<?php
  if ($bank_balance < 100)
  {
  	$money         = 1000;
  	$bank_balance += $money;
  }
  elseif ($bank_balance > 200)
  {
  	$savings      += 100;
  	$bank_balance -= 100;
  }
  else
  {
  	$savings      += 50;
  	$bank_balance -= 50;
  }
?>