Ticket #25840: 25840.1.diff

wp-includes/class-http.php

@@ -525 +525 @@
                 static $accessible_hosts;
                 static $wildcard_regex = false;
                 if ( null == $accessible_hosts ) {
-                        $accessible_hosts = preg_split('|,\s*|', WP_ACCESSIBLE_HOSTS);
 
-                        if ( false !== strpos(WP_ACCESSIBLE_HOSTS, '*') ) {
+                        /**
+                         * Filter the list of accessible hosts.
+                         *
+                         * @since 3.8
+                         *
+                         * @param array List of accessible hosts
+                         */
+                        $accessible_hosts = apply_filters( 'wp_http_accessible_hosts', preg_split( '|,\s*|', WP_ACCESSIBLE_HOSTS ) );
+
+                        if ( false !== strpos( WP_ACCESSIBLE_HOSTS, '*' ) ) {
                                 $wildcard_regex = array();
                                 foreach ( $accessible_hosts as $host )
                                         $wildcard_regex[] = str_replace( '\*', '.+', preg_quote( $host, '/' ) );