Functional vs procedural loops in PHP

gistfile1.txt

class someclass
{
    private $items;

    function filterItemsUsingForeach()
    {
        $criterion = 'somevalue';
        $items = array();
        foreach ($this->items as $item) {
            if (method_exists($item, 'someMethod') && $item->someMethod() == $criterion) {
                $items[] = $item;
            }
        }
        return $items;
    }

    function filterItemsUsingArrayFilter()
    {
        $criterion = 'somevalue';
        $items = array_filter(
            $this->items,
            function ($item) use ($criterion) {
                return method_exists($item, 'someMethod') && $item->someMethod() == $criterion;
            }
        );
        return array_values($items);
    }
}