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To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).
The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )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.
This hook occurs 2 times in this file.
| Line | Code |
|---|---|
| 2593 | |
| 2594 | /** |
| 2595 | * Filters the WHERE clause of the comments feed query before sending. |
| 2596 | * |
| 2597 | * @since 2.2.0 |
| 2598 | * |
| 2599 | * @param string $cwhere The WHERE clause of the query. |
| 2600 | * @param WP_Query $this The WP_Query instance (passed by reference). |
| 2601 | */ |
| 2602 | $cwhere = apply_filters_ref_array( 'comment_feed_where', array( $cwhere, &$this ) ); |
| 2603 | |
| 2604 | /** |
| 2605 | * Filters the GROUP BY clause of the comments feed query before sending. |
| 2606 | * |
| 2607 | * @since 2.2.0 |
| 2608 | * |
| 2609 | * @param string $cgroupby The GROUP BY clause of the query. |
| 2610 | * @param WP_Query $this The WP_Query instance (passed by reference). |
| 2611 | */ |
| Line | Code |
| 3022 | */ |
| 3023 | $this->posts = apply_filters_ref_array( 'posts_results', array( $this->posts, &$this ) ); |
| 3024 | } |
| 3025 | |
| 3026 | if ( ! empty( $this->posts ) && $this->is_comment_feed && $this->is_singular ) { |
| 3027 | /** This filter is documented in wp-includes/query.php */ |
| 3028 | $cjoin = apply_filters_ref_array( 'comment_feed_join', array( '', &$this ) ); |
| 3029 | |
| 3030 | /** This filter is documented in wp-includes/query.php */ |
| 3031 | $cwhere = apply_filters_ref_array( 'comment_feed_where', array( "WHERE comment_post_ID = '{$this->posts[0]->ID}' AND comment_approved = '1'", &$this ) ); |
| 3032 | |
| 3033 | /** This filter is documented in wp-includes/query.php */ |
| 3034 | $cgroupby = apply_filters_ref_array( 'comment_feed_groupby', array( '', &$this ) ); |
| 3035 | $cgroupby = ( ! empty( $cgroupby ) ) ? 'GROUP BY ' . $cgroupby : ''; |
| 3036 | |
| 3037 | /** This filter is documented in wp-includes/query.php */ |
| 3038 | $corderby = apply_filters_ref_array( 'comment_feed_orderby', array( 'comment_date_gmt DESC', &$this ) ); |
| 3039 | $corderby = ( ! empty( $corderby ) ) ? 'ORDER BY ' . $corderby : ''; |
| 3040 | |