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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 |
---|---|
3127 |
|
3128 | /** |
3129 | * Filter the LIMIT clause of the comments feed query before sending. |
3130 | * |
3131 | * @since 2.8.0 |
3132 | * |
3133 | * @param string $climits The JOIN clause of the query. |
3134 | * @param WP_Query &$this The WP_Query instance (passed by reference). |
3135 | */ |
3136 | $climits = apply_filters_ref_array( 'comment_feed_limits', array( 'LIMIT ' . get_option('posts_per_rss'), &$this ) ); |
3137 | } |
3138 | $cgroupby = ( ! empty( $cgroupby ) ) ? 'GROUP BY ' . $cgroupby : ''; |
3139 | $corderby = ( ! empty( $corderby ) ) ? 'ORDER BY ' . $corderby : ''; |
3140 |
|
3141 | $this->comments = (array) $wpdb->get_results("SELECT $distinct $wpdb->comments.* FROM $wpdb->comments $cjoin $cwhere $cgroupby $corderby $climits"); |
3142 | $this->comment_count = count($this->comments); |
3143 |
|
3144 | $post_ids = array(); |
3145 |
|
Line | Code |
3495 | /** This filter is documented in wp-includes/query.php */ |
3496 | $cgroupby = apply_filters_ref_array( 'comment_feed_groupby', array( '', &$this ) ); |
3497 | $cgroupby = ( ! empty( $cgroupby ) ) ? 'GROUP BY ' . $cgroupby : ''; |
3498 |
|
3499 | /** This filter is documented in wp-includes/query.php */ |
3500 | $corderby = apply_filters_ref_array( 'comment_feed_orderby', array( 'comment_date_gmt DESC', &$this ) ); |
3501 | $corderby = ( ! empty( $corderby ) ) ? 'ORDER BY ' . $corderby : ''; |
3502 |
|
3503 | /** This filter is documented in wp-includes/query.php */ |
3504 | $climits = apply_filters_ref_array( 'comment_feed_limits', array( 'LIMIT ' . get_option('posts_per_rss'), &$this ) ); |
3505 |
|
3506 | $comments_request = "SELECT $wpdb->comments.* FROM $wpdb->comments $cjoin $cwhere $cgroupby $corderby $climits"; |
3507 | $this->comments = $wpdb->get_results($comments_request); |
3508 | $this->comment_count = count($this->comments); |
3509 | } |
3510 |
|
3511 | // Check post status to determine if post should be displayed. |
3512 | if ( !empty($this->posts) && ($this->is_single || $this->is_page) ) { |
3513 | $status = get_post_status($this->posts[0]); |