public function move()
{
echo __METHOD__ . "=walk" . "<br/>";
}
}
class Birds extends Animals
{
public function move()
{
echo __METHOD__ . "=fly" . "<br/>";
}
}
class Amphibias extends Animals
{
public function move()
{
echo __METHOD__ . "=crawl" . "<br/>";
}
}
$animal = new Animals();
$animal->move();
// the output will be "Animals::move"
$mammal = new Mammals();
$mammal->move();
// the output will be "Mammals::move=walk"
$bird = new Birds();
$bird->move();
// the output will be "Birds::move=fly"
$amphibia = new Amphibias();
$amphibia->move();
// the output will be "Amphibias::move=crawl"
