post - imageshack API cURL -

i credentials correct.

when send image through form this:(action="http://api.imageshack.com/v2/images/"). working fine when tried send $ch = curl_init($url); failed.

code:

enter code here <form action="" method="post" enctype="multipart/form-data">     select image upload:     <input type="file" name="file" id="file" multiple>     <input type="text" name="auth_token" id="auth_token" value="xxxxxxxxxxxxxxxx">     <input type="text" name="api_key" id="api_key" value="xxxxxxxxxxxxxxx">      <input type="submit" value="upload image" > </form> 

$url = 'http://api.imageshack.com/v2/images/';

    $temp = $_files["file"]['tmp_name'];      echo $temp."<br>" ;    $ch = curl_init($url);      curl_setopt($ch, curlopt_post, true);      curl_setopt($ch, curlopt_returntransfer, true);      curl_setopt($ch, curlopt_timeout, 240);      curl_setopt($ch, curlopt_postfields, array(        'file'=> '@'.$temp,        "key" => "xxxxxxxxxxxxxxxxxxxx",       "auth_token" => "xxxxxxxxxxxxxxx"                  )); curl_exec($ch); 

i have tried header: curl_setopt($ch, curlopt_httpheader, $headers);

and error imageshack json: {"error_code":1,"error_message":"invalid image file. file uploaded not being detected image file.","error_info":{"content-type":null,"filesize":0}}