public function setInt(string $key, int $value): self
    {
        $this->set($key, intval($value));
        return $this;
    }
public function setInt(string $key, int $value): self
    {
        $this->set($key, intval($value));
        return $this;
    }
public function setInt ( string $ key , int $ value ) : self { $ this -> set ( $ key , intval ( $ value ) ) ; return $ this ; }
Set int.

@param string $key
@param int $value
@return $this
Set int .