<?php
namespace HeroQR\DataTypes;
use HeroQR\Contracts\DataTypes\AbstractDataType;
/**
* Validates geographic coordinates (latitude, longitude, optional altitude).
*
* Coordinates must be "latitude,longitude" or "latitude,longitude,altitude".
* Latitude: -90 to 90, Longitude: -180 to 180, Altitude: numeric if present.
*
* Example: "51.3890,12.3,24" or "51.3890,12.3"
*/
class LocationValidator extends AbstractDataType
{
public static function validate(string $data): bool
{
$coordinates = trim($data);
$parts = explode(',', $coordinates);
if (count($parts) < 2 || count($parts) > 3) {
return false;
}
foreach ($parts as $part) {
if (!is_numeric($part)) {
return false;
}
}
$latitude = (float)$parts[0];
$longitude = (float)$parts[1];
if ($latitude < -90 || $latitude > 90 || $longitude < -180 || $longitude > 180) {
return false;
}
if (isset($parts[2])) {
$altitude = (float)$parts[2];
if (!is_numeric($altitude)) {
return false;
}
}
return true;
}
}
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