/**
* **Directly set a key:value pair.**
*
* @param $key
* @param $value
*
* @return void
*/
public function set($key, $value)
{
# attempt writing the value to the key
if (is_string($key)) {
list($key, $value) = Lib::expand_segments($key, $value);
$this->search_and_replace([$key => $value]);
}
}
