public function old(string $key, $default = null, bool $trim = true, bool $clean = true)
    {
        $value = $this->request->old($key, $default);

        return $this->clean($value, $trim, $clean);
    }
public function old(string $key, $default = null, bool $trim = true, bool $clean = true)
    {
        $value = $this->request->old($key, $default);

        return $this->clean($value, $trim, $clean);
    }
public function old ( string $ key , $ default = null , bool $ trim = true , bool $ clean = true ) { $ value = $ this -> request -> old ( $ key , $ default ) ; return $ this -> clean ( $ value , $ trim , $ clean ) ; }
Get an old input item from the request.

@param string $key
@param mixed  $default
@param bool   $trim
@param bool   $clean

@return mixed
Get an old input item from the request .