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<title>[12485] trunk/wp-includes/functions.php: Much improved is_serialized()
  which catches serialized doubles.</title>
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<div id="msg">
<dl>
<dt>Revision</dt> <dd><a href="http://trac.wordpress.org/changeset/12485">12485</a></dd>
<dt>Author</dt> <dd>westi</dd>
<dt>Date</dt> <dd>2009-12-22 13:10:06 +0000 (Tue, 22 Dec 2009)</dd>
</dl>

<h3>Log Message</h3>
<pre>Much improved is_serialized() which catches serialized doubles. Fixes <a href="http://trac.wordpress.org/ticket/9930">#9930</a> props vladimir_kolesnikov and dd32.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkwpincludesfunctionsphp">trunk/wp-includes/functions.php</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkwpincludesfunctionsphp"></a>
<div class="modfile"><h4>Modified: trunk/wp-includes/functions.php (12484 => 12485)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/wp-includes/functions.php        2009-12-22 12:48:40 UTC (rev 12484)
+++ trunk/wp-includes/functions.php        2009-12-22 13:10:06 UTC (rev 12485)
</span><span class="lines">@@ -245,29 +245,7 @@
</span><span class="cx">  * @return bool False if not serialized and true if it was.
</span><span class="cx">  */
</span><span class="cx"> function is_serialized( $data ) {
</span><del>-        // 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 ( $badions[1] ) {
-                case 'a' :
-                case 'O' :
-                case 's' :
-                        if ( preg_match( &quot;/^{$badions[1]}:[0-9]+:.*[;}]\$/s&quot;, $data ) )
-                                return true;
-                        break;
-                case 'b' :
-                case 'i' :
-                case 'd' :
-                        if ( preg_match( &quot;/^{$badions[1]}:[0-9.E-]+;\$/&quot;, $data ) )
-                                return true;
-                        break;
-        }
-        return false;
</del><ins>+        return is_string($data) &amp;&amp; preg_match('/^(N;)|([aOs]:[0-9]+:.*[;}])|([bid]:[0-9.E+-]+;)$/s', $data);
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> /**
</span></span></pre>
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