[solved] POST datas not found

Controller: 

PHP Code:

public function addserver(){
        // Varibles
        $game = $this->input->post('game');
        $country = $this->input->post('country');
        $ip = $this->input->post('ip');
        $port = $this->input->post('port');
        $qport = $this->input->post('query_port');
        $captcha = $this->input->post('captcha');
        $captchaSession = $this->session->userdata('code');
        // Our error
        $error = "";
        // Let's check
        if($game == 0){
            $error = "Select a game !";
        } elseif($country == 0){
            $error = "Select a country !";
        } elseif(ctype_space($ip)){
            $error = "You must write a DNS / IP Address !";
        } elseif(ctype_space($port) || ctype_space($qport)){
            $error = "You must write Port / Query Port !";
        } elseif(strlen($captcha) != strlen($captchaSession)){
            $error = "Your Captcha is invalid !";
        } else {
            $v = 1;
            for($i=0;$i<=5;$i++){    
                if($captcha[$i]!= $captchaSession[$i]){    
                    $v=0;
                    break;
                }
            }
            if($v == 0){
                $error = "Your Captcha is invalid !";
            } else {
                $error = "Success";
            }
        }
        $this->session->set_flashdata('addMessage', $error);
        redirect(base_url());
    } 


Form:

Code:

<form role="form" action="addserver" method="POST">
                                    <tr>
                                        <td colspan="2"><i class='fa fa-gamepad lblue'></i> Game Type
                                            <select name="game" class="form-control" id="game" required/>
                                                <option value="0" selected="true" disabled> Select a game</option>
                                                <?php echo $this->settings->getGames();?>
                                            </select>
                                        </td>
                                        <td>
                                            <i class='fa fa-globe red'></i> Country
                                            <select name="country" class="form-control" required/>
                                                <option value="RO">Romania</option>
                                            </select>
                                        </td>
                                    </tr>
                                    <tr>
                                        <td><i class='fa fa-location-arrow pink'></i> IP / DNS Address<input type="text" class="form-control input-lg" name="ip" placeholder="e.g: csgo.domain.com / 125.23.51.29" autocomplete="off" required/></td>
                                        <td><i class='fa fa-location-arrow green'></i> Port<input type="text" class="form-control input-lg numOnly" id="port" name="port" maxlength="5" autocomplete="off" placeholder="27015" required/></td>
                                        <td><i class='fa fa-location-arrow green'></i> Query Port<input type="text" class="form-control input-lg numOnly" id="query_port" name="query_port" maxlength="5" autocomplete="off" placeholder="27015" required/></td>
                                    </tr>
                                    <tr>
                                        <td><center><?php echo img(array('src'=>base_url('captcha'),'id'=>'captcha','border'=>'0'));?><br /><a onclick="loadimgs()"><font color="green"><i class='fa fa-refresh'></i></font> Refresh</a></center></td>
                                        <td><input class="form-control input-lg numOnly" name="captcha" type="text" maxlength="6" placeholder="Captcha" autocomplete="off" required /></td>
                                        <td><center><div class="checkbox"><label><input type="checkbox" value="1" required>I accept <u><a href="#">Terms & Conditions</a></u> of this website !</label></div></center></td>
                                    </tr>
                                    <tr>
                                        <td><center><button type="reset" class="btn btn-warning btn-block btn-sm"><i class='fa fa-trash'></i> Reset</button></center></td>
                                        <td colspan="2"><center><button class="btn btn-success btn-sm btn-block" type="submit" name="query"><i class='fa fa-check'></i> Add this server !</button></td>
                                    </tr>
                                </form>