Edit file File name : class-domain-mapping.php Content :<?php /** * Domain Mapping 3rd Party * * @package automattic/jetpack */ namespace Automattic\Jetpack\Third_Party; use Automattic\Jetpack\Constants; /** * Class Automattic\Jetpack\Third_Party\Domain_Mapping. * * This class contains methods that are used to provide compatibility between Jetpack sync and domain mapping plugins. */ class Domain_Mapping { /** * Singleton holder. * * @var Domain_Mapping **/ private static $instance = null; /** * An array of methods that are used to hook the Jetpack sync filters for home_url and site_url to a mapping plugin. * * @var array */ public static $test_methods = array( 'hook_wordpress_mu_domain_mapping', 'hook_wpmu_dev_domain_mapping', ); /** * Singleton constructor. * * @return Domain_Mapping|null */ public static function init() { if ( self::$instance === null ) { self::$instance = new Domain_Mapping(); } return self::$instance; } /** * Class Automattic\Jetpack\Third_Party\Domain_Mapping constructor. */ private function __construct() { add_action( 'plugins_loaded', array( $this, 'attempt_to_hook_domain_mapping_plugins' ) ); } /** * This function is called on the plugins_loaded action and will loop through the $test_methods * to try and hook a domain mapping plugin to the Jetpack sync filters for the home_url and site_url callables. */ public function attempt_to_hook_domain_mapping_plugins() { if ( ! Constants::is_defined( 'SUNRISE' ) ) { return; } $hooked = false; $count = count( self::$test_methods ); for ( $i = 0; $i < $count && ! $hooked; $i++ ) { $hooked = call_user_func( array( $this, self::$test_methods[ $i ] ) ); } } /** * This method will test for a constant and function that are known to be used with Donncha's WordPress MU * Domain Mapping plugin. If conditions are met, we hook the domain_mapping_siteurl() function to Jetpack sync * filters for home_url and site_url callables. * * @return bool */ public function hook_wordpress_mu_domain_mapping() { if ( ! Constants::is_defined( 'SUNRISE_LOADED' ) || ! $this->function_exists( 'domain_mapping_siteurl' ) ) { return false; } add_filter( 'jetpack_sync_home_url', 'domain_mapping_siteurl' ); add_filter( 'jetpack_sync_site_url', 'domain_mapping_siteurl' ); return true; } /** * This method will test for a class and method known to be used in WPMU Dev's domain mapping plugin. If the * method exists, then we'll hook the swap_to_mapped_url() to our Jetpack sync filters for home_url and site_url. * * @return bool */ public function hook_wpmu_dev_domain_mapping() { if ( ! $this->class_exists( 'domain_map' ) || ! $this->method_exists( 'domain_map', 'utils' ) ) { return false; } $utils = $this->get_domain_mapping_utils_instance(); add_filter( 'jetpack_sync_home_url', array( $utils, 'swap_to_mapped_url' ) ); add_filter( 'jetpack_sync_site_url', array( $utils, 'swap_to_mapped_url' ) ); return true; } /* * Utility Methods * * These methods are very minimal, and in most cases, simply pass on arguments. Why create them you ask? * So that we can test. */ /** * Checks if a method exists. * * @param string $class Class name. * @param string $method Method name. * * @return bool Returns function_exists() without modification. */ public function method_exists( $class, $method ) { return method_exists( $class, $method ); } /** * Checks if a class exists. * * @param string $class Class name. * * @return bool Returns class_exists() without modification. */ public function class_exists( $class ) { return class_exists( $class ); } /** * Checks if a function exists. * * @param string $function Function name. * * @return bool Returns function_exists() without modification. */ public function function_exists( $function ) { return function_exists( $function ); } /** * Returns the Domain_Map::utils() instance. * * @see https://github.com/wpmudev/domain-mapping/blob/master/classes/Domainmap/Utils.php * @return \Domainmap_Utils */ public function get_domain_mapping_utils_instance() { return \domain_map::utils(); } } Domain_Mapping::init(); Save