Changeset 18524

Timestamp:

08/10/2011 07:18:18 PM (14 years ago)

Author:

nacin

Message:

Use preg_match more efficiently. props solarissmoke, fixes #17287.

File:

• trunk/wp-includes/ms-functions.php (modified) (1 diff)

trunk/wp-includes/ms-functions.php

@@ -647 +647 @@
         $illegal_names = array_merge($illegal_names, apply_filters( 'subdirectory_reserved_names', array( 'page', 'comments', 'blog', 'files', 'feed' ) ) );
 
-
     if ( empty( $blogname ) )
         $errors->add('blogname', __('Please enter a site name'));
 
-    $maybe = array();
-    preg_match( '/[a-z0-9]+/', $blogname, $maybe );
-    if ( $blogname != $maybe[0] )
+    if ( preg_match( '/[^a-z0-9]+/', $blogname ) )
         $errors->add('blogname', __('Only lowercase letters and numbers allowed'));