Horde_Alarm::_exists PHP Method

Returns whether an alarm with the given id exists already.

abstract protected _exists ( string $id, string $user, string $instanceid = null ) : boolean
$id	string	The alarm's unique id.
$user	string	The alarm's user
$instanceid	string	An optional instanceid to match.
return	boolean	True if the specified alarm exists.

    protected abstract function _exists($id, $user, $instanceid = null);

Horde_Alarm