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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.
| Line | Code |
|---|---|
| 881 | $old = (int) $post->comment_count; |
| 882 | $new = (int) $wpdb->get_var("SELECT COUNT(*) FROM $wpdb->comments WHERE comment_post_ID = '$post_id' AND comment_approved = '1'"); |
| 883 | $wpdb->query("UPDATE $wpdb->posts SET comment_count = '$new' WHERE ID = '$post_id'"); |
| 884 | |
| 885 | if ( 'page' == $post->post_type ) |
| 886 | clean_page_cache( $post_id ); |
| 887 | else |
| 888 | clean_post_cache( $post_id ); |
| 889 | |
| 890 | do_action('wp_update_comment_count', $post_id, $new, $old); |
| 891 | do_action('edit_post', $post_id, $post); |
| 892 | |
| 893 | return true; |
| 894 | } |
| 895 | |
| 896 | // |
| 897 | // Ping and trackback functions. |
| 898 | // |
| 899 | |