Miscellany

<?phpclass A{public function myFunction(){}}$aInst = new A();////class B{private $a;public function __construct($obj){ $this->a = $obj);public function callMyFunction(){$this->a->myFunction();}}$b = new B($aInst);$b->callMyFunction();or////class B{public callMyFunction($b) { $b->myFunction(); }}$b = new B();$b->callMyFunction($aInst);