php发送curl请求并等待响应 [英] php send curl request and wait for the response

问题描述

我向服务器发送curl请求，需要几秒钟时间来处理请求并抛出响应。我相信我的PHP脚本继续，不等待，因此我基于响应的foreach循环吐出0结果。在移动和处理数据之前，我如何等待curl事务完成？

I am sending a curl request to a server that needs a few seconds to process the request and spit out a response. I believe my php script is continuing on and not waiting, therefore my foreach loop based on the response is spitting out 0 results. How can i wait for the curl transaction to complete before moving on and processing data?

  $curl = curl_init();
  curl_setopt($curl, CURLOPT_HTTPAUTH, CURLAUTH_ANY);
  curl_setopt($curl, CURLOPT_USERPWD, "admin:password");
  curl_setopt($curl, CURLOPT_URL, "http://server/r/?dst_user__substr='user'");


  curl_setopt($curl, CURLOPT_VERBOSE, 1);
  curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
  $ret = curl_exec($curl);
  $result = json_decode($ret,true);

 <<<<I need to wait until transaction is complete here>>>>

  foreach ($result['data'] as $key => $value)
  {
        //process data from $result
  }

推荐答案

curl正在阻止，这意味着：

curl is blocking, which means that:

$result = json_decode($ret,true);

foreach ($result['data'] as $key => $value)
{
      //process data from $result
}

将不会执行：

$ret = curl_exec($curl);

完成。您可以使用curl_error（）和使用curl_getinfo（）检查HTTP响应代码来检查错误和其他问题。

is complete. You can check for errors and other issues using curl_error() and by checking the HTTP response code with curl_getinfo().

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