Context::jsonDecode

static function jsonDecode(string $json): Context
{
	$obj = new static();

	if ($json != '')
	{
		$data = json_decode($json, true);

		foreach ($obj as $property => $dummy)
		{
			if (isset($data[$property]))
			{
				$obj->{$property} = $data[$property];
			}
		}
	}

	return $obj;
}