public static function from_array($point_set_sets, $srid = null, $with_z = false, $with_m = false)
{
$mp = new self($srid, $with_z, $with_m);
foreach ($point_set_sets as $point_set) {
$mp->geometries[] = Polygon::from_array($point_set, $srid, $with_z, $with_m);
}
return $mp;
}
