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<title>[13781] trunk/wp-includes/canonical.php:
  Only allow %category% to be a valid category attached to the current post when using %category% in a permalink structure
 .</title>
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<div id="msg">
<dl>
<dt>Revision</dt> <dd><a href="http://trac.wordpress.org/changeset/13781">13781</a></dd>
<dt>Author</dt> <dd>dd32</dd>
<dt>Date</dt> <dd>2010-03-20 06:27:27 +0000 (Sat, 20 Mar 2010)</dd>
</dl>

<h3>Log Message</h3>
<pre>Only allow %category% to be a valid category attached to the current post when using %category% in a permalink structure. Fixes <a href="http://trac.wordpress.org/ticket/11807">#11807</a></pre>

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

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<h3>Diff</h3>
<a id="trunkwpincludescanonicalphp"></a>
<div class="modfile"><h4>Modified: trunk/wp-includes/canonical.php (13780 => 13781)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/wp-includes/canonical.php        2010-03-20 03:22:08 UTC (rev 13780)
+++ trunk/wp-includes/canonical.php        2010-03-20 06:27:27 UTC (rev 13781)
</span><span class="lines">@@ -164,6 +164,11 @@
</span><span class="cx">                                 }
</span><span class="cx"> 
</span><span class="cx">                         }
</span><ins>+                } elseif ( is_single() &amp;&amp; strpos($wp_rewrite-&gt;permalink_structure, '%category%') !== false ) {
+                        $category = get_term_by('slug', get_query_var('category_name'), 'category');
+                        $post_terms = wp_get_object_terms($wp_query-&gt;get_queried_object_id(), 'category');
+                        if ( ! in_array($category, $post_terms) )
+                                $redirect_url = get_permalink($wp_query-&gt;get_queried_object_id());
</ins><span class="cx">                 }
</span><span class="cx"> 
</span><span class="cx">                 // paging and feeds
</span></span></pre>
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