Ticket #18803: 18803.2.diff

src/wp-includes/template.php

@@ -494 +494 @@
 function load_template( $_template_file, $require_once = true ) {
         global $posts, $post, $wp_did_header, $wp_query, $wp_rewrite, $wpdb, $wp_version, $wp, $id, $comment, $user_ID;
 
-        if ( is_array( $wp_query->query_vars ) )
+        $pre = apply_filters( 'pre_load_template', false, $_template_file, $require_once );
+        if ( false !== $pre ) {
+                return $pre;
+        }
+
+        if ( is_array( $wp_query->query_vars ) ) {
                 extract( $wp_query->query_vars, EXTR_SKIP );
+        }
+
+        do_action( 'load_template_pre_require', $_template_file, $require_once );
+
+        if ( $require_once ) {
+                require_once $_template_file;
+        } else {
+                require $_template_file;
+        }
 
-        if ( $require_once )
-                require_once( $_template_file );
-        else
-                require( $_template_file );
+        do_action( 'load_template_post_require', $_template_file, $require_once );
 }