An abstract class is a mix between an interface and a class. It can be define functionality as well as interface.
abstract class MyAbstract
{
//Methods
}
//And is attached to a class using the extends keyword.
class Myclass extends MyAbstract
{
//class methods
}<?php
abstract class a
{
abstract public function dis1();
abstract public function dis2();
}
class b extends a
{
public function dis1()
{
echo "rookienerd";
}
public function dis2()
{
echo "SSSIT";
}
}
$obj = new b();
$obj->dis1();
$obj->dis2();
?>Output:
<?php
abstract class Animal
{
public $name;
public $age;
public function Describe()
{
return $this->name . ", " . $this->age . " years old";
}
abstract public 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();
?>Output:
