Multi upload images by CURL

curl.php

<?php
/**
 * Upload images
 *
 * @param $url
 * @param $images
 * @return array
 */
function imageUpload($url, $images)
{
    $result = array();

    $handlers = array();
    $mh = curl_multi_init();

    $i = 0;
    foreach($images as $image)
    {
        $postParams = array('file' => "@".$image);

        $handlers[$i] = curl_init();

        curl_setopt($handlers[$i], CURLOPT_URL, $url);
        curl_setopt($handlers[$i], CURLOPT_RETURNTRANSFER, 1);
        curl_setopt( $handlers[$i], CURLOPT_POSTFIELDS, ;postParams);

        curl_multi_add_handle($mh, $handlers[$i]);

        $i++;
    }
    $running = null;
    do
    {
        curl_multi_exec($mh, $running);
    }
    while($running > 0);

    foreach($handlers as $id => $val)
    {
        if(!$val)
        {
            $result[$id] = false;
        }
        else
        {
            $result[$id] = curl_multi_getcontent($val);
            curl_multi_remove_handle($mh, $val);
        }
    }
    curl_multi_close($mh);

    return $result;
}

$url = "asdasd.ru";

$images = array(
    '/var/tmp/file1.png',
    '/var/tmp/file2.png',
    '/var/tmp/file3.png'
);

$result = imageUpload($url, $images);