* Request #6056 Add support for reporting max PHP version. Sample code.
* @package PHP_CompatInfo
* @author Laurent Laville <pear@laurent-laville.org>
* @license http://www.php.net/license/3_01.txt PHP License 3.01
* @version CVS: $Id: sample_req6056.php,v 1.4 2007/11/15 18:23:40 farell Exp $
* @link http://pear.php.net/bugs/bug.php?id=6056
* Sample code to check max php version
function testMaxVersion()
$res = php_check_syntax('bug6581.php');
$array1 = array('blue' => 1, 'red' => 2, 'green' => 3);
$array2 = array('green' => 5, 'blue' => 6, 'yellow' => 7);
$diff = array_diff_key($array1, $array2);