Online PHP editor | output for 28eJN

<?php class MyModel { } class Collection implements \ArrayAccess, \Iterator { private $storage = array(); public function offsetExists($offset) { return isset($this->storage[$offset]); } public function offsetGet($offset) { return $this->storage[$offset]; } public function offsetSet($offset, $value) { if (null === $offset) { $this->storage[] = $value; } else { $this->storage[$offset] = $value; } } public function offsetUnset($offset) { unset ($this->storage[$offset]); } public function current() { return current($this->storage); } public function next() { return next($this->storage); } public function key() { return key($this->storage); } public function valid() { return key($this->storage) !== null; } public function rewind() { reset($this->storage); } public function count() { return count($this->storage); } } class MyCollectionModel { private $collection; public function __construct() { $this->collection = new Collection(); } public function addElement($element) { $this->collection[] = $element; } public function removeMyModels() { foreach ($this->collection as $index => $value) { if ($value instanceof MyModel) { unset ($this->collection[$index]); } } } } // Создем коллекцию $myCollection = new MyCollectionModel(); // Заполняем своими можельками for ($i = 0; $i < 10; $i++) { $myCollection->addElement(new MyModel()); } // Удаляем свои модельки $myCollection->removeMyModels(); // Сука, ебучая PHP!!! print_r($myCollection);<?php