alipayGetXML($parameter); $html = @$DOM->getElementsByTagName('html')->item(0)->nodeValue; $err = array(); $err['ILLEGAL_PARTNER'] = '合作者身份不合法'; $err['ILLEGAL_SIGN'] = '合作者密钥不合法'; //ILLEGAL_SERVICE foreach ($err as $key => $val) { if (strpos($html, $key)) { die($val); } } echo '验证通过';