if(strpos($_SERVER['HTTP_USER_AGENT'], 'iPhone')||strpos($_SERVER['HTTP_USER_AGENT'], 'iPad')){
$sys["systerm"] = 'IOS';
// }else if(strpos($_SERVER['HTTP_USER_AGENT'], 'Android')){
// $sys["systerm"] = 'Android';
}else if( strpos($_SERVER['HTTP_USER_AGENT'], 'AlipayClient') !== false ){
$sys["systerm"] = '支付宝';
}else if( strpos($_SERVER['HTTP_USER_AGENT'], 'MicroMessenger') !== false ){
$sys["systerm"] = '微信';
}else{
$sys["systerm"] = 'systerm is other';
}
print_r($sys);
