Welcome, visitor! Log in
 

Source View: comment_feed_groupby

To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).

Understanding Source Code

The best way to understand what a hook does is to look at where it occurs in the source code.

  • Action hooks look like this: do_action( "hook_name" )
  • Filter hooks look like this: apply_filters( "hook_name", "what_to_filter" ).

Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.

Source View

This hook occurs 2 times in this file.

Line Code
2913
2914                     /**
2915                      * Filter the GROUP BY clause of the comments feed query before sending.
2916                      *
2917                      * @since 2.2.0
2918                      *
2919                      * @param string   $cgroupby The GROUP BY clause of the query.
2920                      * @param WP_Query &$this    The WP_Query instance (passed by reference).
2921                      */
2922                     $cgroupby = apply_filters_ref_array( 'comment_feed_groupby', array( $cgroupby, &$this ) );
2923
2924                     /**
2925                      * Filter the ORDER BY clause of the comments feed query before sending.
2926                      *
2927                      * @since 2.8.0
2928                      *
2929                      * @param string   $corderby The ORDER BY clause of the query.
2930                      * @param WP_Query &$this    The WP_Query instance (passed by reference).
2931                      */
 
Line Code
3283
3284           if ( !empty($this->posts) && $this->is_comment_feed && $this->is_singular ) {
3285                /** This filter is documented in wp-includes/query.php */
3286                $cjoin = apply_filters_ref_array( 'comment_feed_join', array( '', &$this ) );
3287
3288                /** This filter is documented in wp-includes/query.php */
3289                $cwhere = apply_filters_ref_array( 'comment_feed_where', array( "WHERE comment_post_ID = '{$this->posts[0]->ID}' AND comment_approved = '1'", &$this ) );
3290
3291                /** This filter is documented in wp-includes/query.php */
3292                $cgroupby = apply_filters_ref_array( 'comment_feed_groupby', array( '', &$this ) );
3293                $cgroupby = ( ! empty( $cgroupby ) ) ? 'GROUP BY ' . $cgroupby : '';
3294
3295                /** This filter is documented in wp-includes/query.php */
3296                $corderby = apply_filters_ref_array( 'comment_feed_orderby', array( 'comment_date_gmt DESC', &$this ) );
3297                $corderby = ( ! empty( $corderby ) ) ? 'ORDER BY ' . $corderby : '';
3298
3299                /** This filter is documented in wp-includes/query.php */
3300                $climits = apply_filters_ref_array( 'comment_feed_limits', array( 'LIMIT ' . get_option('posts_per_rss'), &$this ) );
3301