Walker_Comment::start_el( string $output, WP_Comment $data_object, int $depth = 0, array $args = array(), int $current_object_id = 0 )

173	public function start_el( &$output, $data_object, $depth = 0, $args = array(), $current_object_id = 0 ) {174		// Restores the more descriptive, specific name for use within this method.175		$comment = $data_object;176 177		++$depth;178		$GLOBALS['comment_depth'] = $depth;179		$GLOBALS['comment']       = $comment;180 181		if ( ! empty( $args['callback'] ) ) {182			ob_start();183			call_user_func( $args['callback'], $comment, $args, $depth );184			$output .= ob_get_clean();185			return;186		}187 188		if ( 'comment' === $comment->comment_type ) {189			add_filter( 'comment_text', array( $this, 'filter_comment_text' ), 40, 2 );190		}191 192		if ( ( 'pingback' === $comment->comment_type || 'trackback' === $comment->comment_type ) && $args['short_ping'] ) {193			ob_start();194			$this->ping( $comment, $depth, $args );195			$output .= ob_get_clean();196		} elseif ( 'html5' === $args['format'] ) {197			ob_start();198			$this->html5_comment( $comment, $depth, $args );199			$output .= ob_get_clean();200		} else {201			ob_start();202			$this->comment( $comment, $depth, $args );203			$output .= ob_get_clean();204		}205 206		if ( 'comment' === $comment->comment_type ) {207			remove_filter( 'comment_text', array( $this, 'filter_comment_text' ), 40 );208		}209	}