open
read
doRead: 

Parse error: syntax error, unexpected '?' in /var/www/sustainablewm/vendor/symfony/http-foundation/Session/SessionUtils.php on line 28

write
destroy

Parse error: syntax error, unexpected '?' in /var/www/sustainablewm/vendor/symfony/http-foundation/Session/SessionUtils.php on line 28

Fatal error: Exception thrown without a stack frame in Unknown on line 0