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<title>[27208] trunk/src/wp-includes/query.php: Inline documentation for various SQL clause hooks in wp-includes/query.php.</title>
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<dt>Revision</dt> <dd><a href="http://core.trac.wordpress.org/changeset/27208">27208</a></dd>
<dt>Author</dt> <dd>DrewAPicture</dd>
<dt>Date</dt> <dd>2014-02-20 17:45:19 +0000 (Thu, 20 Feb 2014)</dd>
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<h3>Log Message</h3>
<pre>Inline documentation for various SQL clause hooks in wp-includes/query.php.
Covers documentation for SQL clause hooks related to comment feeds, including:
* `comment_feed_join`
* `comment_feed_where`
* `comment_feed_groupby`
* `comment_feed_orderby`
* `comment_feed_limits`
Props dougwollison, DrewAPicture.
See <a href="http://core.trac.wordpress.org/ticket/25514">#25514</a>.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#trunksrcwpincludesqueryphp">trunk/src/wp-includes/query.php</a></li>
</ul>
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<div id="patch">
<h3>Diff</h3>
<a id="trunksrcwpincludesqueryphp"></a>
<div class="modfile"><h4>Modified: trunk/src/wp-includes/query.php (27207 => 27208)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/src/wp-includes/query.php 2014-02-20 17:40:14 UTC (rev 27207)
+++ trunk/src/wp-includes/query.php 2014-02-20 17:45:19 UTC (rev 27208)
</span><span class="lines">@@ -2848,11 +2848,55 @@
</span><span class="cx"> }
</span><span class="cx">
</span><span class="cx"> if ( !$q['suppress_filters'] ) {
</span><del>- $cjoin = apply_filters_ref_array('comment_feed_join', array( $cjoin, &$this ) );
- $cwhere = apply_filters_ref_array('comment_feed_where', array( $cwhere, &$this ) );
- $cgroupby = apply_filters_ref_array('comment_feed_groupby', array( $cgroupby, &$this ) );
- $corderby = apply_filters_ref_array('comment_feed_orderby', array( 'comment_date_gmt DESC', &$this ) );
- $climits = apply_filters_ref_array('comment_feed_limits', array( 'LIMIT ' . get_option('posts_per_rss'), &$this ) );
</del><ins>+ /**
+ * Filter the JOIN clause of the comments feed query before sending.
+ *
+ * @since 2.2.0
+ *
+ * @param string $cjoin The JOIN clause of the query.
+ * @param WP_Query &$this The WP_Query instance (passed by reference).
+ */
+ $cjoin = apply_filters_ref_array( 'comment_feed_join', array( $cjoin, &$this ) );
+
+ /**
+ * Filter the WHERE clause of the comments feed query before sending.
+ *
+ * @since 2.2.0
+ *
+ * @param string $cwhere The WHERE clause of the query.
+ * @param WP_Query &$this The WP_Query instance (passed by reference).
+ */
+ $cwhere = apply_filters_ref_array( 'comment_feed_where', array( $cwhere, &$this ) );
+
+ /**
+ * Filter the GROUP BY clause of the comments feed query before sending.
+ *
+ * @since 2.2.0
+ *
+ * @param string $cgroupby The GROUP BY clause of the query.
+ * @param WP_Query &$this The WP_Query instance (passed by reference).
+ */
+ $cgroupby = apply_filters_ref_array( 'comment_feed_groupby', array( $cgroupby, &$this ) );
+
+ /**
+ * Filter the ORDER BY clause of the comments feed query before sending.
+ *
+ * @since 2.8.0
+ *
+ * @param string $corderby The ORDER BY clause of the query.
+ * @param WP_Query &$this The WP_Query instance (passed by reference).
+ */
+ $corderby = apply_filters_ref_array( 'comment_feed_orderby', array( 'comment_date_gmt DESC', &$this ) );
+
+ /**
+ * Filter the LIMIT clause of the comments feed query before sending.
+ *
+ * @since 2.8.0
+ *
+ * @param string $climits The JOIN clause of the query.
+ * @param WP_Query &$this The WP_Query instance (passed by reference).
+ */
+ $climits = apply_filters_ref_array( 'comment_feed_limits', array( 'LIMIT ' . get_option('posts_per_rss'), &$this ) );
</ins><span class="cx"> }
</span><span class="cx"> $cgroupby = ( ! empty( $cgroupby ) ) ? 'GROUP BY ' . $cgroupby : '';
</span><span class="cx"> $corderby = ( ! empty( $corderby ) ) ? 'ORDER BY ' . $corderby : '';
</span><span class="lines">@@ -3158,13 +3202,23 @@
</span><span class="cx"> $this->posts = apply_filters_ref_array('posts_results', array( $this->posts, &$this ) );
</span><span class="cx">
</span><span class="cx"> if ( !empty($this->posts) && $this->is_comment_feed && $this->is_singular ) {
</span><del>- $cjoin = apply_filters_ref_array('comment_feed_join', array( '', &$this ) );
- $cwhere = apply_filters_ref_array('comment_feed_where', array( "WHERE comment_post_ID = '{$this->posts[0]->ID}' AND comment_approved = '1'", &$this ) );
- $cgroupby = apply_filters_ref_array('comment_feed_groupby', array( '', &$this ) );
</del><ins>+ /** This filter is documented in wp-includes/query.php */
+ $cjoin = apply_filters_ref_array( 'comment_feed_join', array( '', &$this ) );
+
+ /** This filter is documented in wp-includes/query.php */
+ $cwhere = apply_filters_ref_array( 'comment_feed_where', array( "WHERE comment_post_ID = '{$this->posts[0]->ID}' AND comment_approved = '1'", &$this ) );
+
+ /** This filter is documented in wp-includes/query.php */
+ $cgroupby = apply_filters_ref_array( 'comment_feed_groupby', array( '', &$this ) );
</ins><span class="cx"> $cgroupby = ( ! empty( $cgroupby ) ) ? 'GROUP BY ' . $cgroupby : '';
</span><del>- $corderby = apply_filters_ref_array('comment_feed_orderby', array( 'comment_date_gmt DESC', &$this ) );
</del><ins>+
+ /** This filter is documented in wp-includes/query.php */
+ $corderby = apply_filters_ref_array( 'comment_feed_orderby', array( 'comment_date_gmt DESC', &$this ) );
</ins><span class="cx"> $corderby = ( ! empty( $corderby ) ) ? 'ORDER BY ' . $corderby : '';
</span><del>- $climits = apply_filters_ref_array('comment_feed_limits', array( 'LIMIT ' . get_option('posts_per_rss'), &$this ) );
</del><ins>+
+ /** This filter is documented in wp-includes/query.php */
+ $climits = apply_filters_ref_array( 'comment_feed_limits', array( 'LIMIT ' . get_option('posts_per_rss'), &$this ) );
+
</ins><span class="cx"> $comments_request = "SELECT $wpdb->comments.* FROM $wpdb->comments $cjoin $cwhere $cgroupby $corderby $climits";
</span><span class="cx"> $this->comments = $wpdb->get_results($comments_request);
</span><span class="cx"> $this->comment_count = count($this->comments);
</span></span></pre>
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