php.ini directive clarification

I'm writing an article for O'Reilly's PHP site regarding the php.ini. I was wondering if anyone here could provide some clarification on a few directives. I've looked at the manual and the php.ini file itself but these directives are either lightly documented or not at all. Once I've gotten information on the directives I'm willing to submit more detailed documentation for the manual if nobody has done so yet. Here are the directives in question: session.save_handler <-- I pretty much know what this does, I just need to know what options are available other than "file" session.use_cookies <- Have a general idea about these two but the description is a little vague session.name <-- session.auto_start session.serialize_handler session.gc_probability session.gc_maxlifetime session.referer_check session.entropy_length session.entropy_file session.cache_limiter session.cache_expire assert.active assert.warning assert.bail assert.callback assert.quiet_eval Thanks! -Darrell -- +------------------+-----------------------------+ | Darrell Brogdon | http://www.sourceforge.net | | Web Developer | http://darrell.brogdon.net | | SourceForge | http://www.valinux.com | +------------------+-----------------------------+