1843 lines
50 KiB
PHP
1843 lines
50 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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* @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 = isset( $_SERVER['SERVER_PROTOCOL'] ) ? $_SERVER['SERVER_PROTOCOL'] : '';
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if ( ! in_array( $protocol, array( 'HTTP/1.1', 'HTTP/2', 'HTTP/2.0', 'HTTP/3' ), true ) ) {
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$protocol = 'HTTP/1.0';
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}
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return $protocol;
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}
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/**
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* Fix `$_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'] ) || ( 'cgi-fcgi' !== PHP_SAPI && preg_match( '/^Microsoft-IIS\//', $_SERVER['SERVER_SOFTWARE'] ) ) ) {
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if ( isset( $_SERVER['HTTP_X_ORIGINAL_URL'] ) ) {
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// IIS Mod-Rewrite.
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$_SERVER['REQUEST_URI'] = $_SERVER['HTTP_X_ORIGINAL_URL'];
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} elseif ( isset( $_SERVER['HTTP_X_REWRITE_URL'] ) ) {
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// IIS Isapi_Rewrite.
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$_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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}
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// Some IIS + PHP configurations put 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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}
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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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}
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// Fix for Dreamhost and other PHP as CGI hosts.
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if ( isset( $_SERVER['SCRIPT_NAME'] ) && ( strpos( $_SERVER['SCRIPT_NAME'], 'php.cgi' ) !== false ) ) {
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unset( $_SERVER['PATH_INFO'] );
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}
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// Fix empty PHP_SELF.
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$PHP_SELF = $_SERVER['PHP_SELF'];
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if ( empty( $PHP_SELF ) ) {
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$_SERVER['PHP_SELF'] = preg_replace( '/(\?.*)?$/', '', $_SERVER['REQUEST_URI'] );
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$PHP_SELF = $_SERVER['PHP_SELF'];
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}
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wp_populate_basic_auth_from_authorization_header();
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}
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/**
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* Populates the Basic Auth server details from the Authorization header.
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*
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* Some servers running in CGI or FastCGI mode don't pass the Authorization
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* header on to WordPress. If it's been rewritten to the `HTTP_AUTHORIZATION` header,
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* fill in the proper $_SERVER variables instead.
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*
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* @since 5.6.0
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*/
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function wp_populate_basic_auth_from_authorization_header() {
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// If we don't have anything to pull from, return early.
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if ( ! isset( $_SERVER['HTTP_AUTHORIZATION'] ) && ! isset( $_SERVER['REDIRECT_HTTP_AUTHORIZATION'] ) ) {
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return;
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}
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// If either PHP_AUTH key is already set, do nothing.
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if ( isset( $_SERVER['PHP_AUTH_USER'] ) || isset( $_SERVER['PHP_AUTH_PW'] ) ) {
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return;
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}
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// From our prior conditional, one of these must be set.
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$header = isset( $_SERVER['HTTP_AUTHORIZATION'] ) ? $_SERVER['HTTP_AUTHORIZATION'] : $_SERVER['REDIRECT_HTTP_AUTHORIZATION'];
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// Test to make sure the pattern matches expected.
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if ( ! preg_match( '%^Basic [a-z\d/+]*={0,2}$%i', $header ) ) {
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return;
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}
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// Removing `Basic ` the token would start six characters in.
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$token = substr( $header, 6 );
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$userpass = base64_decode( $token );
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list( $user, $pass ) = explode( ':', $userpass );
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// Now shove them in the proper keys where we're expecting later on.
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$_SERVER['PHP_AUTH_USER'] = $user;
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$_SERVER['PHP_AUTH_PW'] = $pass;
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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 = PHP_VERSION;
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if ( version_compare( $required_php_version, $php_version, '>' ) ) {
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$protocol = wp_get_server_protocol();
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header( sprintf( '%s 500 Internal Server Error', $protocol ), true, 500 );
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header( 'Content-Type: text/html; charset=utf-8' );
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printf(
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'Your server is running PHP version %1$s but WordPress %2$s requires at least %3$s.',
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$php_version,
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$wp_version,
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$required_php_version
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);
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exit( 1 );
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}
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if ( ! function_exists( 'mysqli_connect' ) && ! function_exists( 'mysql_connect' )
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// This runs before default constants are defined, so we can't assume WP_CONTENT_DIR is set yet.
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&& ( defined( 'WP_CONTENT_DIR' ) && ! file_exists( WP_CONTENT_DIR . '/db.php' )
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|| ! file_exists( ABSPATH . 'wp-content/db.php' ) )
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) {
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require_once ABSPATH . WPINC . '/functions.php';
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wp_load_translations_early();
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$message = '<p>' . __( 'Your PHP installation appears to be missing the MySQL extension which is required by WordPress.' ) . "</p>\n";
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$message .= '<p>' . sprintf(
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/* translators: %s: mysqli. */
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__( 'Please check that the %s PHP extension is installed and enabled.' ),
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'<code>mysqli</code>'
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) . "</p>\n";
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$message .= '<p>' . sprintf(
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/* translators: %s: Support forums URL. */
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__( '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>.' ),
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__( 'https://wordpress.org/support/forums/' )
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) . "</p>\n";
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$args = array(
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'exit' => false,
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'code' => 'mysql_not_found',
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);
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wp_die(
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$message,
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__( 'Requirements Not Met' ),
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$args
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);
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exit( 1 );
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}
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}
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/**
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* Retrieves the current environment type.
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*
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* The type can be set via the `WP_ENVIRONMENT_TYPE` global system variable,
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* or a constant of the same name.
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*
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* Possible values are 'local', 'development', 'staging', and 'production'.
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* If not set, the type defaults to 'production'.
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*
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* @since 5.5.0
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* @since 5.5.1 Added the 'local' type.
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* @since 5.5.1 Removed the ability to alter the list of types.
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*
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* @return string The current environment type.
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*/
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function wp_get_environment_type() {
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static $current_env = '';
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if ( ! defined( 'WP_RUN_CORE_TESTS' ) && $current_env ) {
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return $current_env;
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}
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$wp_environments = array(
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'local',
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'development',
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'staging',
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'production',
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);
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// Add a note about the deprecated WP_ENVIRONMENT_TYPES constant.
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if ( defined( 'WP_ENVIRONMENT_TYPES' ) && function_exists( '_deprecated_argument' ) ) {
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if ( function_exists( '__' ) ) {
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/* translators: %s: WP_ENVIRONMENT_TYPES */
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$message = sprintf( __( 'The %s constant is no longer supported.' ), 'WP_ENVIRONMENT_TYPES' );
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} else {
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$message = sprintf( 'The %s constant is no longer supported.', 'WP_ENVIRONMENT_TYPES' );
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}
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_deprecated_argument(
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'define()',
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'5.5.1',
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$message
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);
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}
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// Check if the environment variable has been set, if `getenv` is available on the system.
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if ( function_exists( 'getenv' ) ) {
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$has_env = getenv( 'WP_ENVIRONMENT_TYPE' );
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if ( false !== $has_env ) {
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$current_env = $has_env;
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}
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}
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// Fetch the environment from a constant, this overrides the global system variable.
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if ( defined( 'WP_ENVIRONMENT_TYPE' ) && WP_ENVIRONMENT_TYPE ) {
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$current_env = WP_ENVIRONMENT_TYPE;
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}
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// Make sure the environment is an allowed one, and not accidentally set to an invalid value.
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if ( ! in_array( $current_env, $wp_environments, true ) ) {
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$current_env = 'production';
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}
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return $current_env;
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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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* @deprecated 5.4.0 Deprecated in favor of do_favicon().
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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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* 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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function wp_maintenance() {
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// Return if maintenance mode is disabled.
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if ( ! wp_is_maintenance_mode() ) {
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return;
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}
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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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require_once ABSPATH . WPINC . '/functions.php';
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wp_load_translations_early();
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header( 'Retry-After: 600' );
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wp_die(
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__( 'Briefly unavailable for scheduled maintenance. Check back in a minute.' ),
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__( 'Maintenance' ),
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503
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);
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}
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/**
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* Check if maintenance mode is enabled.
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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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* is in maintenance mode.
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*
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* @since 5.5.0
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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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* @return bool True if maintenance mode is enabled, false otherwise.
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*/
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function wp_is_maintenance_mode() {
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global $upgrading;
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if ( ! file_exists( ABSPATH . '.maintenance' ) || wp_installing() ) {
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return false;
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}
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require ABSPATH . '.maintenance';
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// If the $upgrading timestamp is older than 10 minutes, consider maintenance over.
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if ( ( time() - $upgrading ) >= 10 * MINUTE_IN_SECONDS ) {
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return false;
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}
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/**
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* Filters whether to enable maintenance mode.
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*
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* This filter runs before it can be used by plugins. It is designed for
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* non-web runtimes. If this filter returns true, maintenance mode will be
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* active and the request will end. If false, the request will be allowed to
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* continue processing even if maintenance mode should be active.
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*
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* @since 4.6.0
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*
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* @param bool $enable_checks Whether to enable maintenance mode. Default true.
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* @param int $upgrading The timestamp set in the .maintenance file.
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*/
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if ( ! apply_filters( 'enable_maintenance_mode', true, $upgrading ) ) {
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return false;
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}
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return true;
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}
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/**
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* Get the time elapsed so far during this PHP script.
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*
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* Uses REQUEST_TIME_FLOAT that appeared in PHP 5.4.0.
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*
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* @since 5.8.0
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*
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* @return float Seconds since the PHP script started.
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*/
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function timer_float() {
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return microtime( true ) - $_SERVER['REQUEST_TIME_FLOAT'];
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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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}
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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 `wp-content/debug.log`.
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* When `WP_DEBUG_LOG` is a valid path, errors will be logged to the specified file.
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*
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* Errors are never displayed for XML-RPC, REST, `ms-files.php`, and Ajax requests.
|
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*
|
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* @since 3.0.0
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* @since 5.1.0 `WP_DEBUG_LOG` can be a file path.
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* @access private
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*/
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function wp_debug_mode() {
|
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/**
|
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* Filters whether to allow the debug mode check to occur.
|
|
*
|
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* This filter runs before it can be used by plugins. It is designed for
|
|
* non-web runtimes. Returning false causes the `WP_DEBUG` and related
|
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* constants to not be checked and the default PHP values for errors
|
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* will be used unless you take care to update them yourself.
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*
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* To use this filter you must define a `$wp_filter` global before
|
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* WordPress loads, usually in `wp-config.php`.
|
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*
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* Example:
|
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*
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* $GLOBALS['wp_filter'] = array(
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* 'enable_wp_debug_mode_checks' => array(
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* 10 => array(
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* array(
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* 'accepted_args' => 0,
|
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* 'function' => function() {
|
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* return false;
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* },
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* ),
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* ),
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* ),
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* );
|
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*
|
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* @since 4.6.0
|
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*
|
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* @param bool $enable_debug_mode Whether to enable debug mode checks to occur. Default true.
|
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*/
|
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if ( ! apply_filters( 'enable_wp_debug_mode_checks', true ) ) {
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return;
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}
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|
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if ( WP_DEBUG ) {
|
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error_reporting( E_ALL );
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|
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if ( WP_DEBUG_DISPLAY ) {
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ini_set( 'display_errors', 1 );
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} elseif ( null !== WP_DEBUG_DISPLAY ) {
|
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ini_set( 'display_errors', 0 );
|
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}
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|
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if ( in_array( strtolower( (string) WP_DEBUG_LOG ), array( 'true', '1' ), true ) ) {
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$log_path = WP_CONTENT_DIR . '/debug.log';
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} elseif ( is_string( WP_DEBUG_LOG ) ) {
|
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$log_path = WP_DEBUG_LOG;
|
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} else {
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$log_path = false;
|
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}
|
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|
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if ( $log_path ) {
|
|
ini_set( 'log_errors', 1 );
|
|
ini_set( 'error_log', $log_path );
|
|
}
|
|
} else {
|
|
error_reporting( E_CORE_ERROR | E_CORE_WARNING | E_COMPILE_ERROR | E_ERROR | E_WARNING | E_PARSE | E_USER_ERROR | E_USER_WARNING | E_RECOVERABLE_ERROR );
|
|
}
|
|
|
|
if (
|
|
defined( 'XMLRPC_REQUEST' ) || defined( 'REST_REQUEST' ) || defined( 'MS_FILES_REQUEST' ) ||
|
|
( defined( 'WP_INSTALLING' ) && WP_INSTALLING ) ||
|
|
wp_doing_ajax() || wp_is_json_request() ) {
|
|
ini_set( 'display_errors', 0 );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Set the location of the language directory.
|
|
*
|
|
* To set directory manually, define the `WP_LANG_DIR` constant
|
|
* in wp-config.php.
|
|
*
|
|
* If the language directory exists within `WP_CONTENT_DIR`, it
|
|
* is used. Otherwise the language directory is assumed to live
|
|
* in `WPINC`.
|
|
*
|
|
* @since 3.0.0
|
|
* @access private
|
|
*/
|
|
function wp_set_lang_dir() {
|
|
if ( ! defined( 'WP_LANG_DIR' ) ) {
|
|
if ( file_exists( WP_CONTENT_DIR . '/languages' ) && @is_dir( WP_CONTENT_DIR . '/languages' ) || ! @is_dir( ABSPATH . WPINC . '/languages' ) ) {
|
|
/**
|
|
* Server path of the language directory.
|
|
*
|
|
* No leading slash, no trailing slash, full path, not relative to ABSPATH
|
|
*
|
|
* @since 2.1.0
|
|
*/
|
|
define( 'WP_LANG_DIR', WP_CONTENT_DIR . '/languages' );
|
|
if ( ! defined( 'LANGDIR' ) ) {
|
|
// Old static relative path maintained for limited backward compatibility - won't work in some cases.
|
|
define( 'LANGDIR', 'wp-content/languages' );
|
|
}
|
|
} else {
|
|
/**
|
|
* Server path of the language directory.
|
|
*
|
|
* No leading slash, no trailing slash, full path, not relative to `ABSPATH`.
|
|
*
|
|
* @since 2.1.0
|
|
*/
|
|
define( 'WP_LANG_DIR', ABSPATH . WPINC . '/languages' );
|
|
if ( ! defined( 'LANGDIR' ) ) {
|
|
// Old relative path maintained for backward compatibility.
|
|
define( 'LANGDIR', WPINC . '/languages' );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Load the database class file and instantiate the `$wpdb` global.
|
|
*
|
|
* @since 2.5.0
|
|
*
|
|
* @global wpdb $wpdb WordPress database abstraction object.
|
|
*/
|
|
function require_wp_db() {
|
|
global $wpdb;
|
|
|
|
require_once ABSPATH . WPINC . '/class-wpdb.php';
|
|
|
|
if ( file_exists( WP_CONTENT_DIR . '/db.php' ) ) {
|
|
require_once WP_CONTENT_DIR . '/db.php';
|
|
}
|
|
|
|
if ( isset( $wpdb ) ) {
|
|
return;
|
|
}
|
|
|
|
$dbuser = defined( 'DB_USER' ) ? DB_USER : '';
|
|
$dbpassword = defined( 'DB_PASSWORD' ) ? DB_PASSWORD : '';
|
|
$dbname = defined( 'DB_NAME' ) ? DB_NAME : '';
|
|
$dbhost = defined( 'DB_HOST' ) ? DB_HOST : '';
|
|
|
|
$wpdb = new wpdb( $dbuser, $dbpassword, $dbname, $dbhost );
|
|
}
|
|
|
|
/**
|
|
* Set the database table prefix and the format specifiers for database
|
|
* table columns.
|
|
*
|
|
* Columns not listed here default to `%s`.
|
|
*
|
|
* @since 3.0.0
|
|
* @access private
|
|
*
|
|
* @global wpdb $wpdb WordPress database abstraction object.
|
|
* @global string $table_prefix The database table prefix.
|
|
*/
|
|
function wp_set_wpdb_vars() {
|
|
global $wpdb, $table_prefix;
|
|
if ( ! empty( $wpdb->error ) ) {
|
|
dead_db();
|
|
}
|
|
|
|
$wpdb->field_types = array(
|
|
'post_author' => '%d',
|
|
'post_parent' => '%d',
|
|
'menu_order' => '%d',
|
|
'term_id' => '%d',
|
|
'term_group' => '%d',
|
|
'term_taxonomy_id' => '%d',
|
|
'parent' => '%d',
|
|
'count' => '%d',
|
|
'object_id' => '%d',
|
|
'term_order' => '%d',
|
|
'ID' => '%d',
|
|
'comment_ID' => '%d',
|
|
'comment_post_ID' => '%d',
|
|
'comment_parent' => '%d',
|
|
'user_id' => '%d',
|
|
'link_id' => '%d',
|
|
'link_owner' => '%d',
|
|
'link_rating' => '%d',
|
|
'option_id' => '%d',
|
|
'blog_id' => '%d',
|
|
'meta_id' => '%d',
|
|
'post_id' => '%d',
|
|
'user_status' => '%d',
|
|
'umeta_id' => '%d',
|
|
'comment_karma' => '%d',
|
|
'comment_count' => '%d',
|
|
// Multisite:
|
|
'active' => '%d',
|
|
'cat_id' => '%d',
|
|
'deleted' => '%d',
|
|
'lang_id' => '%d',
|
|
'mature' => '%d',
|
|
'public' => '%d',
|
|
'site_id' => '%d',
|
|
'spam' => '%d',
|
|
);
|
|
|
|
$prefix = $wpdb->set_prefix( $table_prefix );
|
|
|
|
if ( is_wp_error( $prefix ) ) {
|
|
wp_load_translations_early();
|
|
wp_die(
|
|
sprintf(
|
|
/* translators: 1: $table_prefix, 2: wp-config.php */
|
|
__( '<strong>Error:</strong> %1$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
|
|
* touching global.
|
|
*
|
|
* @since 3.7.0
|
|
*
|
|
* @global bool $_wp_using_ext_object_cache
|
|
*
|
|
* @param bool $using Whether external object cache is being used.
|
|
* @return bool The current 'using' setting.
|
|
*/
|
|
function wp_using_ext_object_cache( $using = null ) {
|
|
global $_wp_using_ext_object_cache;
|
|
$current_using = $_wp_using_ext_object_cache;
|
|
if ( null !== $using ) {
|
|
$_wp_using_ext_object_cache = $using;
|
|
}
|
|
return $current_using;
|
|
}
|
|
|
|
/**
|
|
* Start the WordPress object cache.
|
|
*
|
|
* If an object-cache.php file exists in the wp-content directory,
|
|
* it uses that drop-in as an external object cache.
|
|
*
|
|
* @since 3.0.0
|
|
* @access private
|
|
*
|
|
* @global array $wp_filter Stores all of the filters.
|
|
*/
|
|
function wp_start_object_cache() {
|
|
global $wp_filter;
|
|
static $first_init = true;
|
|
|
|
// Only perform the following checks once.
|
|
|
|
/**
|
|
* Filters whether to enable loading of the object-cache.php drop-in.
|
|
*
|
|
* This filter runs before it can be used by plugins. It is designed for non-web
|
|
* runtimes. If false is returned, object-cache.php will never be loaded.
|
|
*
|
|
* @since 5.8.0
|
|
*
|
|
* @param bool $enable_object_cache Whether to enable loading object-cache.php (if present).
|
|
* Default true.
|
|
*/
|
|
if ( $first_init && apply_filters( 'enable_loading_object_cache_dropin', true ) ) {
|
|
if ( ! function_exists( 'wp_cache_init' ) ) {
|
|
/*
|
|
* This is the normal situation. First-run of this function. No
|
|
* caching backend has been loaded.
|
|
*
|
|
* We try to load a custom caching backend, and then, if it
|
|
* results in a wp_cache_init() function existing, we note
|
|
* that an external object cache is being used.
|
|
*/
|
|
if ( file_exists( WP_CONTENT_DIR . '/object-cache.php' ) ) {
|
|
require_once WP_CONTENT_DIR . '/object-cache.php';
|
|
if ( function_exists( 'wp_cache_init' ) ) {
|
|
wp_using_ext_object_cache( true );
|
|
}
|
|
|
|
// Re-initialize any hooks added manually by object-cache.php.
|
|
if ( $wp_filter ) {
|
|
$wp_filter = WP_Hook::build_preinitialized_hooks( $wp_filter );
|
|
}
|
|
}
|
|
} elseif ( ! wp_using_ext_object_cache() && file_exists( WP_CONTENT_DIR . '/object-cache.php' ) ) {
|
|
/*
|
|
* Sometimes advanced-cache.php can load object-cache.php before
|
|
* this function is run. This breaks the function_exists() check
|
|
* above and can result in wp_using_ext_object_cache() returning
|
|
* false when actually an external cache is in use.
|
|
*/
|
|
wp_using_ext_object_cache( true );
|
|
}
|
|
}
|
|
|
|
if ( ! wp_using_ext_object_cache() ) {
|
|
require_once ABSPATH . WPINC . '/cache.php';
|
|
}
|
|
|
|
require_once ABSPATH . WPINC . '/cache-compat.php';
|
|
|
|
/*
|
|
* If cache supports reset, reset instead of init if already
|
|
* initialized. Reset signals to the cache that global IDs
|
|
* have changed and it may need to update keys and cleanup caches.
|
|
*/
|
|
if ( ! $first_init && function_exists( 'wp_cache_switch_to_blog' ) ) {
|
|
wp_cache_switch_to_blog( get_current_blog_id() );
|
|
} elseif ( function_exists( 'wp_cache_init' ) ) {
|
|
wp_cache_init();
|
|
}
|
|
|
|
if ( function_exists( 'wp_cache_add_global_groups' ) ) {
|
|
wp_cache_add_global_groups(
|
|
array(
|
|
'blog-details',
|
|
'blog-id-cache',
|
|
'blog-lookup',
|
|
'blog_meta',
|
|
'global-posts',
|
|
'networks',
|
|
'sites',
|
|
'site-details',
|
|
'site-options',
|
|
'site-transient',
|
|
'rss',
|
|
'users',
|
|
'useremail',
|
|
'userlogins',
|
|
'usermeta',
|
|
'user_meta',
|
|
'userslugs',
|
|
)
|
|
);
|
|
|
|
wp_cache_add_non_persistent_groups( array( 'counts', 'plugins', 'theme_json' ) );
|
|
}
|
|
|
|
$first_init = false;
|
|
}
|
|
|
|
/**
|
|
* Redirect to the installer if WordPress is not installed.
|
|
*
|
|
* Dies with an error message when Multisite is enabled.
|
|
*
|
|
* @since 3.0.0
|
|
* @access private
|
|
*/
|
|
function wp_not_installed() {
|
|
if ( is_blog_installed() || wp_installing() ) {
|
|
return;
|
|
}
|
|
|
|
nocache_headers();
|
|
|
|
if ( is_multisite() ) {
|
|
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';
|
|
|
|
$link = wp_guess_url() . '/wp-admin/install.php';
|
|
|
|
wp_redirect( $link );
|
|
die();
|
|
}
|
|
|
|
/**
|
|
* Retrieve an array of must-use plugin files.
|
|
*
|
|
* The default directory is wp-content/mu-plugins. To change the default
|
|
* directory manually, define `WPMU_PLUGIN_DIR` and `WPMU_PLUGIN_URL`
|
|
* in wp-config.php.
|
|
*
|
|
* @since 3.0.0
|
|
* @access private
|
|
*
|
|
* @return string[] Array of absolute paths of files to include.
|
|
*/
|
|
function wp_get_mu_plugins() {
|
|
$mu_plugins = array();
|
|
if ( ! is_dir( WPMU_PLUGIN_DIR ) ) {
|
|
return $mu_plugins;
|
|
}
|
|
$dh = opendir( WPMU_PLUGIN_DIR );
|
|
if ( ! $dh ) {
|
|
return $mu_plugins;
|
|
}
|
|
while ( ( $plugin = readdir( $dh ) ) !== false ) {
|
|
if ( '.php' === substr( $plugin, -4 ) ) {
|
|
$mu_plugins[] = WPMU_PLUGIN_DIR . '/' . $plugin;
|
|
}
|
|
}
|
|
closedir( $dh );
|
|
sort( $mu_plugins );
|
|
|
|
return $mu_plugins;
|
|
}
|
|
|
|
/**
|
|
* Retrieve an array of active and valid plugin files.
|
|
*
|
|
* While upgrading or installing WordPress, no plugins are returned.
|
|
*
|
|
* The default directory is `wp-content/plugins`. To change the default
|
|
* directory manually, define `WP_PLUGIN_DIR` and `WP_PLUGIN_URL`
|
|
* in `wp-config.php`.
|
|
*
|
|
* @since 3.0.0
|
|
* @access private
|
|
*
|
|
* @return string[] Array of paths to plugin files relative to the plugins directory.
|
|
*/
|
|
function wp_get_active_and_valid_plugins() {
|
|
$plugins = array();
|
|
$active_plugins = (array) get_option( 'active_plugins', array() );
|
|
|
|
// Check for hacks file if the option is enabled.
|
|
if ( get_option( 'hack_file' ) && file_exists( ABSPATH . 'my-hacks.php' ) ) {
|
|
_deprecated_file( 'my-hacks.php', '1.5.0' );
|
|
array_unshift( $plugins, ABSPATH . 'my-hacks.php' );
|
|
}
|
|
|
|
if ( empty( $active_plugins ) || wp_installing() ) {
|
|
return $plugins;
|
|
}
|
|
|
|
$network_plugins = is_multisite() ? wp_get_active_network_plugins() : false;
|
|
|
|
foreach ( $active_plugins as $plugin ) {
|
|
if ( ! validate_file( $plugin ) // $plugin must validate as file.
|
|
&& '.php' === substr( $plugin, -4 ) // $plugin must end with '.php'.
|
|
&& file_exists( WP_PLUGIN_DIR . '/' . $plugin ) // $plugin must exist.
|
|
// Not already included as a network plugin.
|
|
&& ( ! $network_plugins || ! in_array( WP_PLUGIN_DIR . '/' . $plugin, $network_plugins, true ) )
|
|
) {
|
|
$plugins[] = WP_PLUGIN_DIR . '/' . $plugin;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Remove plugins from the list of active plugins when we're on an endpoint
|
|
* that should be protected against WSODs and the plugin is paused.
|
|
*/
|
|
if ( wp_is_recovery_mode() ) {
|
|
$plugins = wp_skip_paused_plugins( $plugins );
|
|
}
|
|
|
|
return $plugins;
|
|
}
|
|
|
|
/**
|
|
* Filters a given list of plugins, removing any paused plugins from it.
|
|
*
|
|
* @since 5.2.0
|
|
*
|
|
* @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();
|
|
|
|
if ( empty( $paused_plugins ) ) {
|
|
return $plugins;
|
|
}
|
|
|
|
foreach ( $plugins as $index => $plugin ) {
|
|
list( $plugin ) = explode( '/', plugin_basename( $plugin ) );
|
|
|
|
if ( array_key_exists( $plugin, $paused_plugins ) ) {
|
|
unset( $plugins[ $index ] );
|
|
|
|
// Store list of paused plugins for displaying an admin notice.
|
|
$GLOBALS['_paused_plugins'][ $plugin ] = $paused_plugins[ $plugin ];
|
|
}
|
|
}
|
|
|
|
return $plugins;
|
|
}
|
|
|
|
/**
|
|
* Retrieves an array of active and valid themes.
|
|
*
|
|
* While upgrading or installing WordPress, no themes are returned.
|
|
*
|
|
* @since 5.1.0
|
|
* @access private
|
|
*
|
|
* @global string $pagenow The filename of the current screen.
|
|
*
|
|
* @return string[] Array of absolute paths to theme directories.
|
|
*/
|
|
function wp_get_active_and_valid_themes() {
|
|
global $pagenow;
|
|
|
|
$themes = array();
|
|
|
|
if ( wp_installing() && 'wp-activate.php' !== $pagenow ) {
|
|
return $themes;
|
|
}
|
|
|
|
if ( TEMPLATEPATH !== STYLESHEETPATH ) {
|
|
$themes[] = STYLESHEETPATH;
|
|
}
|
|
|
|
$themes[] = TEMPLATEPATH;
|
|
|
|
/*
|
|
* Remove themes from the list of active themes when we're on an endpoint
|
|
* that should be protected against WSODs and the theme is paused.
|
|
*/
|
|
if ( wp_is_recovery_mode() ) {
|
|
$themes = wp_skip_paused_themes( $themes );
|
|
|
|
// If no active and valid themes exist, skip loading themes.
|
|
if ( empty( $themes ) ) {
|
|
add_filter( 'wp_using_themes', '__return_false' );
|
|
}
|
|
}
|
|
|
|
return $themes;
|
|
}
|
|
|
|
/**
|
|
* Filters a given list of themes, removing any paused themes from it.
|
|
*
|
|
* @since 5.2.0
|
|
*
|
|
* @param 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();
|
|
|
|
if ( empty( $paused_themes ) ) {
|
|
return $themes;
|
|
}
|
|
|
|
foreach ( $themes as $index => $theme ) {
|
|
$theme = basename( $theme );
|
|
|
|
if ( array_key_exists( $theme, $paused_themes ) ) {
|
|
unset( $themes[ $index ] );
|
|
|
|
// Store list of paused themes for displaying an admin notice.
|
|
$GLOBALS['_paused_themes'][ $theme ] = $paused_themes[ $theme ];
|
|
}
|
|
}
|
|
|
|
return $themes;
|
|
}
|
|
|
|
/**
|
|
* Is WordPress in Recovery Mode.
|
|
*
|
|
* In this mode, plugins or themes that cause WSODs will be paused.
|
|
*
|
|
* @since 5.2.0
|
|
*
|
|
* @return bool
|
|
*/
|
|
function wp_is_recovery_mode() {
|
|
return wp_recovery_mode()->is_active();
|
|
}
|
|
|
|
/**
|
|
* Determines whether we are currently on an endpoint that should be protected against WSODs.
|
|
*
|
|
* @since 5.2.0
|
|
*
|
|
* @global string $pagenow The filename of the current screen.
|
|
*
|
|
* @return bool True if the current endpoint should be protected.
|
|
*/
|
|
function is_protected_endpoint() {
|
|
// Protect login pages.
|
|
if ( isset( $GLOBALS['pagenow'] ) && 'wp-login.php' === $GLOBALS['pagenow'] ) {
|
|
return true;
|
|
}
|
|
|
|
// Protect the admin backend.
|
|
if ( is_admin() && ! wp_doing_ajax() ) {
|
|
return true;
|
|
}
|
|
|
|
// Protect Ajax actions that could help resolve a fatal error should be available.
|
|
if ( is_protected_ajax_action() ) {
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Filters whether the current request is against a protected endpoint.
|
|
*
|
|
* This filter is only fired when an endpoint is requested which is not already protected by
|
|
* WordPress core. As such, it exclusively allows providing further protected endpoints in
|
|
* addition to the admin backend, login pages and protected Ajax actions.
|
|
*
|
|
* @since 5.2.0
|
|
*
|
|
* @param bool $is_protected_endpoint Whether the currently requested endpoint is protected.
|
|
* Default false.
|
|
*/
|
|
return (bool) apply_filters( 'is_protected_endpoint', false );
|
|
}
|
|
|
|
/**
|
|
* Determines whether we are currently handling an Ajax action that should be protected against WSODs.
|
|
*
|
|
* @since 5.2.0
|
|
*
|
|
* @return bool True if the current Ajax action should be protected.
|
|
*/
|
|
function is_protected_ajax_action() {
|
|
if ( ! wp_doing_ajax() ) {
|
|
return false;
|
|
}
|
|
|
|
if ( ! isset( $_REQUEST['action'] ) ) {
|
|
return false;
|
|
}
|
|
|
|
$actions_to_protect = array(
|
|
'edit-theme-plugin-file', // Saving changes in the core code editor.
|
|
'heartbeat', // Keep the heart beating.
|
|
'install-plugin', // Installing a new plugin.
|
|
'install-theme', // Installing a new theme.
|
|
'search-plugins', // Searching in the list of plugins.
|
|
'search-install-plugins', // Searching for a plugin in the plugin install screen.
|
|
'update-plugin', // Update an existing plugin.
|
|
'update-theme', // Update an existing theme.
|
|
);
|
|
|
|
/**
|
|
* Filters the array of protected Ajax actions.
|
|
*
|
|
* This filter is only fired when doing Ajax and the Ajax request has an 'action' property.
|
|
*
|
|
* @since 5.2.0
|
|
*
|
|
* @param string[] $actions_to_protect Array of strings with Ajax actions to protect.
|
|
*/
|
|
$actions_to_protect = (array) apply_filters( 'wp_protected_ajax_actions', $actions_to_protect );
|
|
|
|
if ( ! in_array( $_REQUEST['action'], $actions_to_protect, true ) ) {
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Set internal encoding.
|
|
*
|
|
* In most cases the default internal encoding is latin1, which is
|
|
* of no use, since we want to use the `mb_` functions for `utf-8` strings.
|
|
*
|
|
* @since 3.0.0
|
|
* @access private
|
|
*/
|
|
function wp_set_internal_encoding() {
|
|
if ( function_exists( 'mb_internal_encoding' ) ) {
|
|
$charset = get_option( 'blog_charset' );
|
|
// phpcs:ignore WordPress.PHP.NoSilencedErrors.Discouraged
|
|
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() {
|
|
// 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 $input_object The object to clone.
|
|
* @return object The cloned object.
|
|
*/
|
|
function wp_clone( $input_object ) {
|
|
// Use parens for clone to accommodate PHP 4. See #17880.
|
|
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.
|
|
*
|
|
* Does not check if the user is an administrator; use current_user_can()
|
|
* for checking roles and capabilities.
|
|
*
|
|
* For more information on this and similar theme functions, check out
|
|
* the {@link https://developer.wordpress.org/themes/basics/conditional-tags/
|
|
* Conditional Tags} article in the Theme Developer Handbook.
|
|
*
|
|
* @since 1.5.1
|
|
*
|
|
* @global WP_Screen $current_screen WordPress current screen object.
|
|
*
|
|
* @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;
|
|
}
|
|
|
|
/**
|
|
* 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 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 WP_BLOG_ADMIN;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* 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.
|
|
*
|
|
* Does not check if the site is a Multisite network; use is_multisite()
|
|
* for checking if Multisite is enabled.
|
|
*
|
|
* @since 3.1.0
|
|
*
|
|
* @global WP_Screen $current_screen WordPress current screen object.
|
|
*
|
|
* @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;
|
|
}
|
|
|
|
/**
|
|
* 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.
|
|
*
|
|
* @since 3.1.0
|
|
*
|
|
* @global WP_Screen $current_screen WordPress current screen object.
|
|
*
|
|
* @return bool True if inside WordPress user administration pages.
|
|
*/
|
|
function is_user_admin() {
|
|
if ( isset( $GLOBALS['current_screen'] ) ) {
|
|
return $GLOBALS['current_screen']->in_admin( 'user' );
|
|
} elseif ( defined( 'WP_USER_ADMIN' ) ) {
|
|
return WP_USER_ADMIN;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* If Multisite is enabled.
|
|
*
|
|
* @since 3.0.0
|
|
*
|
|
* @return bool True if Multisite is enabled, false otherwise.
|
|
*/
|
|
function is_multisite() {
|
|
if ( defined( 'MULTISITE' ) ) {
|
|
return MULTISITE;
|
|
}
|
|
|
|
if ( defined( 'SUBDOMAIN_INSTALL' ) || defined( 'VHOST' ) || defined( 'SUNRISE' ) ) {
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Retrieve the current site ID.
|
|
*
|
|
* @since 3.1.0
|
|
*
|
|
* @global int $blog_id
|
|
*
|
|
* @return int Site ID.
|
|
*/
|
|
function get_current_blog_id() {
|
|
global $blog_id;
|
|
return absint( $blog_id );
|
|
}
|
|
|
|
/**
|
|
* Retrieves the current network ID.
|
|
*
|
|
* @since 4.6.0
|
|
*
|
|
* @return int The ID of the current network.
|
|
*/
|
|
function get_current_network_id() {
|
|
if ( ! is_multisite() ) {
|
|
return 1;
|
|
}
|
|
|
|
$current_network = get_network();
|
|
|
|
if ( ! isset( $current_network->id ) ) {
|
|
return get_main_network_id();
|
|
}
|
|
|
|
return absint( $current_network->id );
|
|
}
|
|
|
|
/**
|
|
* Attempt an early load of translations.
|
|
*
|
|
* Used for errors encountered during the initial loading process, before
|
|
* the locale has been properly detected and loaded.
|
|
*
|
|
* Designed for unusual load sequences (like setup-config.php) or for when
|
|
* the script will then terminate with an error, otherwise there is a risk
|
|
* that a file can be double-included.
|
|
*
|
|
* @since 3.4.0
|
|
* @access private
|
|
*
|
|
* @global WP_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_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.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;
|
|
}
|
|
$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', $locale );
|
|
if ( defined( 'WP_SETUP_CONFIG' ) && file_exists( $location . '/admin-' . $locale . '.mo' ) ) {
|
|
load_textdomain( 'default', $location . '/admin-' . $locale . '.mo', $locale );
|
|
}
|
|
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
|
|
*
|
|
* @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://www.php.net/manual/en/function.ini-get.php
|
|
* @link https://www.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://www.php.net/manual/en/function.ini-get-all.php
|
|
*
|
|
* @param string $setting The name of the ini setting to check.
|
|
* @return bool True if the value is changeable at runtime. False otherwise.
|
|
*/
|
|
function wp_is_ini_value_changeable( $setting ) {
|
|
static $ini_all;
|
|
|
|
if ( ! isset( $ini_all ) ) {
|
|
$ini_all = false;
|
|
// Sometimes `ini_get_all()` is disabled via the `disable_functions` option for "security purposes".
|
|
if ( function_exists( 'ini_get_all' ) ) {
|
|
$ini_all = ini_get_all();
|
|
}
|
|
}
|
|
|
|
// Bit operator to workaround https://bugs.php.net/bug.php?id=44936 which changes access level to 63 in PHP 5.2.6 - 5.2.17.
|
|
if ( isset( $ini_all[ $setting ]['access'] ) && ( INI_ALL === ( $ini_all[ $setting ]['access'] & 7 ) || INI_USER === ( $ini_all[ $setting ]['access'] & 7 ) ) ) {
|
|
return true;
|
|
}
|
|
|
|
// If we were unable to retrieve the details, fail gracefully to assume it's changeable.
|
|
if ( ! is_array( $ini_all ) ) {
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Determines whether the current request is a WordPress Ajax request.
|
|
*
|
|
* @since 4.7.0
|
|
*
|
|
* @return bool True if it's a WordPress Ajax request, false otherwise.
|
|
*/
|
|
function wp_doing_ajax() {
|
|
/**
|
|
* Filters whether the current request is a WordPress Ajax request.
|
|
*
|
|
* @since 4.7.0
|
|
*
|
|
* @param bool $wp_doing_ajax Whether the current request is a WordPress Ajax request.
|
|
*/
|
|
return apply_filters( 'wp_doing_ajax', defined( 'DOING_AJAX' ) && DOING_AJAX );
|
|
}
|
|
|
|
/**
|
|
* Determines whether the current request should use themes.
|
|
*
|
|
* @since 5.1.0
|
|
*
|
|
* @return bool True if themes should be used, false otherwise.
|
|
*/
|
|
function wp_using_themes() {
|
|
/**
|
|
* Filters whether the current request should use themes.
|
|
*
|
|
* @since 5.1.0
|
|
*
|
|
* @param bool $wp_using_themes Whether the current request should use themes.
|
|
*/
|
|
return apply_filters( 'wp_using_themes', defined( 'WP_USE_THEMES' ) && WP_USE_THEMES );
|
|
}
|
|
|
|
/**
|
|
* Determines whether the current request is a WordPress cron request.
|
|
*
|
|
* @since 4.8.0
|
|
*
|
|
* @return bool True if it's a WordPress cron request, false otherwise.
|
|
*/
|
|
function wp_doing_cron() {
|
|
/**
|
|
* Filters whether the current request is a WordPress cron request.
|
|
*
|
|
* @since 4.8.0
|
|
*
|
|
* @param bool $wp_doing_cron Whether the current request is a WordPress cron request.
|
|
*/
|
|
return apply_filters( 'wp_doing_cron', defined( 'DOING_CRON' ) && DOING_CRON );
|
|
}
|
|
|
|
/**
|
|
* Checks whether the given variable is a WordPress Error.
|
|
*
|
|
* Returns whether `$thing` is an instance of the `WP_Error` class.
|
|
*
|
|
* @since 2.1.0
|
|
*
|
|
* @param mixed $thing The variable to check.
|
|
* @return bool Whether the variable is an instance of WP_Error.
|
|
*/
|
|
function is_wp_error( $thing ) {
|
|
$is_wp_error = ( $thing instanceof WP_Error );
|
|
|
|
if ( $is_wp_error ) {
|
|
/**
|
|
* Fires when `is_wp_error()` is called and its parameter is an instance of `WP_Error`.
|
|
*
|
|
* @since 5.6.0
|
|
*
|
|
* @param WP_Error $thing The error object passed to `is_wp_error()`.
|
|
*/
|
|
do_action( 'is_wp_error_instance', $thing );
|
|
}
|
|
|
|
return $is_wp_error;
|
|
}
|
|
|
|
/**
|
|
* Determines whether file modifications are allowed.
|
|
*
|
|
* @since 4.8.0
|
|
*
|
|
* @param string $context The usage context.
|
|
* @return bool True if file modification is allowed, false otherwise.
|
|
*/
|
|
function wp_is_file_mod_allowed( $context ) {
|
|
/**
|
|
* Filters whether file modifications are allowed.
|
|
*
|
|
* @since 4.8.0
|
|
*
|
|
* @param bool $file_mod_allowed Whether file modifications are allowed.
|
|
* @param string $context The usage context.
|
|
*/
|
|
return apply_filters( 'file_mod_allowed', ! defined( 'DISALLOW_FILE_MODS' ) || ! DISALLOW_FILE_MODS, $context );
|
|
}
|
|
|
|
/**
|
|
* Start scraping edited file errors.
|
|
*
|
|
* @since 4.9.0
|
|
*/
|
|
function wp_start_scraping_edited_file_errors() {
|
|
if ( ! isset( $_REQUEST['wp_scrape_key'] ) || ! isset( $_REQUEST['wp_scrape_nonce'] ) ) {
|
|
return;
|
|
}
|
|
$key = substr( sanitize_key( wp_unslash( $_REQUEST['wp_scrape_key'] ) ), 0, 32 );
|
|
$nonce = wp_unslash( $_REQUEST['wp_scrape_nonce'] );
|
|
|
|
if ( get_transient( 'scrape_key_' . $key ) !== $nonce ) {
|
|
echo "###### wp_scraping_result_start:$key ######";
|
|
echo wp_json_encode(
|
|
array(
|
|
'code' => 'scrape_nonce_failure',
|
|
'message' => __( 'Scrape key check failed. Please try again.' ),
|
|
)
|
|
);
|
|
echo "###### wp_scraping_result_end:$key ######";
|
|
die();
|
|
}
|
|
if ( ! defined( 'WP_SANDBOX_SCRAPING' ) ) {
|
|
define( 'WP_SANDBOX_SCRAPING', true );
|
|
}
|
|
register_shutdown_function( 'wp_finalize_scraping_edited_file_errors', $key );
|
|
}
|
|
|
|
/**
|
|
* Finalize scraping for edited file errors.
|
|
*
|
|
* @since 4.9.0
|
|
*
|
|
* @param string $scrape_key Scrape key.
|
|
*/
|
|
function wp_finalize_scraping_edited_file_errors( $scrape_key ) {
|
|
$error = error_get_last();
|
|
echo "\n###### wp_scraping_result_start:$scrape_key ######\n";
|
|
if ( ! empty( $error ) && in_array( $error['type'], array( E_CORE_ERROR, E_COMPILE_ERROR, E_ERROR, E_PARSE, E_USER_ERROR, E_RECOVERABLE_ERROR ), true ) ) {
|
|
$error = str_replace( ABSPATH, '', $error );
|
|
echo wp_json_encode( $error );
|
|
} else {
|
|
echo wp_json_encode( true );
|
|
}
|
|
echo "\n###### wp_scraping_result_end:$scrape_key ######\n";
|
|
}
|
|
|
|
/**
|
|
* Checks whether current request is a JSON request, or is expecting a JSON response.
|
|
*
|
|
* @since 5.0.0
|
|
*
|
|
* @return bool True if `Accepts` or `Content-Type` headers contain `application/json`.
|
|
* False otherwise.
|
|
*/
|
|
function wp_is_json_request() {
|
|
|
|
if ( isset( $_SERVER['HTTP_ACCEPT'] ) && 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.
|
|
*
|
|
* @since 5.2.0
|
|
*
|
|
* @return bool True if JSONP request, false otherwise.
|
|
*/
|
|
function wp_is_jsonp_request() {
|
|
if ( ! isset( $_GET['_jsonp'] ) ) {
|
|
return false;
|
|
}
|
|
|
|
if ( ! function_exists( 'wp_check_jsonp_callback' ) ) {
|
|
require_once ABSPATH . WPINC . '/functions.php';
|
|
}
|
|
|
|
$jsonp_callback = $_GET['_jsonp'];
|
|
if ( ! wp_check_jsonp_callback( $jsonp_callback ) ) {
|
|
return false;
|
|
}
|
|
|
|
/** This filter is documented in wp-includes/rest-api/class-wp-rest-server.php */
|
|
$jsonp_enabled = apply_filters( 'rest_jsonp_enabled', true );
|
|
|
|
return $jsonp_enabled;
|
|
|
|
}
|
|
|
|
/**
|
|
* Checks whether a string is a valid JSON Media Type.
|
|
*
|
|
* @since 5.6.0
|
|
*
|
|
* @param string $media_type A Media Type string to check.
|
|
* @return bool True if string is a valid JSON Media Type.
|
|
*/
|
|
function wp_is_json_media_type( $media_type ) {
|
|
static $cache = array();
|
|
|
|
if ( ! isset( $cache[ $media_type ] ) ) {
|
|
$cache[ $media_type ] = (bool) preg_match( '/(^|\s|,)application\/([\w!#\$&-\^\.\+]+\+)?json(\+oembed)?($|\s|;|,)/i', $media_type );
|
|
}
|
|
|
|
return $cache[ $media_type ];
|
|
}
|
|
|
|
/**
|
|
* Checks whether current request is an XML request, or is expecting an XML response.
|
|
*
|
|
* @since 5.2.0
|
|
*
|
|
* @return bool True if `Accepts` or `Content-Type` headers contain `text/xml`
|
|
* or one of the related MIME types. False otherwise.
|
|
*/
|
|
function wp_is_xml_request() {
|
|
$accepted = array(
|
|
'text/xml',
|
|
'application/rss+xml',
|
|
'application/atom+xml',
|
|
'application/rdf+xml',
|
|
'text/xml+oembed',
|
|
'application/xml+oembed',
|
|
);
|
|
|
|
if ( isset( $_SERVER['HTTP_ACCEPT'] ) ) {
|
|
foreach ( $accepted as $type ) {
|
|
if ( false !== strpos( $_SERVER['HTTP_ACCEPT'], $type ) ) {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
|
|
if ( isset( $_SERVER['CONTENT_TYPE'] ) && in_array( $_SERVER['CONTENT_TYPE'], $accepted, true ) ) {
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Checks if this site is protected by HTTP Basic Auth.
|
|
*
|
|
* At the moment, this merely checks for the present of Basic Auth credentials. Therefore, calling
|
|
* this function with a context different from the current context may give inaccurate results.
|
|
* In a future release, this evaluation may be made more robust.
|
|
*
|
|
* Currently, this is only used by Application Passwords to prevent a conflict since it also utilizes
|
|
* Basic Auth.
|
|
*
|
|
* @since 5.6.1
|
|
*
|
|
* @global string $pagenow The filename of the current screen.
|
|
*
|
|
* @param string $context The context to check for protection. Accepts 'login', 'admin', and 'front'.
|
|
* Defaults to the current context.
|
|
* @return bool Whether the site is protected by Basic Auth.
|
|
*/
|
|
function wp_is_site_protected_by_basic_auth( $context = '' ) {
|
|
global $pagenow;
|
|
|
|
if ( ! $context ) {
|
|
if ( 'wp-login.php' === $pagenow ) {
|
|
$context = 'login';
|
|
} elseif ( is_admin() ) {
|
|
$context = 'admin';
|
|
} else {
|
|
$context = 'front';
|
|
}
|
|
}
|
|
|
|
$is_protected = ! empty( $_SERVER['PHP_AUTH_USER'] ) || ! empty( $_SERVER['PHP_AUTH_PW'] );
|
|
|
|
/**
|
|
* Filters whether a site is protected by HTTP Basic Auth.
|
|
*
|
|
* @since 5.6.1
|
|
*
|
|
* @param bool $is_protected Whether the site is protected by Basic Auth.
|
|
* @param string $context The context to check for protection. One of 'login', 'admin', or 'front'.
|
|
*/
|
|
return apply_filters( 'wp_is_site_protected_by_basic_auth', $is_protected, $context );
|
|
}
|