3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class Collection extends ArrayObject { protected $iterator; public function getIterator() { // Well, this is a heavy object to make, let's memoize it if (!isset($this->iterator)) { $this->iterator = new ArrayIterator($this); } return $this->iterator; } } gc_enable(); foreach (range(1, 250000) as $i) { $collection = new Collection([ 'foo', 'bar' ]); foreach ($collection as $item) { echo $item; } unset($collection); gc_collect_cycles(); }

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