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<?php class NullKeyIterator extends \ArrayIterator { public function key() { return 3.22; } } $iterator = new NullKeyIterator(range(1,10)); foreach($iterator as $key => $value) { var_dump($key, $value); }
Output for git.master, git.master_jit, rfc.property-hooks
Deprecated: Return type of NullKeyIterator::key() should either be compatible with ArrayIterator::key(): string|int|null, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/nAoW3 on line 5 float(3.22) int(1) float(3.22) int(2) float(3.22) int(3) float(3.22) int(4) float(3.22) int(5) float(3.22) int(6) float(3.22) int(7) float(3.22) int(8) float(3.22) int(9) float(3.22) int(10)

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