static $doesHave4WD = true;
public function getStatus2()
{
return $this->status;
}
// static members are accessed directly from the class using ::
// they are not accessible from class instances
static function has4WD()
{
// can't use $this in a static method because it's not associated
// with an instance
//return $this->has4WD;
// we also can't access non-static members directly from the class
//return SUV::has4WD;
// note that the static variable has the $ in the name
return SUV::$doesHave4WD;
}
}
$yourCar = new Car(array('make' => 'Cadillac', 'model' => 'El Dorado', 'color' => 'pearl'));
$myCar = new SUV();
echo '<p>Your car color is ' . $yourCar->color . '</p>';
echo '<p>Your car ' . (isset($yourCar->has4WD) && $yourCar->has4WD ? 'has' : 'does not have') . ' four-wheel drive.</p>';
echo '<p>My car ' . (isset($myCar->has4WD) && $myCar->has4WD ? 'has' : 'does not have') . ' four-wheel drive.</p>';
echo '<p>Your car status is ' . $yourCar->getStatus() . '</p>';
echo '<p>My car status is ' . $myCar->getStatus() . '</p>';
// generates a warning because $status is private
echo '<p>My car status is ' . $myCar->getStatus2() . '</p>';
$myCar->has4WD();
// can't access static properties
echo SUV::has4WD();
// access the static member directly from the class
