src/Cache.php
public static function getFilename()
    {
        if (\is_dir(\dirname(self::$filename))) {
            return self::$filename;
        }

        return (getcwd() ?: './').'/'.self::$filename;
    }
public static function getFilename()
    {
        if (\is_dir(\dirname(self::$filename))) {
            return self::$filename;
        }

        return (getcwd() ?: './').'/'.self::$filename;
    }
public static function getFilename ( ) { if ( \ is_dir ( \ dirname ( self :: $ filename ) ) ) { return self :: $ filename ; } return ( getcwd ( ) ? : './' ) . '/' . self :: $ filename ; }
Return cache filename.

@return string
Return cache filename .