I tried your session code, but I am prompted a header error:
Warning: Cannot modify header information - headers already sent by (output started at /nfs/c06/h05/mnt/153609/domains/domainname/html/project/index.php:8) in /nfs/c06/h05/mnt/153609/domains/domainname/html/WA_SecurityAssist/Helper_PHP.php on line 67
Did you mean to "attach the file" as a php require? Thats what I did before the security assist code blocks in the header.
Attached is my code.