public function EmptyCart()
	{
		foreach ($this->items as $item => $price)
		{
			$this->RemoveToCart($item);
		}
	}

<?php

Class ClassStore
{
	public $items = Array();
	
	public function GetItemList()
	{
		return $this->items;
	}
	
	public function ItemQuantity($item)
	{
		$i = 0;
		
		foreach ($this->items as $key => $value)
		{
			if ($value == $item)
			{
				$i++;
			}
		}
		
		return $i;
	}
	
	public function Amount()
	{
		$amount = 0;
		
		foreach ($this->items as $item => $price)
		{
			$amount += $price;
		}
		
		return $amount;
	}
	
	public function AddToCart($item, $price)
	{
		$this->items[$item] = $price;
	}
	
	public function RemoveToCart($item)
	{
		unset($this->items[$item]);
	}
	
	public function CreateTicket()
	{
		global $core;

			$ticket = "ticket-";
			$ticket .= $core->Hash(rand(30,150));
			
			return $ticket;
	}
	
	public function GetUserMoney($username)
	{
		global $users;
		
		if ($users->IsNameTaken($username))
		{
			mysql_result(dbquery("SELECT money FROM user_store"), 0);
		}
	}
	
	public function HaveEnoughMoney($username)
	{
		global $users;
		
		if ($users->IsNameTaken($username))
		{
			if ($this->GetUserMoney($username) >= $this->Amount())
			{
				return true;
			}
			
			return false;
		}
	}
	
	public function SubtractMoney($username, $value)
	{
		global $users;
		
		if ($users->IsNameTaken($username))
		{
			$value = $this->GetUserMoney($username) - $value;
			
			dbquery("UPDATE user_infos SET money = '" . $value . "' WHERE username = '" . filter($username) . "'");
		}
	}
	
	public function BuyItems($username)
	{
		global $users;
		
		if ($users->IsNameTaken($username))
		{
			if ($this->HaveEnoughMoney($username))
			{
				$this->SubtractMoney($username, $this->Amount());
				dbquery("INSERT INTO user_ticket (ticket) VALUES ('" . $this->CreateTicket(); . "')");
				
				return true;
			}
			
			return false;
		}
	}
}

?>