1--TEST-- 2Classes inheritance test 3--FILE-- 4<?php 5 6/* Inheritance test. Pretty nifty if I do say so myself! */ 7 8class foo { 9 public $a; 10 public $b; 11 function display() { 12 echo "This is class foo\n"; 13 echo "a = ".$this->a."\n"; 14 echo "b = ".$this->b."\n"; 15 } 16 function mul() { 17 return $this->a*$this->b; 18 } 19}; 20 21class bar extends foo { 22 public $c; 23 function display() { /* alternative display function for class bar */ 24 echo "This is class bar\n"; 25 echo "a = ".$this->a."\n"; 26 echo "b = ".$this->b."\n"; 27 echo "c = ".$this->c."\n"; 28 } 29}; 30 31 32$foo1 = new foo; 33$foo1->a = 2; 34$foo1->b = 5; 35$foo1->display(); 36echo $foo1->mul()."\n"; 37 38echo "-----\n"; 39 40$bar1 = new bar; 41$bar1->a = 4; 42$bar1->b = 3; 43$bar1->c = 12; 44$bar1->display(); 45echo $bar1->mul()."\n"; 46--EXPECT-- 47This is class foo 48a = 2 49b = 5 5010 51----- 52This is class bar 53a = 4 54b = 3 55c = 12 5612 57
