) {
 	return false;
 }
 /**
-* Whether the current request is for the network administrative interface.
+* Determines 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.
 	return false;
 }
 /**
-* Whether the current request is for a user admin screen.
+* Determines 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.
 	return false;
 }
 /**
-* If Multisite is enabled.
+* Determines whether Multisite is enabled.
 *
 * @since 3.0.0
 *
 * @return bool True if Multisite is enabled, false otherwise.
 */
 	return false;
 }
 /**
-* Retrieve the current site ID.
+* Retrieves 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.
 	return absint( $current_network->id );
 }
 /**
-* Attempt an early load of translations.
+* Attempts 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
 * that a file can be double-included.
 *
 * @since 3.4.0
 * @access private
 *
-* @global WP_Locale $wp_locale WordPress date and time locale object.
+* @global WP_Textdomain_Registry $wp_textdomain_registry WordPress Textdomain Registry.
+* @global WP_Locale              $wp_locale              WordPress date and time locale object.
 */
 function wp_load_translations_early() {
-	global $wp_locale;
+	global $wp_textdomain_registry, $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/class-wp-translation-controller.php';
+	require_once ABSPATH . WPINC . '/l10n/class-wp-translations.php';
+	require_once ABSPATH . WPINC . '/l10n/class-wp-translation-file.php';
+	require_once ABSPATH . WPINC . '/l10n/class-wp-translation-file-mo.php';
+	require_once ABSPATH . WPINC . '/l10n/class-wp-translation-file-php.php';
 	require_once ABSPATH . WPINC . '/l10n.php';
+	require_once ABSPATH . WPINC . '/class-wp-textdomain-registry.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   = array();
 	$locations = array();
+	if ( ! $wp_textdomain_registry instanceof WP_Textdomain_Registry ) {
+		$wp_textdomain_registry = new WP_Textdomain_Registry();
+	}
 	while ( true ) {
 		if ( defined( 'WPLANG' ) ) {
 			if ( '' === WPLANG ) {
 				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' );
+					load_textdomain( 'default', $location . '/' . $locale . '.mo', $locale );
 					if ( defined( 'WP_SETUP_CONFIG' ) && file_exists( $location . '/admin-' . $locale . '.mo' ) ) {
-						load_textdomain( 'default', $location . '/admin-' . $locale . '.mo' );
+						load_textdomain( 'default', $location . '/admin-' . $locale . '.mo', $locale );
 					}
 					break 2;
 				}
 			}
 		}
 	$wp_locale = new WP_Locale();
 }
 /**
-* Check or set whether WordPress is in "installation" mode.
+* Checks or sets 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
 *
 	}
 	if ( ! is_null( $is_installing ) ) {
 		$old_installing = $installing;
 		$installing     = $is_installing;
 		return (bool) $old_installing;
 	}
 	return (bool) $installing;
 }
 	if ( isset( $_SERVER['HTTPS'] ) ) {
 		if ( 'on' === strtolower( $_SERVER['HTTPS'] ) ) {
 			return true;
 		}
-		if ( '1' == $_SERVER['HTTPS'] ) {
+		if ( '1' === (string) $_SERVER['HTTPS'] ) {
 			return true;
 		}
-	} elseif ( isset( $_SERVER['SERVER_PORT'] ) && ( '443' == $_SERVER['SERVER_PORT'] ) ) {
+	} elseif ( isset( $_SERVER['SERVER_PORT'] ) && ( '443' === (string) $_SERVER['SERVER_PORT'] ) ) {
 		return true;
 	}
 	return false;
 }
 /**
 * Converts a shorthand byte value to an integer byte value.
 */
 function wp_convert_hr_to_bytes( $value ) {
 	$value = strtolower( trim( $value ) );
 	$bytes = (int) $value;
-	if ( false !== strpos( $value, 'g' ) ) {
+	if ( str_contains( $value, 'g' ) ) {
 		$bytes *= GB_IN_BYTES;
-	} elseif ( false !== strpos( $value, 'm' ) ) {
+	} elseif ( str_contains( $value, 'm' ) ) {
 		$bytes *= MB_IN_BYTES;
-	} elseif ( false !== strpos( $value, 'k' ) ) {
+	} elseif ( str_contains( $value, 'k' ) ) {
 		$bytes *= KB_IN_BYTES;
 	}
 	// Deal with large (float) values which run into the maximum integer size.
 	return min( $bytes, PHP_INT_MAX );
 			$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 ) ) ) {
+	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 apply_filters( 'file_mod_allowed', ! defined( 'DISALLOW_FILE_MODS' ) || ! DISALLOW_FILE_MODS, $context );
 }
 /**
-* Start scraping edited file errors.
+* Starts 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_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.
+* Finalizes 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 ) ) {
+	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.
 *
 * @return bool True if `Accepts` or `Content-Type` headers contain `application/json`.
 *              False otherwise.
 */
 function wp_is_json_request() {
 	if ( isset( $_SERVER['HTTP_ACCEPT'] ) && wp_is_json_media_type( $_SERVER['HTTP_ACCEPT'] ) ) {
 		return true;
 	}
 	if ( isset( $_SERVER['CONTENT_TYPE'] ) && wp_is_json_media_type( $_SERVER['CONTENT_TYPE'] ) ) {
 		return true;
 	}
 	return false;
 }
 /**
 * Checks whether current request is a JSONP request, or is expecting a JSONP response.
 *
 	/** 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 a string is a valid JSON Media Type.
 *
 		'application/xml+oembed',
 	);
 	if ( isset( $_SERVER['HTTP_ACCEPT'] ) ) {
 		foreach ( $accepted as $type ) {
-			if ( false !== strpos( $_SERVER['HTTP_ACCEPT'], $type ) ) {
+			if ( str_contains( $_SERVER['HTTP_ACCEPT'], $type ) ) {
 				return true;
 			}
 		}
 	}

changeset 21	48c4eec2b7e6
parent 19	3d72ae0968f4
child 22	8c2e4d02f4ef