/**
* Set value by key
*
* @param int|string $key
* @param mixed $value
*
* @throws \InvalidArgumentException
* @return $this
*/
public function set($key, $value = null)
{
$this->check();
if (!Arrays::isArray($key)) {
$key = array($key => $value);
}
foreach ($key as $k => $v) {
Arrays::setPath($this->data, $k, $v);
}
$this->encode();
return $this;
}
