isEaten = false;
}
function eat()
{
if (!$this->isEaten()) {
global $numberOfApples;
$numberOfApples--;
$this->isEaten = true;
}
}
function isEaten()
{
return $this->isEaten;
}
// Static method
function count()
{
global $numberOfApples;
return $numberOfApples;
}
}
$a1 = new Apple(); // sets $numberOfApples to 1
$a2 = new Apple(); // sets $numberOfApples to 2
$a3 = new Apple(); // sets $numberOfApples to 3
echo(Apple::count() . "
"); // outputs 3
$a1->eat(); // sets $numberOfApples to 2
$a2->eat(); // sets $numberOfApples to 1
$a4 = new Apple();// sets $numberOfApples to 2
echo(Apple::count() . "
"); // outputs 2
?>