Ticket #46666: 46666.1.diff

src/wp-includes/functions.php

@@ -3021 +3021 @@
                 $function = apply_filters( 'wp_die_xml_handler', '_xml_wp_die_handler' );
         } else {
                 /**
-                 * Filters the callback for killing WordPress execution for all non-Ajax, non-JSON, non-XML requests.
+                 * Filters the callback for killing WordPress execution for JSONP requests.
+                 *
+                 * @since 5.2.0
+                 *
+                 * @param callable $function Callback function name.
+                 */
+                $function = apply_filters( 'wp_die_jsonp_handler', '_jsonp_wp_die_handler' );
+        } elseif ( defined( 'XMLRPC_REQUEST' ) && XMLRPC_REQUEST ) {
+                /**
+                 * Filters the callback for killing WordPress execution for charset requests.
+                 *
+                 * @since
+                 *
+                 * @param callable $function Callback function name.
+                 */
+                 $function = apply_filters( 'wp_die_canonical_charset_handler', '_canonical_charset_wp_die_handler' );
+        } elseif ( wp_is_charset_request(){
+
+                 function _canonical_charset( $charset ) {
+    if ( 'utf-8' === strtolower( $charset ) || 'utf8' === strtolower( $charset ) ) {
+
+        return 'UTF-8';
+    }
+}
+                /**
+                 * Filters the callback for killing WordPress execution for all non-Ajax, non-JSON, non-XML requests, non-charset.
                  *
                  * @since 3.0.0
                  *
@@ -3409 +3434 @@
     <message><![CDATA[{$message}]]></message>
     <data>
         <status>{$r['response']}</status>
-    </data> 
+    </data>
 </error>
 
 EOD;