LayoutTests/http/tests/resources/file-last-modified.php - WebKit - Git at Google

 <?php
 date_default_timezone_set('UTC');
 $filePath = $_GET['path'];
 if (file_exists($filePath)) {
     echo date("U", filemtime($filePath));
 }
 ?>
	<?php
	date_default_timezone_set('UTC');
	$filePath = $_GET['path'];
	if (file_exists($filePath)) {
	echo date("U", filemtime($filePath));
	}
	?>