/**
* Build tree-like array for the category
* Categories that have children cannot be selected
* @static
* @param Category $elem the category for which builds array
* @return string[]
*/
private static function GetChildrenForTreeArrayLeafCannotSelected($elem)
{
$res = array();
$roots = $elem->children()->findAll();
foreach ($roots as $root) {
if ($root->isLeaf()) {
$res[$root->id] = $root->name;
} else {
$res[$root->name] = Category::GetChildrenForTreeArrayLeafCannotSelected($root);
}
}
return $res;
}
