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<?php $generator = static function (): iterable { yield 0 => 1; yield true => 2; yield 2 => 3; yield null => 4; }; var_export(iterator_to_array($generator()));
Output for git.master_jit, git.master
array ( 0 => 1, 1 => 2, 2 => 3, '' => 4, )

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