A8C_Files::get_unique_filename PHP Метод

    function get_unique_filename($file)
    {
        $filename = strtolower($file['name']);
        $info = pathinfo($filename);
        $ext = $info['extension'];
        $name = basename($filename, ".{$ext}");
        if ($name === ".{$ext}") {
            $name = '';
        }
        $number = '';
        if (empty($ext)) {
            $ext = '';
        } else {
            $ext = strtolower(".{$ext}");
        }
        $filename = $this->_sanitize_filename($filename, $ext);
        $check = $this->_check_uniqueness_with_backend($filename);
        if (200 == $check['http_code']) {
            $obj = json_decode($check['content']);
            if (isset($obj->filename) && basename($obj->filename) != basename($post_url)) {
                $file['name'] = $obj->filename;
            }
        } else {
            if (406 == $check['http_code']) {
                $file['error'] = __('The file type you uploaded is not supported.');
            } else {
                $file['error'] = sprintf(__('Error getting the file name from the remote servers: Code %d'), $check['http_code']);
            }
        }
        return $file;
    }