Online PHP editor | refs for foEJX

<?php trait GenericList { public function __call($func, $argv) { echo "__call called \n"; if (!is_callable($func) || substr($func, 0, 6) !== 'array_') { throw new \BadMethodCallException(__CLASS__.'->'.$func); } return call_user_func_array($func, array_merge(array($this->getArrayCopy()), $argv)); } final public function offsetUnset($offset) { parent::offsetUnset($offset); } final public function sort($preserveKeys = false) { if($preserveKeys) parent::ksort(); else parent::exchangeArray (\Arr::reindex(parent::getArrayCopy ())); } final public function clear(){ parent::exchangeArray([]); } } final class LineItemList extends \ArrayObject { use GenericList; public function offsetSet($offset, $value) { if (!($value instanceof LineItemBase)) { throw new \InvalidArgumentException("Value has to be a instance of LineItemBase"); } parent::offsetSet($offset, $value); } } class LineItemBase{ public $blah; public function __construct(string $blah){ $this->blah = $blah; } } $list = new LineItemList(); $list []= new LineItemBase('SDSdSD'); echo $list [0]->blah; $list->array_search('adf');