View array content in twig

The dump function dumps information about a template variable. It can be used as an alternative to var_dump or print_r from php. This is mostly useful to debug a template that does not behave as expected by introspecting its variables:


{{ dump(var_name) }}


Read entire article at: Twig -> Functions -> dump

Linux – chown directory for multiple users

Create a new group for users (run commands with root rights):


groupadd testgroup
gpasswd -a user1 testgroup
gpasswd -a user2 testgroup
gpasswd -a user3 testgroup
...


Make that group the group owner of the directory (with root rights):


chown -R user1:testgroup /your/directory


Make the group writeable (with root rights):


chmod -R g+w /your/directory