34 lines
		
	
	
		
			630 B
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			34 lines
		
	
	
		
			630 B
		
	
	
	
		
			PHP
		
	
	
	
	
	
<?php
 | 
						|
class BankAccount
 | 
						|
{
 | 
						|
    protected $balance = 0;
 | 
						|
 | 
						|
    public function getBalance()
 | 
						|
    {
 | 
						|
        return $this->balance;
 | 
						|
    }
 | 
						|
 | 
						|
    protected function setBalance($balance)
 | 
						|
    {
 | 
						|
        if ($balance >= 0) {
 | 
						|
            $this->balance = $balance;
 | 
						|
        } else {
 | 
						|
            throw new RuntimeException;
 | 
						|
        }
 | 
						|
    }
 | 
						|
 | 
						|
    public function depositMoney($balance)
 | 
						|
    {
 | 
						|
        $this->setBalance($this->getBalance() + $balance);
 | 
						|
 | 
						|
        return $this->getBalance();
 | 
						|
    }
 | 
						|
 | 
						|
    public function withdrawMoney($balance)
 | 
						|
    {
 | 
						|
        $this->setBalance($this->getBalance() - $balance);
 | 
						|
 | 
						|
        return $this->getBalance();
 | 
						|
    }
 | 
						|
}
 |