balance . '
'; // Ovako pristupamo vrednosti balance 'pravimo referencu' } 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; } } //Multiple instances of class : $alex = new BankAccount; $billy = new BankAccount; $alex -> Deposit(100); $billy -> Deposit(50); $alex -> Withdraw(98); $billy -> Withdraw(12.5); echo $alex -> DisplayBalance(); echo $billy -> DisplayBalance(); ?>