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<?php interface MyOwnInterface { public function getBar(); public function setBar($bar); } trait Foo { protected \DateTime $bar; public function getBar(): \DateTime { return $this->bar; } public function setBar(\DateTime $bar) { $this->bar = $bar; return $this; } } class MyClass implements MyOwnInterface { use Foo; }
Output for git.master_jit, git.master
Fatal error: Declaration of MyClass::setBar(DateTime $bar) must be compatible with MyOwnInterface::setBar($bar) in /in/q0qFe on line 19
Process exited with code 255.

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