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<?php class A { } class B extends A { } class C { public function woot(A $foo) { return $foo; } } class D extends C { public function woot(B $foo) { return $foo; } } $test = new D(); var_dump($test->woot(new B()));
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Declaration of D::woot(B $foo) must be compatible with C::woot(A $foo) in /in/qWJSW on line 11
Process exited with code 255.
Output for 7.4.0 - 7.4.33
Warning: Declaration of D::woot(B $foo) should be compatible with C::woot(A $foo) in /in/qWJSW on line 11 object(B)#2 (0) { }
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
Warning: Declaration of D::woot(B $foo) should be compatible with C::woot(A $foo) in /in/qWJSW on line 14 object(B)#2 (0) { }
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Strict Standards: Declaration of D::woot() should be compatible with C::woot(A $foo) in /in/qWJSW on line 14 object(B)#2 (0) { }
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