On Fri, May 4, 2007 2:26 am, n.quirin@xxxxxxx wrote:
> i'm using in each script:
>
> <?
> session_set_save_handler(...); //register my custom function to store
> session
> //into a mysql database
>
> session_start(); //session.auto_start is set to 0 in php.ini
> register_shutdown("session_write_close");
>
> $object = unserialize($_SESSION['objectname']);
> //modify the object
> //....
> $_SESSION['objectname'] = serialize($object);
> ?>
>
> When are exactly called the write and read function of my custom
> handler?
> Is it at the session_start that read function is called?
Probably.
> or is it at $object = unserialize($_SESSION['objectname'])?
Possibly.
Use http://php.net/error_log with a timestamp and find out...
> Is write function called at session_write_close only?
Almost for sure.
> or any time $_SESSION[] is writted?
That would be HORRIBLE performance, so probably NOT.
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