3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo implements IteratorAggregate { public function getIterator() { yield; } } var_dump((new ReflectionClass('Foo'))->isIterateable());
Output for 8.1.0 - 8.1.29, 8.2.0 - 8.2.23, 8.3.0 - 8.3.11
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/hibva on line 4 bool(true)
Output for 5.6.0 - 5.6.40, 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
bool(true)

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81.29 ms | 408 KiB | 5 Q