$ HTTPDUSER=`ps axo user,comm | grep -E '[a]pache|[h]ttpd|[_]www|[w]ww-data|[n]ginx' | grep -v root | head -1 | cut -d\ -f1`
# if this doesn't work, try adding `-n` option
$ sudo setfacl -R -m u:"$HTTPDUSER":rwX -m u:`whoami`:rwX var
$ sudo setfacl -dR -m u:"$HTTPDUSER":rwX -m u:`whoami`:rwX var