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<?php declare(strict_types=1); class Test implements \IteratorAggregate { public function getIterator(){} } function test(iterable $it){ var_dump($it); } test((new Test)); test([1,2,3]);
Output for 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
Deprecated: Return type of Test::getIterator() should either be compatible with IteratorAggregate::getIterator(): Traversable, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/CVXN3 on line 6 object(Test)#1 (0) { } array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3) }
Output for 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30
object(Test)#1 (0) { } array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3) }
Output for 5.6.38
Warning: Unsupported declare 'strict_types' in /in/CVXN3 on line 2 Catchable fatal error: Argument 1 passed to test() must be an instance of iterable, instance of Test given, called in /in/CVXN3 on line 13 and defined in /in/CVXN3 on line 9
Process exited with code 255.
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