PHP模拟POST请求，获取response内容

     /*
      * 模拟POST请求，获取response内容
      */
     protected function curl($url, $type, $header, $data) {
         $CURL_OPTS = array (
                 CURLOPT_CONNECTTIMEOUT => 10,
                 CURLOPT_RETURNTRANSFER => true,
                 CURLOPT_SSL_VERIFYPEER => false,
                 CURLOPT_TIMEOUT => 60,
                 CURLOPT_USERAGENT => 'simulate submit'
         );
         $opts = $CURL_OPTS;
         $opts [CURLOPT_URL] = $url;
         $opts [CURLOPT_CUSTOMREQUEST] = $type;
         $header [] = 'Expect:';
         $opts [CURLOPT_HTTPHEADER] = $header;
         if ($type == 'POST' || $type == 'PUT') {
             $opts [CURLOPT_POSTFIELDS] = $data;
         }

         $ch = curl_init ();
         curl_setopt_array ( $ch, $opts );
         $result = curl_exec ( $ch );
         if (curl_errno ( $ch )) {
             die ( 'CURL error: ' . curl_error ( $ch ) );
         }
         curl_close ( $ch );
         return $result;
     }

参数：

$header = array (
    'Content_type: application/x-www-form-urlencoded'
  );

$data="param1=qwer&param2=asdf&param3=jkl";