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<title>[15685] trunk/wp-includes: Set 'cat' query var for backwards compatibility.</title>
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<div id="msg">
<dl>
<dt>Revision</dt> <dd><a href="http://trac.wordpress.org/changeset/15685">15685</a></dd>
<dt>Author</dt> <dd>scribu</dd>
<dt>Date</dt> <dd>2010-10-02 18:03:06 +0000 (Sat, 02 Oct 2010)</dd>
</dl>
<h3>Log Message</h3>
<pre>Set 'cat' query var for backwards compatibility. Fixes <a href="http://trac.wordpress.org/ticket/15007">#15007</a></pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkwpincludesfunctionsphp">trunk/wp-includes/functions.php</a></li>
<li><a href="#trunkwpincludesqueryphp">trunk/wp-includes/query.php</a></li>
</ul>
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<h3>Diff</h3>
<a id="trunkwpincludesfunctionsphp"></a>
<div class="modfile"><h4>Modified: trunk/wp-includes/functions.php (15684 => 15685)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/wp-includes/functions.php 2010-10-02 05:31:42 UTC (rev 15684)
+++ trunk/wp-includes/functions.php 2010-10-02 18:03:06 UTC (rev 15685)
</span><span class="lines">@@ -3033,7 +3033,7 @@
</span><span class="cx"> $filtered = array();
</span><span class="cx">
</span><span class="cx"> foreach ( $list as $key => $obj ) {
</span><del>- $matched = count(array_intersect_assoc(get_object_vars($obj), $args));
</del><ins>+ $matched = count( array_intersect_assoc( (array) ($obj), $args ) );
</ins><span class="cx"> if ( ('and' == $operator && $matched == $count) || ('or' == $operator && $matched <= $count) ) {
</span><span class="cx"> if ( $field )
</span><span class="cx"> $filtered[] = $obj->$field;
</span></span></pre></div>
<a id="trunkwpincludesqueryphp"></a>
<div class="modfile"><h4>Modified: trunk/wp-includes/query.php (15684 => 15685)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/wp-includes/query.php 2010-10-02 05:31:42 UTC (rev 15684)
+++ trunk/wp-includes/query.php 2010-10-02 18:03:06 UTC (rev 15685)
</span><span class="lines">@@ -1948,6 +1948,21 @@
</span><span class="cx"> $where .= " AND $wpdb->posts.ID IN(" . implode( ', ', $ids ) . ")";
</span><span class="cx"> else
</span><span class="cx"> $where .= ' AND 0 = 1';
</span><ins>+
+ // Back-compat
+ if ( !empty( $ids ) ) {
+ $cat_query = wp_filter_object_list( $tax_query, array( 'taxonomy' => 'category' ) );
+ if ( !empty( $cat_query ) ) {
+ $cat_query = reset( $cat_query );
+ $cat = get_term_by( $cat_query['field'], $cat_query['terms'][0], 'category' );
+ if ( $cat ) {
+ $this->set('cat', $cat->term_id);
+ $this->set('category_name', $cat->slug);
+ }
+ }
+ }
+
+ unset( $ids );
</ins><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> if ( !empty($q['meta_key']) ) {
</span></span></pre>
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