type = $input; } public function DisplayBalance() { return 'Balance: ' . $this->balance . '
'; } public function Withdraw($amount) { if ($this->balance < $amount) { echo 'Not enough money
'; } else { $this->balance = $this->balance - $amount; } } public function Deposit($amount){ $this->balance = $this->balance + $amount; } } class SavingsAccount extends BankAccount { } $alex = new BankAccount; $alex->SetType('18-25 Current'); $alex->Deposit(100); $alex->Withdraw(20); $alex_savings = new SavingsAccount; $alex_savings -> Deposit(40); $alex_savings->SetType('Super Saver'); echo $alex-> type .' has ' .$alex->DisplayBalance(); echo $alex_savings->type .' has ' .$alex_savings->DisplayBalance(); ?>