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<?php trait FooTrait { public function doFoo() { $this->doBar(); } } class Bar { use FooTrait; public function doBar() { var_dump('bar'); } } class Baz { use FooTrait; } (new Bar())->doFoo(); (new Baz())->doFoo();
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
string(3) "bar" Fatal error: Uncaught Error: Call to undefined method Baz::doBar() in /in/XQ0Y4:8 Stack trace: #0 /in/XQ0Y4(33): Baz->doFoo() #1 {main} thrown in /in/XQ0Y4 on line 8
Process exited with code 255.
Output for 5.6.0 - 5.6.40
string(3) "bar" Fatal error: Call to undefined method Baz::doBar() in /in/XQ0Y4 on line 8
Process exited with code 255.
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