/**
* Returns the center coordinates of an array of Markers
*
* @param Marker[] $markers
*
* @return LatLng|null
* @throws \yii\base\InvalidParamException
*/
public static function getCenterOfMarkers($markers)
{
$coords = [];
foreach ($markers as $marker) {
if (!$marker instanceof Marker) {
throw new InvalidParamException('$markers must be an array of "' . self::className() . '" objects');
}
$coords[] = $marker->position;
}
return LatLng::getCenterOfCoordinates($coords);
}
