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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 |
|---|---|
| 3083 | |
| 3084 | /** |
| 3085 | * Filter the WHERE clause of the comments feed query before sending. |
| 3086 | * |
| 3087 | * @since 2.2.0 |
| 3088 | * |
| 3089 | * @param string $cwhere The WHERE clause of the query. |
| 3090 | * @param WP_Query &$this The WP_Query instance (passed by reference). |
| 3091 | */ |
| 3092 | $cwhere = apply_filters_ref_array( 'comment_feed_where', array( $cwhere, &$this ) ); |
| 3093 | |
| 3094 | /** |
| 3095 | * Filter the GROUP BY clause of the comments feed query before sending. |
| 3096 | * |
| 3097 | * @since 2.2.0 |
| 3098 | * |
| 3099 | * @param string $cgroupby The GROUP BY clause of the query. |
| 3100 | * @param WP_Query &$this The WP_Query instance (passed by reference). |
| 3101 | */ |
| Line | Code |
| 3470 | */ |
| 3471 | $this->posts = apply_filters_ref_array( 'posts_results', array( $this->posts, &$this ) ); |
| 3472 | } |
| 3473 | |
| 3474 | if ( !empty($this->posts) && $this->is_comment_feed && $this->is_singular ) { |
| 3475 | /** This filter is documented in wp-includes/query.php */ |
| 3476 | $cjoin = apply_filters_ref_array( 'comment_feed_join', array( '', &$this ) ); |
| 3477 | |
| 3478 | /** This filter is documented in wp-includes/query.php */ |
| 3479 | $cwhere = apply_filters_ref_array( 'comment_feed_where', array( "WHERE comment_post_ID = '{$this->posts[0]->ID}' AND comment_approved = '1'", &$this ) ); |
| 3480 | |
| 3481 | /** This filter is documented in wp-includes/query.php */ |
| 3482 | $cgroupby = apply_filters_ref_array( 'comment_feed_groupby', array( '', &$this ) ); |
| 3483 | $cgroupby = ( ! empty( $cgroupby ) ) ? 'GROUP BY ' . $cgroupby : ''; |
| 3484 | |
| 3485 | /** This filter is documented in wp-includes/query.php */ |
| 3486 | $corderby = apply_filters_ref_array( 'comment_feed_orderby', array( 'comment_date_gmt DESC', &$this ) ); |
| 3487 | $corderby = ( ! empty( $corderby ) ) ? 'ORDER BY ' . $corderby : ''; |
| 3488 | |