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<?php
namespace Bitrix\Location\Entity\Generic;
/**
* Class Collection
* @package Bitrix\Location\Entity\Generic
* @internal
*/
class Collection
implements \ArrayAccess, \Countable, \Iterator
{
protected $items = [];
/**
* @param array $items
*/
public function __construct(array $items = [])
{
$this->setItems($items);
}
/**
* @param array $items
*/
public function setItems(array $items): void
{
foreach($items as $item)
{
$this->addItem($item);
}
}
/**
* @return array
*/
public function getItems(): array
{
return $this->items;
}
/**
* @param mixed $offset
* @param mixed $value
*/
public function offsetSet($offset, $value)
{
if ($offset === null)
{
$this->items[] = $value;
}
else
{
$this->items[$offset] = $value;
}
}
/**
* @param mixed $offset
* @return bool
*/
public function offsetExists($offset)
{
return isset($this->items[$offset]);
}
/**
* @param mixed $offset
*/
public function offsetUnset($offset)
{
unset($this->items[$offset]);
}
/**
* @param mixed $offset
* @return mixed|null
*/
public function offsetGet($offset)
{
return isset($this->items[$offset]) ? $this->items[$offset] : null;
}
/**
* @return int
*/
public function count()
{
return count($this->items);
}
public function rewind()
{
reset($this->items);
}
/**
* @return mixed
*/
public function current()
{
return current($this->items);
}
/**
* @return int
*/
public function key()
{
return key($this->items);
}
public function next()
{
next($this->items);
}
/**
* @return bool
*/
public function valid()
{
return $this->current() !== false && isset($this->items[$this->key()]);
}
public function clear()
{
$this->items = [];
}
/**
* @param mixed $item
* @return int
*/
public function addItem($item): int
{
$this->items[] = $item;
end($this->items);
return key($this->items);
}
}