From e9c621df152f2cfd51d52fc0b13f18a5e043daf5 Mon Sep 17 00:00:00 2001
From: rboren <rboren@1a063a9b-81f0-0310-95a4-ce76da25c4cd>
Date: Tue, 1 Feb 2005 08:34:19 +0000
Subject: [PATCH] Add parse_query_vars() and parse_query action.

git-svn-id: http://svn.automattic.com/wordpress/trunk@2190 1a063a9b-81f0-0310-95a4-ce76da25c4cd
---
 wp-includes/classes.php | 21 +++++++++++++++++----
 1 file changed, 17 insertions(+), 4 deletions(-)

diff --git a/wp-includes/classes.php b/wp-includes/classes.php
index 7eaf2159ce..ba3b760e4f 100644
--- a/wp-includes/classes.php
+++ b/wp-includes/classes.php
@@ -56,11 +56,20 @@ class WP_Query {
 		$this->current_post = -1;
 	}
 
+	// Reparse the query vars.
+	function parse_query_vars() {
+		$this->parse_query('');
+	}
+
+	// Parse a query string and set query type booleans.
 	function parse_query ($query) {
-		$this->init();
-		parse_str($query, $qv);
-		$this->query = $query;
-		$this->query_vars = $qv;
+		if ( !empty($query) || !isset($this->query) ) {
+			$this->init();
+			parse_str($query, $qv);
+			$this->query = $query;
+			$this->query_vars = $qv;
+		}
+
 		$qv['m'] =  (int) $qv['m'];
 		$qv['p'] =  (int) $qv['p'];
 
@@ -185,6 +194,10 @@ class WP_Query {
 		if ( ! ($this->is_archive || $this->is_single || $this->is_page || $this->is_search || $this->is_feed || $this->is_trackback || $this->is_404 || $this->is_admin)) {
 			$this->is_home = true;
 		}
+
+		if ( !empty($query) ) {
+			do_action('parse_query', array(&$this));
+		}
 	}
 
 	function get($query_var) {