Php Curl send File AND array data

After very long research to manage the same problem, I think that a simpler solution could be:

$postValues = Array("test[0]" => 1, "test[1]" => 2, "test[2]" => 3);

this is the right way to emulate what happen on browsers

<input type="hidden" name="test[0]" value="1"><input type="hidden" name="test[1]" value="2">...

The result is:

Array(    [test] => Array        (            [0] => 1            [1] => 2            [2] => 3        ))Array(    [file] => Array        (            [name] => upload.txt            [type] => application/octet-stream            [tmp_name] => /tmp/phprRGsPU            [error] => 0            [size] => 30        ))

After long research and testing i`ve got the (not very nice but working) solution:

function createHttpHeader($postValues, $overrideKey = null) {    global $delimiter;    // invalid characters for "name" and "filename"    $disallow = array("\0", "\"", "\r", "\n");    $data = Array();    if (!is_array($postValues)) {        $postValues = Array($postValues);    }    foreach($postValues as $key => $value) {        $useKey = $overrideKey === null ? $key : $overrideKey. "[$key]";        $useKey = str_replace($disallow, "_", $useKey);        if (is_array($value)) {            $data = array_merge($data, addPostData($value, $useKey));        } else {            $data[] = "--". $delimiter. "\r\n";            $data[] = "Content-Disposition: form-data; name=\"". $useKey. "\"";            if (is_a($value, "\CurlFile")) {                $data[] = "; filename=\"". basename($value->name). "\"\r\n";                $data[] = "Content-Type: application/octet-stream\r\n\r\n";                $data[] = file_get_contents($value->name). "\r\n";            } else {                $data[] = "\r\n\r\n". $value. "\r\n";            }        }    }    return $data;}

Test with:

$postValues = Array(    "blaat" => 1,    "test" => Array(1,2,3),    "grid" => Array(0 => array(1,2), 1 => array(4,5)),    "gridComplex" => Array("rows" => array(1,2), "columns" => array(0 => array(1,2,3,4), 1 => array(4,5,4,5))) );$postValues["file[0]"] = new CurlFile($file, "text/plain");$postValues["file[1]"] = new CurlFile($file, "text/plain");// print_r(new CurlFile($file));exit;$delimiter = "-------------" . uniqid();$data = createHttpHeader($postValues);$data[] = "--" . $delimiter . "--\r\n";$data = implode("", $data);$curl = curl_init();curl_setopt($curl, CURLOPT_URL, "localhost/curl/post.php");curl_setopt($curl, CURLOPT_HTTPHEADER , array('Content-Type: multipart/form-data; boundary=' . $delimiter, 'Content-Length: ' . strlen($data)));curl_setopt($curl, CURLOPT_POST, true);curl_setopt($curl, CURLOPT_POSTFIELDS, $data);curl_setopt($curl, CURLOPT_RETURNTRANSFER, TRUE);$curlResult = curl_exec($curl);echo $curlResult;

Edit: addition the addPostData function:

    function addPostData($postValues, $delimiter, $overrideKey = null) {        // invalid characters for "name" and "filename"        $disallow = array("\0", "\"", "\r", "\n");        $data = Array();        if (!is_array($postValues)) {            $postValues = Array($postValues);        }        foreach($postValues as $key => $value) {            $useKey = $overrideKey === null ? $key : $overrideKey. "[$key]";            $useKey = str_replace($disallow, "_", $useKey);            if (is_array($value)) {                $data = array_merge($data, $this->addPostData($value, $delimiter, $useKey));            } else {                $data[] = "--". $delimiter. "\r\n";                $data[] = "Content-Disposition: form-data; name=\"". $useKey. "\"";                if (is_a($value, "\CurlFile")) {                    $data[] = "; filename=\"". basename($value->postname). "\"\r\n";                    $data[] = "Content-Type: ". $value->mime. "\r\n\r\n";                    $data[] = file_get_contents($value->name). "\r\n";                } else {                    $data[] = "\r\n\r\n". $value. "\r\n";                }            }        }        return $data;    }