upload image error with php class and curl -


hi have code uploader.php:

class uploader      {         var $filepath;         var $uploadurl;         var $formfilevariablename;         var $postparams = array ();          function uploader($filepath, $uploadurl, $formfilevariablename, $otherparams = false)          {             $this->filepath = $filepath;             $this->uploadurl = $uploadurl;             if(is_array($otherparams) && $otherparams != false)              {                 foreach($otherparams $fieldname => $fieldvalue)                  {                     $this->postparams[$fieldname] = $fieldvalue;                 }             }             $this->postparams[$formfilevariablename] = "@" . $filepath;         }          function uploadfile()          {             $ch = curl_init();             curl_setopt($ch, curlopt_url, $this->uploadurl);             curl_setopt($ch, curlopt_post, 1);             curl_setopt($ch, curlopt_postfields, $this->postparams);             curl_setopt($ch, curlopt_returntransfer, 1);             $postresult = curl_exec($ch);              if (curl_errno($ch))              {                 print curl_error($ch);                 print "unable upload file.";                 exit();             }             curl_close($ch);              return $postresult;         }     } 

and use this:

require('uploader.php');  $upload_server = "http://developers.mytech.com.mx/files/api/upload.php";      $file = $_files['archivo']['tmp_name']; $archivo = $file; $extension = pathinfo($archivo, pathinfo_extension); $nombre_base = basename($archivo, '.'.$extension);     $upload = new uploader($file, $upload_server,'file', array('api_key' => 'ic00n6yokd'));     $result = $upload->uploadfile();     if(preg_match("/upload_failed/", $result)){ echo "upload failed."; }     if(preg_match("/error_tamano/", $result)){ echo "archivo muy grande."; }     if(preg_match("/api_invalida/", $result)){ echo "invalid api code."; }     if(preg_match("/error_type/", $result)){ echo "archivo no valido."; }     if(preg_match("/upload_success/", $result)){ echo $result; } 

but problem wht uploads tmp_name file , not image if change line: $file = $_files['archivo']['tmp_name']; $file = $_files['archivo']['name'];

i error: failed creating formpost data

my question how use class orectly can upload image

maybe should specify headers image data try this:

curl_setopt($ch, curlopt_httpheader, array(     'content-type: image/png'  )); 

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