/**
* Checks if entry is vcalendar 1.0, vcard 2.1 or vnote 1.1.
*
* These 'old' formats are defined by www.imc.org. The 'new' (non-old)
* formats icalendar 2.0 and vcard 3.0 are defined in rfc2426 and rfc2445
* respectively.
*
* @since Horde 3.1.2
*/
function isOldFormat()
{
if ($this->_container !== false) {
return $this->_container->isOldFormat();
}
if ($this->getType() == 'vcard') {
return $this->_version < 3 ? true : false;
}
if ($this->getType() == 'vNote') {
return $this->_version < 2 ? true : false;
}
if ($this->_version >= 2) {
return false;
}
return true;
}
