Start PHP Code RESULT
Hello, my name is Harry
Hello, my name is Apollo
I'm not going to tell you my name
End PHP Code RESULT
The PHP Code START
class first_class{
    var $name = "Harry";
     
    function first_class( $n) {
        $this->name= $n;
    }
    
    function sayHello() {
        print "Hello, my name is $this->name<br />";
    }
}

class second_class extends first_class {
    function sayHello() {
        print "I'm not going to tell you my name<br />";
    }
}

$test1 = new first_class("Harry");
$test2 = new first_class("Apollo");
$test3 = new second_class("Son of Harry");
$test1->sayHello();
$test2->sayHello();
$test3->sayHello();
The PHP Code END