Adding data to a session

[eluser]WanWizard[/eluser]
Check the manual, the parameters of the set_userdata() method are described in there.

The limit depends on what you use for storage. Session variables are stored as a serialized array. If you use cookies, the max. size is 4Kb. For database storage, it depends on the definition of the 'session_data' field (in MySQL, a 'text' field can hold 2^16 bytes). For Native sessions, it depends on the amount of disk space you have available...