1--TEST-- 2Testing 'self', 'parent' as type-hint 3--FILE-- 4<?php 5 6interface iTest { } 7 8class baz implements iTest {} 9 10class bar { } 11 12class foo extends bar { 13 public function testFoo(self $obj) { 14 var_dump($obj); 15 } 16 public function testBar(parent $obj) { 17 var_dump($obj); 18 } 19 public function testBaz(iTest $obj) { 20 var_dump($obj); 21 } 22} 23 24$foo = new foo; 25$foo->testFoo(new foo); 26$foo->testBar(new bar); 27$foo->testBaz(new baz); 28$foo->testFoo(new stdClass); // Catchable fatal error 29 30?> 31--EXPECTF-- 32object(foo)#%d (0) { 33} 34object(bar)#%d (0) { 35} 36object(baz)#%d (0) { 37} 38 39Catchable fatal error: Argument 1 passed to foo::testFoo() must be an instance of foo, instance of stdClass given, called in %s on line %d and defined in %s on line %d 40