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<title>[24563] trunk/wp-includes/meta.php: Prevent invalid queries in certain empty-array-passing meta_query cases.</title>
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<dt>Revision</dt> <dd><a href="http://core.trac.wordpress.org/changeset/24563">24563</a></dd>
<dt>Author</dt> <dd>markjaquith</dd>
<dt>Date</dt> <dd>2013-07-05 16:40:46 +0000 (Fri, 05 Jul 2013)</dd>
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<h3>Log Message</h3>
<pre>Prevent invalid queries in certain empty-array-passing meta_query cases.
fixes <a href="http://core.trac.wordpress.org/ticket/22096">#22096</a>. props wonderboymusic.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkwpincludesmetaphp">trunk/wp-includes/meta.php</a></li>
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<h3>Diff</h3>
<a id="trunkwpincludesmetaphp"></a>
<div class="modfile"><h4>Modified: trunk/wp-includes/meta.php (24562 => 24563)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/wp-includes/meta.php 2013-07-05 15:45:43 UTC (rev 24562)
+++ trunk/wp-includes/meta.php 2013-07-05 16:40:46 UTC (rev 24563)
</span><span class="lines">@@ -678,7 +678,7 @@
</span><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> // WP_Query sets 'meta_value' = '' by default
</span><del>- if ( isset( $qv[ 'meta_value' ] ) && '' !== $qv[ 'meta_value' ] )
</del><ins>+ if ( isset( $qv[ 'meta_value' ] ) && '' !== $qv[ 'meta_value' ] && ( ! is_array( $qv[ 'meta_value' ] ) || $qv[ 'meta_value' ] ) )
</ins><span class="cx"> $meta_query[0]['value'] = $qv[ 'meta_value' ];
</span><span class="cx">
</span><span class="cx"> if ( !empty( $qv['meta_query'] ) && is_array( $qv['meta_query'] ) ) {
</span><span class="lines">@@ -714,6 +714,14 @@
</span><span class="cx"> $key_only_queries = array();
</span><span class="cx"> $queries = array();
</span><span class="cx">
</span><ins>+ // Split out the queries with empty arrays as value
+ foreach ( $this->queries as $k => $q ) {
+ if ( is_array( $q['value'] ) && empty( $q['value'] ) ) {
+ $key_only_queries[$k] = $q;
+ unset( $this->queries[$k] );
+ }
+ }
+
</ins><span class="cx"> // Split out the meta_key only queries (we can only do this for OR)
</span><span class="cx"> if ( 'OR' == $this->relation ) {
</span><span class="cx"> foreach ( $this->queries as $k => $q ) {
</span></span></pre>
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