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<title>[15707] trunk/wp-includes/canonical.php:
  Fix canonical redirection for permalinks containing %category% with nested categories and paging
 .</title>
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<div id="msg">
<dl>
<dt>Revision</dt> <dd><a href="http://trac.wordpress.org/changeset/15707">15707</a></dd>
<dt>Author</dt> <dd>dd32</dd>
<dt>Date</dt> <dd>2010-10-04 11:30:11 +0000 (Mon, 04 Oct 2010)</dd>
</dl>

<h3>Log Message</h3>
<pre>Fix canonical redirection for permalinks containing %category% with nested categories and paging. Fixes <a href="http://trac.wordpress.org/ticket/13471">#13471</a> for trunk</pre>

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

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<div id="patch">
<h3>Diff</h3>
<a id="trunkwpincludescanonicalphp"></a>
<div class="modfile"><h4>Modified: trunk/wp-includes/canonical.php (15706 => 15707)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/wp-includes/canonical.php        2010-10-04 11:00:36 UTC (rev 15706)
+++ trunk/wp-includes/canonical.php        2010-10-04 11:30:11 UTC (rev 15707)
</span><span class="lines">@@ -103,10 +103,6 @@
</span><span class="cx">                 } elseif ( is_single() &amp;&amp; !empty($_GET['p']) &amp;&amp; ! $redirect_url ) {
</span><span class="cx">                         if ( $redirect_url = get_permalink(get_query_var('p')) )
</span><span class="cx">                                 $redirect['query'] = remove_query_arg(array('p', 'post_type'), $redirect['query']);
</span><del>-                        if ( get_query_var( 'page' ) ) {
-                                $redirect_url = trailingslashit( $redirect_url ) . user_trailingslashit( get_query_var( 'page' ), 'single_paged' );
-                                $redirect['query'] = remove_query_arg( 'page', $redirect['query'] );
-                        }
</del><span class="cx">                 } elseif ( is_single() &amp;&amp; !empty($_GET['name'])  &amp;&amp; ! $redirect_url ) {
</span><span class="cx">                         if ( $redirect_url = get_permalink( $wp_query-&gt;get_queried_object_id() ) )
</span><span class="cx">                                 $redirect['query'] = remove_query_arg('name', $redirect['query']);
</span><span class="lines">@@ -177,12 +173,18 @@
</span><span class="cx">                                 }
</span><span class="cx">                         }
</span><span class="cx">                 } elseif ( is_single() &amp;&amp; strpos($wp_rewrite-&gt;permalink_structure, '%category%') !== false ) {
</span><del>-                        $category = get_term_by('slug', get_query_var('category_name'), 'category');
</del><ins>+                        $category = get_category_by_path(get_query_var('category_name'));
</ins><span class="cx">                         $post_terms = wp_get_object_terms($wp_query-&gt;get_queried_object_id(), 'category', array('fields' =&gt; 'tt_ids'));
</span><span class="cx">                         if ( (!$category || is_wp_error($category)) || ( !is_wp_error($post_terms) &amp;&amp; !empty($post_terms) &amp;&amp; !in_array($category-&gt;term_taxonomy_id, $post_terms) ) )
</span><span class="cx">                                 $redirect_url = get_permalink($wp_query-&gt;get_queried_object_id());
</span><span class="cx">                 }
</span><span class="cx"> 
</span><ins>+                // Post Paging
+                if ( is_singular() &amp;&amp; get_query_var('page') &amp;&amp; $redirect_url ) {
+                        $redirect_url = trailingslashit( $redirect_url ) . user_trailingslashit( get_query_var( 'page' ), 'single_paged' );
+                        $redirect['query'] = remove_query_arg( 'page', $redirect['query'] );
+                }
+
</ins><span class="cx">                 // paging and feeds
</span><span class="cx">                 if ( get_query_var('paged') || is_feed() || get_query_var('cpage') ) {
</span><span class="cx">                         if ( !$redirect_url )
</span></span></pre>
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