PHP用CURL发送Content-type为application/json的POST请求方法

本文主要是介绍PHP用CURL发送Content-type为application/json的POST请求方法，对大家解决编程问题具有一定的参考价值，需要的程序猿们随着小编来一起学习吧！

• php curl发送json post

  function json_post($url, $data = NULL)
      {
  
          $curl = curl_init();
  
          curl_setopt($curl, CURLOPT_URL, $url);
          curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
          curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, false);
          if(!$data){
              return 'data is null';
          }
          if(is_array($data))
          {
              $data = json_encode($data);
          }
          curl_setopt($curl, CURLOPT_POST, 1);
          curl_setopt($curl, CURLOPT_POSTFIELDS, $data);
          curl_setopt($curl, CURLOPT_HEADER, 0);
          curl_setopt($curl, CURLOPT_HTTPHEADER,array(
                  'Content-Type: application/json; charset=utf-8',
                  'Content-Length:' . strlen($data),
                  'Cache-Control: no-cache',
                  'Pragma: no-cache'
          ));
          curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
          $res = curl_exec($curl);
          $errorno = curl_errno($curl);
          if ($errorno) {
              return $errorno;
          }
          curl_close($curl);
          return $res;
  
      }

• PHP接受JSON POST

$data = json_decode(file_get_contents('php://input'), true);

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