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PHP Code Examples

Title :	An updated OOP - Inheritance
Categories :	PHP, PHP Classes, Object Oriented	Juma Nabongo
Date :	Apr 26th 2003
Grade :	3 of 5 (graded 7 times)
Viewed :	6668
File :	No file for this code example.
Images :	No Images for this code example.

Search :	More code by Juma Nabongo
Action :	Grade This Code Example
Tools :	My Examples List

Code

<?php
                /*PHP supports inheritance. Inheritance is the concept of one class being
                devined as a special case of a more general class.
                A Sport car is a car it inherits all its variables and functions from Car*/

class Car {
         var $description; //The aim here is to display the description and the cost of car!
         var $cost;

         function Car($d, $c) {
                        $this->set($d, $c);
                        }

                        function display() {
                        echo ("<br>$this->description, $this->cost");
                        }

                        function set($d,$c) {
                                $this->description = $d;
                                $this->cost = $c;
                        }

                        function setDescription($d) {
                                $this->description = $d;
                        }

                        function getDescription() {
                                return $this->description;
                        }
                }

         class sportcar extends Car {
                var $tyres;

                function sportcar($d, $c, $t) {
                        $this->set($d, $c);
                        $this->tyres = $t;
                        }

                function displays() { //This is a function to display items named ie tyres
                        echo "<br>$this->tyres"; // Here is to display the number of tyres
                        $this->display();
                        }
                }

                $ordinary = new Car("Ford", 29050.00); // Constructor - new car
                $scar = new sportcar("Porshe",900000.00,4); // Constructor - new sportcar

                $ordinary->display();
                $scar->displays(); //scar : Sportcar
                ?>

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