| public static getChildTerritoryCodes ( string $parentTerritoryCode, boolean $expandSubGroups = false ) : array | ||
| $parentTerritoryCode | string | |
| $expandSubGroups | boolean | Set to true to expand the sub-groups, false to retrieve them. |
| Результат | array | Return the list of territory codes that are children of $parentTerritoryCode (if $parentTerritoryCode is invalid you'll get an empty list) |
public static function getChildTerritoryCodes($parentTerritoryCode, $expandSubGroups = false)
{
$result = array();
if (is_string($parentTerritoryCode) && preg_match('/^[a-z0-9]{2,3}$/i', $parentTerritoryCode)) {
$parentTerritoryCode = strtoupper($parentTerritoryCode);
$data = Data::getGeneric('territoryContainment');
if (isset($data[$parentTerritoryCode])) {
$children = $data[$parentTerritoryCode]['contains'];
if ($expandSubGroups) {
foreach ($children as $child) {
$grandChildren = static::getChildTerritoryCodes($child, true);
if (empty($grandChildren)) {
$result[] = $child;
} else {
$result = array_merge($result, $grandChildren);
}
}
} else {
$result = $children;
}
}
}
return $result;
}