<?php
abstract class Animal
{
public $name;
public $age;
public function Describe()
{
return $this->name . ", " . $this->age . " years old";
}
public abstract function Greet();
}
class Dog extends Animal
{
public function Greet()
{
return "Woof!";
}
public function Describe()
{
return parent::Describe() . ", and I'm a dog!";
}
}
$animal = new Dog();
$animal->name = "Bob";
$animal->age = 7;
echo $animal->Describe();
echo $animal->Greet();
<?php
class Animal
{
public $name;
public function Greet()
{
return "Hello, I'm some sort of animal and my name is " . $this->name;
}
}
class Dog extends Animal
{
}
//$animal = new Animal();
//echo $animal->Greet();
$dog = new Dog();
$dog->name = "Bob";
echo $dog->Greet();