Properly anchor mime preg.

git-svn-id: http://svn.automattic.com/wordpress/trunk@17990 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2011-05-22 23:17:09 +00:00 · 2011-05-22 23:17:09 +00:00 · 569c17df7f
parent fad60afa23
commit 569c17df7f
1 changed files with 1 additions and 1 deletions
--- a/wp-includes/formatting.php
+++ b/wp-includes/formatting.php
@ -707,7 +707,7 @@ function sanitize_file_name( $filename ) {
 		if ( preg_match("/^[a-zA-Z]{2,5}\d?$/", $part) ) {
 			$allowed = false;
 			foreach ( $mimes as $ext_preg => $mime_match ) {
-				$ext_preg = '!(^' . $ext_preg . ')$!i';
+				$ext_preg = '!^(' . $ext_preg . ')$!i';
 				if ( preg_match( $ext_preg, $part ) ) {
 					$allowed = true;
 					break;