Ticket #13239: 13239.load-template.diff

src/wp-includes/template.php

@@ -497 +497 @@
         if ( is_array( $wp_query->query_vars ) )
                 extract( $wp_query->query_vars, EXTR_SKIP );
 
-        if ( $require_once )
-                require_once( $_template_file );
-        else
-                require( $_template_file );
+        if ( apply_filters( 'do_load_template', true, $_template_file, $require_once ) ) {
+                if ( $require_once )
+                        require_once( $_template_file );
+                else
+                        require( $_template_file );
+        }
 }