Limit::countLdapUsers

static function countLdapUsers(): int
{
	$result = 0;

	$res = UserTable::query()
		->addSelect(new ExpressionField('CNT', 'COUNT(1)'))
		->whereLike('EXTERNAL_AUTH_ID', 'LDAP#%')
		->exec();

	if($row = $res->fetch())
	{
		$result = (int)$row['CNT'];
	}

	return $result;
}