<?php class Foo {} class Foos implements IteratorAggregate { private function __construct(private readonly iterable $foos) {} public static function fromVariadic(Foo ...$foos): self { return new self($foos); } public function getIterator(): \Traversable { return new ArrayIterator($this->foos); } } $foos = Foos::fromVariadic(new Foo, new Foo);
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