Changeset 12485

Timestamp:

12/22/2009 01:10:06 PM (15 years ago)

Author:

westi

Message:

Much improved is_serialized() which catches serialized doubles. Fixes #9930 props vladimir_kolesnikov and dd32.

File:

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

trunk/wp-includes/functions.php

@@ -246 +246 @@
  */
 function is_serialized( $data ) {
-    // if it isn't a string, it isn't serialized
-    if ( !is_string( $data ) )
-        return false;
-    $data = trim( $data );
-    if ( 'N;' == $data )
-        return true;
-    if ( !preg_match( '/^([adObis]):/', $data, $badions ) )
-        return false;
-    switch ( $badions[1] ) {
-        case 'a' :
-        case 'O' :
-        case 's' :
-            if ( preg_match( "/^{$badions[1]}:[0-9]+:.*[;}]\$/s", $data ) )
-                return true;
-            break;
-        case 'b' :
-        case 'i' :
-        case 'd' :
-            if ( preg_match( "/^{$badions[1]}:[0-9.E-]+;\$/", $data ) )
-                return true;
-            break;
-    }
-    return false;
+    return is_string($data) && preg_match('/^(N;)|([aOs]:[0-9]+:.*[;}])|([bid]:[0-9.E+-]+;)$/s', $data);
 }