public static function classToArray($data, $primaryKey = null, string $dateFormat = 'datetime', bool $onlyChanged = true): array
	{
		if (method_exists($data, 'toRawArray'))
		{
			$properties = $data->toRawArray($onlyChanged);

			// Always grab the primary key otherwise updates will fail.
			if (! empty($properties) && ! empty($primaryKey) && ! in_array($primaryKey, $properties))
			{
				$properties[$primaryKey] = $data->{$primaryKey};
			}
		}
		else
		{
			$mirror = new ReflectionClass($data);
			$props  = $mirror->getProperties(ReflectionProperty::IS_PUBLIC | ReflectionProperty::IS_PROTECTED);

			$properties = [];

			// Loop over each property,
			// saving the name/value in a new array we can return.
			foreach ($props as $prop)
			{
				// Must make protected values accessible.
				$prop->setAccessible(true);
				$propName              = $prop->getName();
				$properties[$propName] = $prop->getValue($data);
			}
		}

		// Convert any Time instances to appropriate $dateFormat
		if ($properties)
		{
			foreach ($properties as $key => $value)
			{
				if ($value instanceof Time)
				{
					switch ($dateFormat)
					{
						case 'datetime':
							$converted = $value->format('Y-m-d H:i:s');
							break;
						case 'date':
							$converted = $value->format('Y-m-d');
							break;
						case 'int':
							$converted = $value->getTimestamp();
							break;
						default:
							$converted = (string)$value;
					}

					$properties[$key] = $converted;
				}
			}
		}

		return $properties;
	}