Ticket #25487: 25487.2.patch

src/wp-includes/template.php

@@ -26 +26 @@
         if ( empty( $templates ) )
                 $templates = array("{$type}.php");
 
-        return apply_filters( "{$type}_template", locate_template( $templates ) );
+        $template = locate_template( $templates );
+        /**
+         * Filter the path of the queried template by type.
+         *
+         * The dynamic portion of the hook name, $type, refers to the filename
+         * -- minus the extension -- of the file to load. This hook also applies
+         * to various types of files loaded as part of the Template Hierarchy.
+         *
+         * @since 1.5.2
+         *
+         * @param string $template Path to the template. @see locate_template()
+         */
+        return apply_filters( "{$type}_template", $template );
 }
 
 /**