<?php class BankAccount { public $balance = 0; public function DepositBalance($amount) { return $this->balance = $this->balance + $amount; } public function DisplayBalance() { return $this->balance; } public $type = '18-25'; public function SetType($input) { $this->type = $input; } } class SavingBankAccount extends BankAccount { public $type = 'Supersaver'; } $user1 = new BankAccount(); $user2 = new SavingBankAccount(); $user1->SetType('Silver'); $user1->DepositBalance(3000); $user2->DepositBalance(1000); echo $user1->type . " Has Balance: " . $user1->DisplayBalance() . "<br/>"; echo $user2->type . " Has Balance: " . $user2->DisplayBalance();