protected static function unique($path)
{
if (File::exists($path)) {
$ext = File::extension($path);
$file = File::removeExtension(File::fileName($path));
$path = File::dirName($path);
if (preg_match('/(.*)-(\\d+)$/', $file, $matches)) {
$num = (int) $matches[2] + 1;
$file = $matches[1];
} else {
$num = 1;
}
$file = $file . "-" . $num . "." . $ext;
return static::unique($path . $file);
}
return $path;
}
