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<?php class Foo implements \IteratorAggregate, \ArrayAccess, \Countable { private $data = [1,2,3]; public function getIterator() { return new \ArrayIterator($this->data); } public function count() { return count($this->data); } public function offsetExists($offset) { return isset($this->data[$offset]); } public function offsetGet($offset) { return $this->data[$offset]; } public function offsetSet($offset, $value) { $this->data[$offset] = $value; } public function offsetUnset($offset) { unset($this->data[$offset]); } } foreach ((new \ArrayObject(new Foo)) as $key => $value) { var_dump($key, $value); }
Output for git.master, git.master_jit, rfc.property-hooks
Deprecated: Return type of Foo::getIterator() should either be compatible with IteratorAggregate::getIterator(): Traversable, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/cIAD5 on line 7 Deprecated: Return type of Foo::offsetExists($offset) should either be compatible with ArrayAccess::offsetExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/cIAD5 on line 17 Deprecated: Return type of Foo::offsetGet($offset) should either be compatible with ArrayAccess::offsetGet(mixed $offset): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/cIAD5 on line 22 Deprecated: Return type of Foo::offsetSet($offset, $value) should either be compatible with ArrayAccess::offsetSet(mixed $offset, mixed $value): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/cIAD5 on line 27 Deprecated: Return type of Foo::offsetUnset($offset) should either be compatible with ArrayAccess::offsetUnset(mixed $offset): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/cIAD5 on line 32 Deprecated: Return type of Foo::count() should either be compatible with Countable::count(): int, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/cIAD5 on line 12

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