sabre/dav - sabre/dav
▻http://sabre.io/dav
sabre/dav is the most popular WebDAV framework for PHP. Use it to create WebDAV, CalDAV and CardDAV servers.
sabre/dav supports a wide range of internet standards related to these protocols. The most relevant are:
WebDAV
CalDAV
CardDAV
vCard 2.1, 3.0, 4.0 and jCard
iCalendar 2.0 and jCal
current-user-principal
Extended MKCOL
WebDAV-sync
CardDAV directories
CalDAV delegation
CalDAV sharing