<?php class Test {     private $foo;     public function __construct($foo)     {         $this->foo=$foo;     }     public function bar()     {         echo ‘Accessed the private method.‘;     }     public function baz(Test $other)     {         //We can change the private property:         $other->foo = ‘hello‘;         var_dump($other->foo);         //We can also call the private method:        $other->bar();     } }$test = new Test(‘test‘);$test->baz(new Test(‘other‘));

D:\wamp64\www\w\w.php:20:string ‘hello‘ (length=5)Accessed the private method.