Changeset 24051

Timestamp:

04/22/2013 08:01:57 PM (12 years ago)

Author:

nacin

Message:

Improve the performance of backslashit() by avoiding regular expressions. backslashit() is used heavily in date_i18n().

props jbutkus.
fixes #22286.

File:

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

trunk/wp-includes/formatting.php

@@ -1370 +1370 @@
  */
 function backslashit($string) {
-    $string = preg_replace('/^([0-9])/', '\\\\\\\\\1', $string);
-    $string = preg_replace('/([a-z])/i', '\\\\\1', $string);
-    return $string;
+    if ( isset( $string[0] ) && $string[0] >= '0' && $string[0] <= '9' )
+        $string = '\\\\' . $string;
+    return addcslashes( $string, 'A..Za..z' );
 }