vendor/omnipay/common/src/Common/ItemBag.php

<?php
namespace Omnipay\Common;
 
class ItemBag implements \IteratorAggregate, \Countable
{
    protected $items;
 
    public function __construct(array $items = array())
    {
        $this->replace($items);
    }
 
    public function all()
    {
        return $this->items;
    }
 
    public function replace(array $items = array())
    {
        $this->items = array();
 
        foreach ($items as $item) {
            $this->add($item);
        }
    }
 
    public function add($item)
    {
        if ($item instanceof ItemInterface) {
            $this->items[] = $item;
        } else {
            $this->items[] = new Item($item);
        }
    }
 
    public function getIterator()
    {
        return new \ArrayIterator($this->items);
    }
 
    public function count()
    {
        return count($this->items);
    }
}