/**
* Parse an iCal rule into a parsed RRULE array, along with EXDATE
* and RDATE arrays.
*/
public static function split_rrule($rrule)
{
$parts = self::split_multiline_entry($rrule);
$rrule = array();
$exceptions = array();
$additions = array();
$additions = array();
foreach ($parts as $part) {
if (strstr($part, 'RRULE')) {
$RRULE = str_replace('RRULE:', '', $part);
$rrule = (array) self::parse_rrule($RRULE);
} elseif (strstr($part, 'EXDATE')) {
$EXDATE = str_replace('EXDATE:', '', $part);
$exceptions = (array) DateiCalParse::parse_exceptions($EXDATE);
unset($exceptions['DATA']);
} elseif (strstr($part, 'RDATE')) {
$RDATE = str_replace('RDATE:', '', $part);
$additions = (array) DateiCalParse::parse_exceptions($RDATE);
unset($additions['DATA']);
}
}
return array($rrule, $exceptions, $additions);
}
