comprobarhorizontal

$i = 0;
$vermell = 0;
$groc = 0;
while ($vermell < 4 && $groc < 4 && $i <= count($_SESSION["tauler"][0]) - 1) {

  if ($_SESSION["tauler"][$fila][$i] == 1) {
    $vermell++;
    $groc = 0;
  } elseif ($_SESSION["tauler"][$fila][$i] == 2) {
    $groc++;
    $vermell = 0;
  } else {
    $vermell = 0;
    $groc = 0;
  }
  $i++;
}


if ($vermell == 4 || $groc == 4) {
  return true;
} else {
  return false;
}