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<title>[16035] trunk/wp-includes/formatting.php:
  Purger more create_function usage during autop and iso descrambling.</title>
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<div id="msg">
<dl>
<dt>Revision</dt> <dd><a href="http://trac.wordpress.org/changeset/16035">16035</a></dd>
<dt>Author</dt> <dd>westi</dd>
<dt>Date</dt> <dd>2010-10-28 07:38:00 +0000 (Thu, 28 Oct 2010)</dd>
</dl>

<h3>Log Message</h3>
<pre>Purger more create_function usage during autop and iso descrambling. See <a href="http://trac.wordpress.org/ticket/14424">#14424</a> props ScottMac.</pre>

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

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<div id="patch">
<h3>Diff</h3>
<a id="trunkwpincludesformattingphp"></a>
<div class="modfile"><h4>Modified: trunk/wp-includes/formatting.php (16034 => 16035)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/wp-includes/formatting.php        2010-10-28 07:25:30 UTC (rev 16034)
+++ trunk/wp-includes/formatting.php        2010-10-28 07:38:00 UTC (rev 16035)
</span><span class="lines">@@ -208,7 +208,7 @@
</span><span class="cx">         $pee = preg_replace('!&lt;p&gt;\s*(&lt;/?' . $allblocks . '[^&gt;]*&gt;)!', &quot;$1&quot;, $pee);
</span><span class="cx">         $pee = preg_replace('!(&lt;/?' . $allblocks . '[^&gt;]*&gt;)\s*&lt;/p&gt;!', &quot;$1&quot;, $pee);
</span><span class="cx">         if ($br) {
</span><del>-                $pee = preg_replace_callback('/&lt;(script|style).*?&lt;\/\\1&gt;/s', create_function('$matches', 'return str_replace(&quot;\n&quot;, &quot;&lt;WPPreserveNewline /&gt;&quot;, $matches[0]);'), $pee);
</del><ins>+                $pee = preg_replace_callback('/&lt;(script|style).*?&lt;\/\\1&gt;/s', '__autop_newline_preservation_helper', $pee);
</ins><span class="cx">                 $pee = preg_replace('|(?&lt;!&lt;br /&gt;)\s*\n|', &quot;&lt;br /&gt;\n&quot;, $pee); // optionally make line breaks
</span><span class="cx">                 $pee = str_replace('&lt;WPPreserveNewline /&gt;', &quot;\n&quot;, $pee);
</span><span class="cx">         }
</span><span class="lines">@@ -222,6 +222,18 @@
</span><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> /**
</span><ins>+ * Newline preservation help function for wpautop
+ * 
+ * @since 3.1.0
+ * @access private
+ * @param array $matches preg_replace_callback matches array
+ * @returns string
+ */
+function __autop_newline_preservation_helper( $matches ) {
+        return str_replace(&quot;\n&quot;, &quot;&lt;WPPreserveNewline /&gt;&quot;, $matches[0]);
+}
+
+/**
</ins><span class="cx">  * Don't auto-p wrap shortcodes that stand alone
</span><span class="cx">  *
</span><span class="cx">  * Ensures that shortcodes are not wrapped in &lt;&lt;p&gt;&gt;...&lt;&lt;/p&gt;&gt;.
</span><span class="lines">@@ -1555,12 +1567,23 @@
</span><span class="cx">                 return $string;
</span><span class="cx">         } else {
</span><span class="cx">                 $subject = str_replace('_', ' ', $matches[2]);
</span><del>-                $subject = preg_replace_callback('#\=([0-9a-f]{2})#i', create_function('$match', 'return chr(hexdec(strtolower($match[1])));'), $subject);
</del><ins>+                $subject = preg_replace_callback('#\=([0-9a-f]{2})#i', '__wp_iso_convert', $subject);
</ins><span class="cx">                 return $subject;
</span><span class="cx">         }
</span><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> /**
</span><ins>+ * Helper function to convert hex encoded chars to ascii
+ * 
+ * @since 3.1.0
+ * @access private
+ * @param $match the preg_replace_callback matches array
+ */
+function __wp_iso_convert( $match ) { 
+        return chr( hexdec( strtolower( $match[1] ) ) ); 
+} 
+
+/**
</ins><span class="cx">  * Returns a date in the GMT equivalent.
</span><span class="cx">  *
</span><span class="cx">  * Requires and returns a date in the Y-m-d H:i:s format. Simply subtracts the
</span></span></pre>
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