<         for ($i = 0; $i < 2; $i++) {
---
>         for ($i = 0; $i < 3; $i++) {
92,95c92,95
<             ($this->field[0][0] == $player &&
<              $this->field[2][2] == $player) ||
<             ($this->field[0][2] == $player &&
<              $this->field[2][0] == $player)) {
---
>             (($this->field[0][0] == $player &&
>               $this->field[2][2] == $player) ||
>              ($this->field[0][2] == $player &&
>               $this->field[2][0] == $player))) {