public function donations() { if (!empty($_POST)) { $price1 = "100"; $price2 = "200"; $price3 = "400"; $err = array(0, 0); if (isset($_POST['money'])) { $money = $_POST['money']; } if ($money == $price1 or $money == $price2 or $money == $price3) { $err[0] = 0; } else { $err[0] = 1; } if (isset($money)) { if ($err[0] != 0) { return $err; } else { $err[1] = 1; Model_donations::counting(); return $err; } } } }