Making a destructor to be run even on fatal error

shutdown.php

<?php
class Logger
{
	protected $rows = array();

	public function __construct()
	{
		register_shutdown_function(array($this, 'shutdown'));
	}
	
	public function shutdown()
	{
		$last_error = error_get_last();
		if ($last_error['type'] == 1)
		{
			$this->log("A fatal error occurred on line {$last_error['line']} in file '{$last_error['file']}'. Shutting down...");
			$this->__destruct();
		}
	}
	
	public function __destruct()
	{
		$this->save();
	}
	
	public function log($row)
	{
		$this->rows[] = $row;
	}
	
	public function save()
	{
		echo '<ul>';
		foreach ($this->rows as $row)
		{
			echo '<li>', $row, '</li>';
		}
		echo '</ul>';
	}
}

$logger = new Logger;
$logger->log('Before');

$nonset->foo();

$logger->log('After');