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<?php
namespace Bitrix\Main\Type;
class Dictionary
implements \ArrayAccess, \Iterator, \Countable
{
/**
* @var array
*/
protected $values = array();
/**
* Creates object.
*
* @param array $values
*/
public function __construct(array $values = null)
{
if($values !== null)
{
$this->values = $values;
}
}
/**
* Returns any variable by its name. Null if variable is not set.
*
* @param string $name
* @return string | array | null
*/
public function get($name)
{
// this condition a bit faster
// it is possible to omit array_key_exists here, but for uniformity...
if (isset($this->values[$name]) || array_key_exists($name, $this->values))
{
return $this->values[$name];
}
return null;
}
public function set($name, $value = null)
{
if (is_array($name))
{
$this->values = $name;
}
else
{
$this->values[$name] = $value;
}
}
/**
* @return array
*/
public function getValues()
{
return $this->values;
}
/**
* @param $values
*/
public function setValues($values)
{
$this->values = $values;
}
public function clear()
{
$this->values = array();
}
/**
* Return the current element
*/
public function current()
{
return current($this->values);
}
/**
* Move forward to next element
*/
public function next()
{
return next($this->values);
}
/**
* Return the key of the current element
*/
public function key()
{
return key($this->values);
}
/**
* Checks if current position is valid
*/
public function valid()
{
return ($this->key() !== null);
}
/**
* Rewind the Iterator to the first element
*/
public function rewind()
{
return reset($this->values);
}
/**
* Whether a offset exists
*/
public function offsetExists($offset)
{
return isset($this->values[$offset]) || array_key_exists($offset, $this->values);
}
/**
* Offset to retrieve
*/
public function offsetGet($offset)
{
if (isset($this->values[$offset]) || array_key_exists($offset, $this->values))
{
return $this->values[$offset];
}
return null;
}
/**
* Offset to set
*/
public function offsetSet($offset, $value)
{
if($offset === null)
{
$this->values[] = $value;
}
else
{
$this->values[$offset] = $value;
}
}
/**
* Offset to unset
*/
public function offsetUnset($offset)
{
unset($this->values[$offset]);
}
/**
* Count elements of an object
*/
public function count()
{
return count($this->values);
}
/**
* Returns the values as an array.
*
* @return array
*/
public function toArray()
{
return $this->values;
}
/**
* Returns true if the dictionary is empty.
* @return bool
*/
public function isEmpty()
{
return empty($this->values);
}
}