Your IP : 18.119.112.17
<?php
namespace Bitrix\Main\Engine\Response\DataType;
use Bitrix\Main\Type\Contract\Arrayable;
final class Page implements Arrayable, \IteratorAggregate, \ArrayAccess, \JsonSerializable
{
/** @var string */
private $id;
/** @var array */
private $items = [];
/** @var int|\Closure */
private $totalCount;
private $calculatedTotalCount;
/**
* @param string $id Id of collection.
* @param array|\Traversable $items
* @param int|\Closure $totalCount The parameter can be Closure to prevent unnecessary actions for calculation.
*/
public function __construct($id, $items, $totalCount)
{
$data = [];
if (!is_array($items) && $items instanceof \Traversable)
{
foreach ($items as $item)
{
$data[] = $item;
}
}
else
{
$data = $items;
}
$this->id = $id;
$this->items = $data;
$this->totalCount = $totalCount;
}
/**
* @return int
*/
public function getTotalCount()
{
if ($this->totalCount instanceof \Closure)
{
$this->calculatedTotalCount = call_user_func($this->totalCount);
}
else
{
$this->calculatedTotalCount = $this->totalCount;
}
return $this->calculatedTotalCount;
}
/**
* @return string
*/
public function getId()
{
return $this->id;
}
/**
* @return array
*/
public function getItems()
{
return $this->items;
}
/**
* Retrieve an external iterator
* @link http://php.net/manual/en/iteratoraggregate.getiterator.php
* @return \Traversable An instance of an object implementing <b>Iterator</b> or
* <b>Traversable</b>
* @since 5.0.0
*/
public function getIterator()
{
return new \ArrayIterator($this->items);
}
/**
* Whether a offset exists
* @link http://php.net/manual/en/arrayaccess.offsetexists.php
*
* @param mixed $offset <p>
* An offset to check for.
* </p>
*
* @return boolean true on success or false on failure.
* </p>
* <p>
* The return value will be casted to boolean if non-boolean was returned.
* @since 5.0.0
*/
public function offsetExists($offset)
{
return isset($this->items[$offset]) || array_key_exists($offset, $this->items);
}
/**
* Offset to retrieve
* @link http://php.net/manual/en/arrayaccess.offsetget.php
*
* @param mixed $offset <p>
* The offset to retrieve.
* </p>
*
* @return mixed Can return all value types.
* @since 5.0.0
*/
public function offsetGet($offset)
{
if (isset($this->items[$offset]) || array_key_exists($offset, $this->items))
{
return $this->items[$offset];
}
return null;
}
/**
* Offset to set
* @link http://php.net/manual/en/arrayaccess.offsetset.php
*
* @param mixed $offset <p>
* The offset to assign the value to.
* </p>
* @param mixed $value <p>
* The value to set.
* </p>
*
* @return void
* @since 5.0.0
*/
public function offsetSet($offset, $value)
{
if($offset === null)
{
$this->items[] = $value;
}
else
{
$this->items[$offset] = $value;
}
}
/**
* Offset to unset
* @link http://php.net/manual/en/arrayaccess.offsetunset.php
*
* @param mixed $offset <p>
* The offset to unset.
* </p>
*
* @return void
* @since 5.0.0
*/
public function offsetUnset($offset)
{
unset($this->items[$offset]);
}
/**
* Specify data which should be serialized to JSON
* @link http://php.net/manual/en/jsonserializable.jsonserialize.php
* @return mixed data which can be serialized by <b>json_encode</b>,
* which is a value of any type other than a resource.
* @since 5.4.0
*/
public function jsonSerialize()
{
return $this->toArray();
}
public function toArray()
{
return [
$this->id => $this->items
];
}
}