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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 |
|---|---|
| 2442 | if ( !$q['suppress_filters'] ) { |
| 2443 | /** |
| 2444 | * Filters the JOIN clause of the comments feed query before sending. |
| 2445 | * |
| 2446 | * @since 2.2.0 |
| 2447 | * |
| 2448 | * @param string $cjoin The JOIN clause of the query. |
| 2449 | * @param WP_Query &$this The WP_Query instance (passed by reference). |
| 2450 | */ |
| 2451 | $cjoin = apply_filters_ref_array( 'comment_feed_join', array( $cjoin, &$this ) ); |
| 2452 | |
| 2453 | /** |
| 2454 | * Filters the WHERE clause of the comments feed query before sending. |
| 2455 | * |
| 2456 | * @since 2.2.0 |
| 2457 | * |
| 2458 | * @param string $cwhere The WHERE clause of the query. |
| 2459 | * @param WP_Query &$this The WP_Query instance (passed by reference). |
| 2460 | */ |
| Line | Code |
| 2871 | * |
| 2872 | * @param array $posts The post results array. |
| 2873 | * @param WP_Query &$this The WP_Query instance (passed by reference). |
| 2874 | */ |
| 2875 | $this->posts = apply_filters_ref_array( 'posts_results', array( $this->posts, &$this ) ); |
| 2876 | } |
| 2877 | |
| 2878 | if ( !empty($this->posts) && $this->is_comment_feed && $this->is_singular ) { |
| 2879 | /** This filter is documented in wp-includes/query.php */ |
| 2880 | $cjoin = apply_filters_ref_array( 'comment_feed_join', array( '', &$this ) ); |
| 2881 | |
| 2882 | /** This filter is documented in wp-includes/query.php */ |
| 2883 | $cwhere = apply_filters_ref_array( 'comment_feed_where', array( "WHERE comment_post_ID = '{$this->posts[0]->ID}' AND comment_approved = '1'", &$this ) ); |
| 2884 | |
| 2885 | /** This filter is documented in wp-includes/query.php */ |
| 2886 | $cgroupby = apply_filters_ref_array( 'comment_feed_groupby', array( '', &$this ) ); |
| 2887 | $cgroupby = ( ! empty( $cgroupby ) ) ? 'GROUP BY ' . $cgroupby : ''; |
| 2888 | |
| 2889 | /** This filter is documented in wp-includes/query.php */ |