multipolygon.php

См. документацию.

<?php
 
namespace Bitrix\Location\Geometry\Type;
 
class MultiPolygon extends Collection
{
    public function contains(BaseGeometry $geometry): bool
    {
        foreach ($this->components as $polygon)
        {
            if ($polygon->contains($geometry))
            {
                return true;
            }
        }
 
        return false;
    }
}