src/ICal/ICal.php
protected function isOutOfRange($calendarDate, $minTimestamp, $maxTimestamp)
    {
        $timestamp = strtotime(explode('T', $calendarDate)[0]);

        return $timestamp < $minTimestamp || $timestamp > $maxTimestamp;
    }
protected function isOutOfRange($calendarDate, $minTimestamp, $maxTimestamp)
    {
        $timestamp = strtotime(explode('T', $calendarDate)[0]);

        return $timestamp < $minTimestamp || $timestamp > $maxTimestamp;
    }
protected function isOutOfRange ( $ calendarDate , $ minTimestamp , $ maxTimestamp ) { $ timestamp = strtotime ( explode ( 'T' , $ calendarDate ) [ 0 ] ) ; return $ timestamp < $ minTimestamp || $ timestamp > $ maxTimestamp ; }
Determines whether a valid iCalendar date is within a given range

@param  string  $calendarDate
@param  integer $minTimestamp
@param  integer $maxTimestamp
@return boolean
Determines whether a valid iCalendar date is within a given range