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<?php
namespace Bitrix\Main\System;
class Dictionary
implements \ArrayAccess, \Iterator, \Countable
{
/**
* @var array
*/
protected $arValues = array();
/**
* Creates object.
*
* @param array $arValues
*/
public function __construct(array $arValues)
{
$this->arValues = $arValues;
}
/**
* Returns any variable by its name. Null if variable is not set.
*
* @param string $name
* @return string | null
*/
public function get($name)
{
if (array_key_exists($name, $this->arValues))
return $this->arValues[$name];
return null;
}
/**
* Return the current element
*/
public function current()
{
return current($this->arValues);
}
/**
* Move forward to next element
*/
public function next()
{
return next($this->arValues);
}
/**
* Return the key of the current element
*/
public function key()
{
return key($this->arValues);
}
/**
* Checks if current position is valid
*/
public function valid()
{
$key = $this->key();
return ($key != null);
}
/**
* Rewind the Iterator to the first element
*/
public function rewind()
{
return reset($this->arValues);
}
/**
* Whether a offset exists
*/
public function offsetExists($offset)
{
return array_key_exists($offset, $this->arValues);
}
/**
* Offset to retrieve
*/
public function offsetGet($offset)
{
if (array_key_exists($offset, $this->arValues))
return $this->arValues[$offset];
return false;
}
/**
* Offset to set
*/
public function offsetSet($offset, $value)
{
$this->arValues[$offset] = $value;
}
/**
* Offset to unset
*/
public function offsetUnset($offset)
{
unset($this->arValues[$offset]);
}
/**
* Count elements of an object
*/
public function count()
{
return count($this->arValues);
}
/**
* Returns values as an array
*
* @return array
*/
public function toArray()
{
return $this->arValues;
}
}