Eliminate verbose rewrite rules for ambiguous rewrite structures, resulting in massive performance gains. props andy, otto42, duck_. Nice work everyone! see #16687

git-svn-id: https://develop.svn.wordpress.org/trunk@18541 602fd350-edb4-49c9-b593-d223f7449a82

wp-includes/class-wp.php

@@ -200,6 +200,13 @@ class WP {
 
 					if ( preg_match("#^$match#", $request_match, $matches) ||
 						preg_match("#^$match#", urldecode($request_match), $matches) ) {
+
+						if ( $wp_rewrite->use_verbose_page_rules && preg_match( '/pagename=\$([^&\[]+)\[([0-9]+)\]/', $query, $varmatch ) ) {
+							// this is a verbose page match, lets check to be sure about it
+							if ( ! get_page_by_path( ${$varmatch[1]}[$varmatch[2]] ) )
+						 		continue;
+						}
+
 						// Got a match.
 						$this->matched_rule = $match;
 						break;