3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php class A { private function foo(int $bar) { echo "This is private"; } public function getClosure($bar) { return function () use ($bar) { $this->foo($bar); }; } } class B extends A { public function test(A $a, C $c) { $aFN = $a->getClosure("Hello"); $bFN = $this->getClosure("Hello"); $cFN = $c->getClosure("Hello"); $aFN(); $cFN(); } } class C extends B { public function foo(bool $bar) { echo "This is public"; } public function getClosure($bar) { return function () use ($bar) { $this->foo($bar); }; } } $a = new A; $c = new B; $obj = new B(); $obj->test($a, $c);
based on VA6KI
Output for 7.0.20 - 7.2.0
Fatal error: Uncaught TypeError: Argument 2 passed to B::test() must be an instance of C, instance of B given, called in /in/PNhTl on line 36 and defined in /in/PNhTl:14 Stack trace: #0 /in/PNhTl(36): B->test(Object(A), Object(B)) #1 {main} thrown in /in/PNhTl on line 14
Process exited with code 255.
Output for 7.0.0 - 7.0.6
Warning: Declaration of C::foo(bool $bar) should be compatible with A::foo(int $bar) in /in/PNhTl on line 31 Fatal error: Uncaught TypeError: Argument 2 passed to B::test() must be an instance of C, instance of B given, called in /in/PNhTl on line 36 and defined in /in/PNhTl:14 Stack trace: #0 /in/PNhTl(36): B->test(Object(A), Object(B)) #1 {main} thrown in /in/PNhTl on line 14
Process exited with code 255.
Output for 5.6.28
Catchable fatal error: Argument 2 passed to B::test() must be an instance of C, instance of B given, called in /in/PNhTl on line 36 and defined in /in/PNhTl on line 14
Process exited with code 255.
Output for 5.4.10 - 5.6.21
Strict Standards: Declaration of C::foo() should be compatible with A::foo(int $bar) in /in/PNhTl on line 31 Catchable fatal error: Argument 2 passed to B::test() must be an instance of C, instance of B given, called in /in/PNhTl on line 36 and defined in /in/PNhTl on line 14
Process exited with code 255.
Output for 5.3.20 - 5.3.29
Strict Standards: Declaration of C::foo() should be compatible with that of A::foo() in /in/PNhTl on line 31 Catchable fatal error: Argument 2 passed to B::test() must be an instance of C, instance of B given, called in /in/PNhTl on line 36 and defined in /in/PNhTl on line 14
Process exited with code 255.