Simple snippet, used to check the redirects of the links. Requires cURL.

curl_get_headers.php

<?php

	$url = false;

	if($_POST)
	{
		$url = $_POST['url'];

		$ch = curl_init($url);
		curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 10);
		curl_setopt($ch, CURLOPT_TIMEOUT, 5);
		curl_setopt($ch, CURLOPT_HEADER, true);
		curl_setopt($ch, CURLOPT_NOBODY, true);
		curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
		curl_setopt($ch, CURLOPT_FRESH_CONNECT, true);
		curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
		$c = curl_exec($ch);
		curl_close($ch);
	}

?>

	<form method="POST" action="">
		<label for="url">URL</label>
		<input type="text" name="url" <?php echo $url ? "value=\"$url\"":''; ?> />
		<input type="submit" name="submit" value="get the headers" />
	</form>

<?php

	if( $_POST )
	{
		if(preg_match_all('/(?<=Location:).*+/', $c, $matches) > 0)
		{
			echo "<ul>";
			foreach($matches as $key => $value)
			{
				foreach($value as $key_1 => $value_1)
				{
					echo "<li><a href=\"$value_1\" target=\"_blank\">$value_1</a></li>";
				}
			}
			echo "</ul>";
		}

		echo "<h3>Headers for: <a href=\"$url\">$url</a></h3>";
		echo "<pre>";
		print_r($c);	
		echo "</pre>";
	
	}

?>