protected function getUniqueLoginKey()
    {
        $key = $this->request->input($this->loginKey);
        $ip = $this->request->ip();

        return \mb_strtolower($key).$ip;
    }
protected function getUniqueLoginKey()
    {
        $key = $this->request->input($this->loginKey);
        $ip = $this->request->ip();

        return \mb_strtolower($key).$ip;
    }
protected function getUniqueLoginKey ( ) { $ key = $ this -> request -> input ( $ this -> loginKey ) ; $ ip = $ this -> request -> ip ( ) ; return \ mb_strtolower ( $ key ) . $ ip ; }
Get the login key.

@return string
Get the login key .