wp-includes/comment.php:2843Updates the comment count for the post.
$post_idintbool4 hooks fire while wp_update_comment_count_now() runs, in this order:
Filters a post's comment count before it is updated in the database.
Fires immediately after a post's comment count is updated in the database.
Fires once an existing post has been updated.
Fires once an existing post has been updated.
function wp_update_comment_count_now( $post_id ) { global $wpdb; $post_id = (int) $post_id; if ( ! $post_id ) { return false; } wp_cache_delete( 'comments-0', 'counts' ); wp_cache_delete( "comments-{$post_id}", 'counts' ); $post = get_post( $post_id ); if ( ! $post ) { return false; } $old = (int) $post->comment_count; /** * Filters a post's comment count before it is updated in the database. * * @since 4.5.0 * * @param int|null $new The new comment count. Default null. * @param int $old The old comment count. * @param int $post_id Post ID. */ $new = apply_filters( 'pre_wp_update_comment_count_now', null, $old, $post_id ); if ( is_null( $new ) ) { $new = (int) $wpdb->get_var( $wpdb->prepare( "SELECT COUNT(*) FROM $wpdb->comments WHERE comment_post_ID = %d AND comment_approved = '1' AND comment_type != 'note'", $post_id ) ); } else { $new = (int) $new; } $wpdb->update( $wpdb->posts, array( 'comment_count' => $new ), array( 'ID' => $post_id ) ); clean_post_cache( $post ); /** * Fires immediately after a post's comment count is updated in the database. * * @since 2.3.0 * * @param int $post_id Post ID. * @param int $new The new comment count. * @param int $old The old comment count. */ do_action( 'wp_update_comment_count', $post_id, $new, $old ); /** This action is documented in wp-includes/post.php */ do_action( "edit_post_{$post->post_type}", $post_id, $post ); /** This action is documented in wp-includes/post.php */ do_action( 'edit_post', $post_id, $post ); return true;}Introduced in 2.5.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/comment.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.