<?php
Class Test2{
function sayHello(){echo "hello";}
}
Class Test1{
private $var1;
function Test1(){$var1 = new Test2();}
function faisParlerTest2(){$var1->sayHello();}
}
$test1 = new Test1();
$test1->faisParlerTest2();
:?>
/ Fatal error: Call to a member function sayHello() on a non-object in test.php on line 12