Program:
Output:
<?php
class Person
{
var $name,$age;
function set($name,$age)
{
$this->name = $name;
$this->age = $age;
}
function display()
{
echo "Name: $this->name <br>";
echo "Age: $this->age <br>";
}
}
class Student extends Person
{
var $roll_no,$classe;
function set1($name,$age,$roll_no,$classe)
{
parent::set($name,$age);
$this->roll_no = $roll_no;
$this->classe = $classe;
}
function display1()
{
parent::display();
echo "Roll No: $this->roll_no <br>";
echo "Class: $this->classe <br>";
}
}
$s = new Student;
$s->set1("Atharva",18,4,10);
$s->display1();
?>
Output:
