|This feature was removed completely in version 1.33.0.|
|Used to set PHP's session.save_handler.
|Introduced in version:||1.16.0 (r49370)|
|Deprecated in version:||1.27.0 (Gerrit change 267737; git #2257fe42)|
|Removed in version:||1.33.0 (Gerrit change 489405; git #a38fe6cd)|
|Allowed values:||(string) or
|Other settings: Alphabetical | By function|
This is used for setting PHP's session.save_handler. In practice, you will almost never need to change this ever. Other options might be 'user' or 'session_mysql'.
Setting to null skips setting this entirely (which might be useful if you're doing cross-application sessions, see bug 11381).