在使用curl在php中發送文件的同時獲取錯誤

Question

我試圖發送一些表單字段以及使用CURL在php中的多個文件，得到了下面的錯誤。

"Required Multipartfile parameter utterance is not present". 

Below listed is the piece of code, I have used in my application. 

$a1614_1 = "@" .realpath("RecordFiles/1614_1.wav"); 


$payload = array("sessionid"=>$sessionid,"clientid"=> $clientid,"userid"=>$userid,"utterance"=> $a1614_1,"type"=>$type,"action"=>$action); 

$multipart_boundary = "ABC1234"; 

$request_headers = array(); 
$request_headers[] = "Content-Type: multipart/form-data; boundary=". $multipart_boundary; 

$curl_options = array(
CURLOPT_URL => $base_api_url, 
CURLOPT_POST => true, 
CURLOPT_POSTFIELDS => http_build_query($payload), 
CURLOPT_HTTP_VERSION => 1.0, 
CURLOPT_RETURNTRANSFER => true, 
CURLOPT_VERBOSE => true, 
CURLOPT_HTTPHEADER => $request_headers 
); 

$curl = curl_init(); 
curl_setopt_array($curl, $curl_options); 
$result = curl_exec($curl); 
curl_close ($curl); 

In my code i'm passing utterance as one of the multipart parameter but still i'm getting the same error. I have googled to resolve the problem but not able to fix it. Is there any problem in the above code approach, if any one have idea please share to me to fix or resolve the issue. 

請幫助/協助我解決此問題。

Answer 1

您正在嘗試手動執行curl應該執行的操作（構建http查詢，生成邊界，添加標題，內容長度）。 順便說一句，對於PHP 5.5+，你應該使用CURLFile而不是'@file'。

代碼PHP低於5.5：

$a1614_1 = "@" .realpath("RecordFiles/1614_1.wav"); 

$payload = array("sessionid"=>$sessionid,"clientid"=> $clientid,"userid"=>$userid,"utterance"=> $a1614_1,"type"=>$type,"action"=>$action); 

$curl_options = array(
CURLOPT_URL => $base_api_url, 
CURLOPT_POST => true, 
CURLOPT_POSTFIELDS => $payload, 
CURLOPT_HTTP_VERSION => 1.0, 
CURLOPT_RETURNTRANSFER => true, 
CURLOPT_VERBOSE => true 
); 

$curl = curl_init(); 
curl_setopt_array($curl, $curl_options); 
$result = curl_exec($curl); 
curl_close ($curl); 

代碼PHP 5.5+：

$baseApiUrl = 'http://some.net/api'; 
$file = new CurlFile(realpath('RecordFiles/1614_1.wav')); 

$fields = array(
    'sessionid' => $sessionid, 
    'clientid' => $clientid, 
    'userid' => $userid, 
    'utterance' => $file, 
    'type' => $type, 
    'action' => $action 
); 

$curl = curl_init(); 
curl_setopt($curl, CURLOPT_URL, $baseApiUrl); 
curl_setopt($curl, CURLOPT_POST, true); 
curl_setopt($curl, CURLOPT_POSTFIELDS, $fields); 
curl_setopt($curl, CURLOPT_RETURNTRANSFER, true); 

$result = curl_exec($curl); 

curl_close($curl);