Microweber\Providers\MediaManager::upload PHP Method

    public function upload($data)
    {
        if ($this->app->user_manager->is_admin() == false) {
            mw_error('not logged in as admin');
        }
        ini_set('upload_max_filesize', '2500M');
        ini_set('memory_limit', '256M');
        ini_set('max_execution_time', 0);
        ini_set('post_max_size', '2500M');
        ini_set('max_input_time', 9999999);
        // ini_set("session.upload_progress.enabled", 1);
        if (isset($_SERVER['HTTP_REFERER'])) {
            $ref_str = md5($_SERVER['HTTP_REFERER']);
        } else {
            $ref_str = 'no_HTTP_REFERER';
        }
        $ref_str = 'no_HTTP_REFERER';
        $cache_id = 'upload_progress_' . $ref_str;
        $cache_group = 'media/global';
        $target_path = media_base_path() . 'uploaded' . DS;
        $target_path = normalize_path($target_path, 1);
        if (!is_dir($target_path)) {
            mkdir_recursive($target_path);
        }
        $rerturn = array();
        if ((!isset($_FILES) or empty($_FILES)) and isset($data['file'])) {
            if (isset($data['name'])) {
                $f = $target_path . $data['name'];
                if (is_file($f)) {
                    $f = $target_path . date('YmdHis') . $data['name'];
                }
                $df = strpos($data['file'], 'base64,');
                if ($df != false) {
                    //   $df = substr($data['file'], 0, $df);
                    $data['file'] = substr($data['file'], $df + 7);
                    $data['file'] = str_replace(' ', '+', $data['file']);
                    //    d($data['file']);
                }
                $up = $this->base64_to_file($data['file'], $f);
                $rerturn['src'] = $this->app->url_manager->link_to_file($f);
                $rerturn['name'] = $data['name'];
                return json_encode($rerturn);
            }
        } else {
            $allowedExts = array('jpg', 'jpeg', 'gif', 'png', 'bmp');
            //$upl = $this->app->cache_manager->save($_FILES, $cache_id, $cache_group);
            foreach ($_FILES as $item) {
                $extension = end(explode('.', $item['name']));
                if (in_array($extension, $allowedExts)) {
                    if ($item['error'] > 0) {
                        mw_error('Error: ' . $item['error']);
                    } else {
                        $upl = $this->app->cache_manager->save($item, $cache_id, $cache_group);
                        $f = $target_path . $item['name'];
                        if (is_file($f)) {
                            $f = $target_path . date('YmdHis') . $item['name'];
                        }
                        $progress = (array) $item;
                        $progress['f'] = $f;
                        $upl = $this->app->cache_manager->save($progress, $cache_id, $cache_group);
                        if (move_uploaded_file($item['tmp_name'], $f)) {
                            $rerturn['src'] = $this->app->url_manager->link_to_file($f);
                            $rerturn['name'] = $item['name'];
                        }
                    }
                } else {
                    mw_error('Invalid file ext');
                }
                //
                //            $input = fopen("php://input", "r");
                //            $temp = tmpfile();
                //
                //            $realSize = stream_copy_to_stream($input, $temp);
                //            fclose($input);
                //
                //
                //
                //
                //            $target = fopen($f, "w");
                //            fseek($temp, 0, SEEK_SET);
                //            stream_copy_to_stream($temp, $target);
                //            $rerturn['src'] = $this->app->url_manager->link_to_file($f);
                //            $rerturn['name'] = $item['name'];
                //            fclose($target);
            }
        }
        exit(json_encode($rerturn));
    }