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<title>[16820] trunk/wp-includes/post.php: Do not store empty _wp_old_slug values.</title>
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<dt>Revision</dt> <dd><a href="http://trac.wordpress.org/changeset/16820">16820</a></dd>
<dt>Author</dt> <dd>markjaquith</dd>
<dt>Date</dt> <dd>2010-12-08 21:22:16 +0000 (Wed, 08 Dec 2010)</dd>
</dl>
<h3>Log Message</h3>
<pre>Do not store empty _wp_old_slug values. fixes <a href="http://trac.wordpress.org/ticket/15736">#15736</a></pre>
<h3>Modified Paths</h3>
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<li><a href="#trunkwpincludespostphp">trunk/wp-includes/post.php</a></li>
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<h3>Diff</h3>
<a id="trunkwpincludespostphp"></a>
<div class="modfile"><h4>Modified: trunk/wp-includes/post.php (16819 => 16820)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/wp-includes/post.php 2010-12-08 21:17:01 UTC (rev 16819)
+++ trunk/wp-includes/post.php 2010-12-08 21:22:16 UTC (rev 16820)
</span><span class="lines">@@ -4031,7 +4031,7 @@
</span><span class="cx"> $old_slugs = (array) get_post_meta($post_id, '_wp_old_slug');
</span><span class="cx">
</span><span class="cx"> // if we haven't added this old slug before, add it now
</span><del>- if ( !in_array($post_before->post_name, $old_slugs) )
</del><ins>+ if ( !empty( $post_before->post_name ) && !in_array($post_before->post_name, $old_slugs) )
</ins><span class="cx"> add_post_meta($post_id, '_wp_old_slug', $post_before->post_name);
</span><span class="cx">
</span><span class="cx"> // if the new slug was used previously, delete it from the list
</span></span></pre>
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