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<?php $i = new ArrayIterator(); $i->offsetSet(0, 0); $i->offsetSet(100, 100); $i->offsetSet(200, FALSE); print_r($i); print_r(count($i)); print_r($i->current());
Output for git.master, git.master_jit, rfc.property-hooks
ArrayIterator Object ( [storage:ArrayIterator:private] => Array ( [0] => 0 [100] => 100 [200] => ) ) 30

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