Add do_parse_request filter to WP::parse_request() to allow short-circuiting. props andy, mikeschinkel. fixes #16692.

git-svn-id: https://develop.svn.wordpress.org/trunk@21163 602fd350-edb4-49c9-b593-d223f7449a82

wp-includes/class-wp.php

@@ -120,6 +120,9 @@ class WP {
 	function parse_request($extra_query_vars = '') {
 		global $wp_rewrite;
 
+		if ( ! apply_filters( 'do_parse_request', true, $this, $extra_query_vars ) )
+			return;
+
 		$this->query_vars = array();
 		$post_type_query_vars = array();