Ticket #45192: 45192.diff

branches/5.0/src/wp-admin/includes/template.php

@@ -1096 +1096 @@
                                         if ( WP_DEBUG && ! $screen->is_block_editor() && ! isset( $_GET['meta-box-loader'] ) ) {
                                                 if ( is_array( $box['callback'] ) ) {
                                                         $reflection = new ReflectionMethod( $box['callback'][0], $box['callback'][1] );
+                                                } elseif ( false !== strpos( $box['callback'], '::' ) ) {
+                                                        $reflection = new ReflectionMethod( $box['callback'] );
                                                 } else {
                                                         $reflection = new ReflectionFunction( $box['callback'] );
                                                 }