define("GD_VERSION",2);
/**
 * check if GD is installed and is version 2 or higher
 * @license http://opensource.org/licenses/gpl-license.php GNU Public License
 */
if (! extension_loaded('gd')) {
	echo "The GD extension was not found!";
} else {
	if (function_exists('gd_info')) {
		// use gd_info if possible...
		$gd_ver_info = gd_info();
		preg_match('/\d/', $gd_ver_info['GD Version'], $match);
		if ($match[0] < GD_VERSION) {
			echo "This program needs GD version 2 or higher to run properly.";
		}
	} else {
		// ...otherwise use phpinfo().
		ob_start();
		phpinfo(8);
		$info = ob_get_contents();
		ob_end_clean();
		$info = stristr($info, 'gd version');
		preg_match('/\d/', $info, $match);
		if ($match[0] < GD_VERSION) {
			echo "This module requires the GD Library version 2 or higher.";
	   }
	}
}