php斐波那契數列實現

/**
* $n 數量
*/
function fibonacci($n)
{
  $sequence = [0, 1];

  for ($i = 2; $i < $n; $i++) {
    $sequence[$i] = $sequence[$i-1] + $sequence[$i-2];
  }

  return $sequence;
}

var_dump(fibonacci(100));