<?php
class A
{
public function method_a()
{
return "This is the method_a from the class A";
}
}
class B extends A
{
public function method_b()
{
return "This is method_b from the class B";
}
}
$object = new B();
echo $object->method_b();
// We can call method_b from
echo $object->method_a();
// We can call method_a using class 'B'
// because class B extends from class A