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<?php $array = new ArrayObject(array(1, 2)); $it = $array->getIterator(); while ($it->valid()) { echo $it->current(); $prev = clone $it; $it->next(); } $array[] = 3; $it = $prev; $prev->next(); echo $it->valid() ? $it->current() : "not valid";
Output for git.master, git.master_jit, rfc.property-hooks
122

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