sabre/vobject (packagist): The VObject library for PHP allows you to easily parse and manipulate iCalendar and vCard objects
Keywords: iCalendar|vCard|ics|ical|recurrence|jCard|jCal|availability|rfc6350|rfc5545|vcf|xCard|xCal|freebusy|rfc2425|rfc2426|rfc2739|rfc4770|rfc5546|rfc6321|rfc6351|rfc6474|rfc6638|rfc6715|rfc6868|vCalendar