Add some basic PHPDoc to functions
Add some basic PHPDoc to functions

whitekiba/server,nextcloud/server,xx621998xx/server,IljaN/core,andreas-p/nextcloud-server,pixelipo/server,michaelletzgus/nextcloud-server,sharidas/core,lrytz/core,andreas-p/nextcloud-server,michaelletzgus/nextcloud-server,endsguy/server,Ardinis/server,whitekiba/server,cernbox/core,bluelml/core,lrytz/core,xx621998xx/server,xx621998xx/server,pmattern/server,endsguy/server,lrytz/core,michaelletzgus/nextcloud-server,bluelml/core,whitekiba/server,pollopolea/core,Ardinis/server,lrytz/core,bluelml/core,endsguy/server,pmattern/server,pollopolea/core,jbicha/server,bluelml/core,sharidas/core,xx621998xx/server,Ardinis/server,owncloud/core,sharidas/core,whitekiba/server,jbicha/server,nextcloud/server,pollopolea/core,Ardinis/server,michaelletzgus/nextcloud-server,andreas-p/nextcloud-server,owncloud/core,Ardinis/server,pixelipo/server,sharidas/core,nextcloud/server,owncloud/core,pixelipo/server,pixelipo/server,cernbox/core,andreas-p/nextcloud-server,lrytz/core,phil-davis/core,endsguy/server,cernbox/core,pmattern/server,jbicha/server,jbicha/server,pollopolea/core,pixelipo/server,jbicha/server,xx621998xx/server,pmattern/server,IljaN/core,whitekiba/server,pollopolea/core,IljaN/core,cernbox/core,owncloud/core,endsguy/server,IljaN/core,cernbox/core,sharidas/core,owncloud/core,IljaN/core,bluelml/core,pmattern/server,nextcloud/server,andreas-p/nextcloud-server