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<title>[15775] trunk/wp-includes/query.php: Introduce wp_query_clauses filter.</title>
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<dl>
<dt>Revision</dt> <dd><a href="http://trac.wordpress.org/changeset/15775">15775</a></dd>
<dt>Author</dt> <dd>scribu</dd>
<dt>Date</dt> <dd>2010-10-11 15:04:44 +0000 (Mon, 11 Oct 2010)</dd>
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<h3>Log Message</h3>
<pre>Introduce wp_query_clauses filter. Fixes <a href="http://trac.wordpress.org/ticket/14997">#14997</a></pre>
<h3>Modified Paths</h3>
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<li><a href="#trunkwpincludesqueryphp">trunk/wp-includes/query.php</a></li>
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<h3>Diff</h3>
<a id="trunkwpincludesqueryphp"></a>
<div class="modfile"><h4>Modified: trunk/wp-includes/query.php (15774 => 15775)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/wp-includes/query.php 2010-10-11 13:21:08 UTC (rev 15774)
+++ trunk/wp-includes/query.php 2010-10-11 15:04:44 UTC (rev 15775)
</span><span class="lines">@@ -2186,13 +2186,25 @@
</span><span class="cx"> // Apply post-paging filters on where and join. Only plugins that
</span><span class="cx"> // manipulate paging queries should use these hooks.
</span><span class="cx"> if ( !$q['suppress_filters'] ) {
</span><ins>+ $distinct = apply_filters_ref_array( 'posts_distinct', array( $distinct, &$this ) );
+ $fields = apply_filters_ref_array( 'posts_fields', array( $fields, &$this ) );
</ins><span class="cx"> $where = apply_filters_ref_array( 'posts_where_paged', array( $where, &$this ) );
</span><ins>+ $join = apply_filters_ref_array( 'posts_join_paged', array( $join, &$this ) );
</ins><span class="cx"> $groupby = apply_filters_ref_array( 'posts_groupby', array( $groupby, &$this ) );
</span><del>- $join = apply_filters_ref_array( 'posts_join_paged', array( $join, &$this ) );
</del><span class="cx"> $orderby = apply_filters_ref_array( 'posts_orderby', array( $orderby, &$this ) );
</span><del>- $distinct = apply_filters_ref_array( 'posts_distinct', array( $distinct, &$this ) );
- $limits = apply_filters_ref_array( 'post_limits', array( $limits, &$this ) );
- $fields = apply_filters_ref_array( 'posts_fields', array( $fields, &$this ) );
</del><ins>+ $limits = apply_filters_ref_array( 'post_limits', array( $limits, &$this ) );
+
+ // Also apply a filter on all clauses at once, for convenience
+ $clauses = array();
+ foreach ( array('distinct', 'fields', 'where', 'join', 'groupby', 'orderby', 'limits') as $var ) {
+ $clauses[ $var ] = $$var;
+ unset( $$var ); // so we can use EXTR_SKIP below
+ }
+
+ $clauses = apply_filters_ref_array( 'wp_query_clauses', array( $clauses, &$this ) );
+
+ extract( $clauses, EXTR_SKIP );
+ unset( $clauses );
</ins><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> // Announce current selection parameters. For use by caching plugins.
</span><span class="lines">@@ -2200,13 +2212,13 @@
</span><span class="cx">
</span><span class="cx"> // Filter again for the benefit of caching plugins. Regular plugins should use the hooks above.
</span><span class="cx"> if ( !$q['suppress_filters'] ) {
</span><ins>+ $distinct = apply_filters_ref_array( 'posts_distinct_request',array( $distinct, &$this ) );
+ $fields = apply_filters_ref_array( 'posts_fields_request', array( $fields, &$this ) );
</ins><span class="cx"> $where = apply_filters_ref_array( 'posts_where_request', array( $where, &$this ) );
</span><del>- $groupby = apply_filters_ref_array( 'posts_groupby_request', array( $groupby, &$this ) );
</del><span class="cx"> $join = apply_filters_ref_array( 'posts_join_request', array( $join, &$this ) );
</span><del>- $orderby = apply_filters_ref_array( 'posts_orderby_request', array( $orderby, &$this ) );
- $distinct = apply_filters_ref_array( 'posts_distinct_request', array( $distinct, &$this ) );
- $fields = apply_filters_ref_array( 'posts_fields_request', array( $fields, &$this ) );
- $limits = apply_filters_ref_array( 'post_limits_request', array( $limits, &$this ) );
</del><ins>+ $groupby = apply_filters_ref_array( 'posts_groupby_request', array( $groupby, &$this ) );
+ $orderby = apply_filters_ref_array( 'posts_orderby_request', array( $orderby, &$this ) );
+ $limits = apply_filters_ref_array( 'post_limits_request', array( $limits, &$this ) );
</ins><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> if ( ! empty($groupby) )
</span></span></pre>
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