php 苹果内购验证凭证请求返回很慢

Question

$params = array("receipt-data" => "MII6iAYJKoZIhvcNAQcCoII6eTCCOn","password"=>"*******" );
$params = json_encode($params);
$ios_verify_url = 'https://sandbox.itunes.apple.com/verifyReceipt';//测试环境
$ch = curl_init($ios_verify_url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $params);
curl_setopt ($ch, CURLOPT_SSL_VERIFYPEER, 0);  //这两行一定要加，不加会报SSL 错误
curl_setopt ($ch, CURLOPT_SSL_VERIFYHOST, 0);
$result = curl_exec($ch);
curl_close($ch);
print_r($result);

代码如上，有大佬知道什么原因么

Answer 1

等待大神解答