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<?php class Foo implements IteratorAggregate { public function getIterator() { return ['foo', 'bar', 'baz']; } } foreach (new Foo as $foo) { var_dump($foo); }
Output for git.master, git.master_jit, rfc.property-hooks
Deprecated: Return type of Foo::getIterator() should either be compatible with IteratorAggregate::getIterator(): Traversable, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/4Qa9a on line 5 Fatal error: Uncaught Exception: Objects returned by Foo::getIterator() must be traversable or implement interface Iterator in /in/4Qa9a:11 Stack trace: #0 {main} thrown in /in/4Qa9a on line 11
Process exited with code 255.

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