Isolare parti di una stringa

[zacca94]

<?php
$url = <<<EOT
	<a href="http://www.prova.com/product_info.php/products_id/2369">DARK SILVER [titolo]</a>
	<a href="http://google.it">Google</a>
	<a href="http://facebook.com">What ?</a>
EOT;


preg_match_all('#(<a\s+href=".*?">).*?</a>#', $url, $ret);
print_r($ret[1]);