apply_filters( 'thread_comments_depth_max', int $max_depth )

97 * Filters the maximum depth of threaded/nested comments.98 *99 * @since 2.7.0100 *101 * @param int $max_depth The maximum depth of threaded comments. Default 10.102 */103$maxdeep = (int) apply_filters( 'thread_comments_depth_max', 10 );104 105$thread_comments_depth = '<select name="thread_comments_depth" id="thread_comments_depth">';106for ( $i = 2; $i <= $maxdeep; $i++ ) {107	$thread_comments_depth .= "<option value='" . esc_attr( $i ) . "'";108	if ( (int) get_option( 'thread_comments_depth' ) === $i ) {109		$thread_comments_depth .= " selected='selected'";