Properly check for mbstring extension
Properly check for mbstring extension

mb_detect_encoding is in the fallback we ship in the polyfill library, mb_strcut is not. Thus this lead to a false positive and ownCloud would just break.

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