public static function get(string $key)
    {
        $encodedValue = @file_get_contents(self::determineDabaseFilePathFor($key));
        if ($encodedValue === false) {
            return null;
        }

        return Json::decode($encodedValue);
    }
public static function get(string $key)
    {
        $encodedValue = @file_get_contents(self::determineDabaseFilePathFor($key));
        if ($encodedValue === false) {
            return null;
        }

        return Json::decode($encodedValue);
    }
public static function get ( string $ key ) { $ encodedValue = @ file_get_contents ( self :: determineDabaseFilePathFor ( $ key ) ) ; if ( $ encodedValue === false ) { return null ; } return Json :: decode ( $ encodedValue ) ; }
Returns the value that was previously set for the given key, or `null` if no value is known.

@param string $key
@return mixed|null
Returns the value that was previously set for the given key or null if no value is known .