WP hooks navigation: Home/browse • Actions index • Filters index
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.
| Line | Code |
|---|---|
| 677 | * |
| 678 | * @param int $post_id Optional. Post ID. |
| 679 | * @return object Comment stats. |
| 680 | */ |
| 681 | function wp_count_comments( $post_id = 0 ) { |
| 682 | global $wpdb; |
| 683 | |
| 684 | $post_id = (int) $post_id; |
| 685 | |
| 686 | $stats = apply_filters('wp_count_comments', array(), $post_id); |
| 687 | if ( !empty($stats) ) |
| 688 | return $stats; |
| 689 | |
| 690 | $count = wp_cache_get("comments-{$post_id}", 'counts'); |
| 691 | |
| 692 | if ( false !== $count ) |
| 693 | return $count; |
| 694 | |
| 695 | $where = ''; |