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<?php
namespace app\helpers;
class Random
{
/**
* Generate a file name
*
* @param string $extension The file extension
* @return string
*/
public static function fileName(string $extension): string
$name = date('YmdHis') . substr(md5(microtime() . uniqid()), 0, 10);
return $name . '.' . $extension;
}
rkit /
bootstrap-yii2
