protected function getAttributesForAlias(array $attributes, $alias)
{
$toSelect = [];
foreach ($attributes as $attribute) {
list($attrAlias, $attrSelect) = LdapUtilities::getAliasAndAttribute($attribute);
if (!$attrAlias || $attrAlias == $alias) {
$toSelect[] = $attrSelect;
}
}
return $toSelect;
}