Re: SessionHandlerInterface protocol

On 23.06.2021 at 13:41, Mathieu Dubois wrote:

> Le 23/06/2021 à 12:01, Christoph M. Becker a écrit :
>
>> Before ::read() is called, open() is called.  ::open() is suppossed to
>> create the empty session data, if no data for the given session exist.
>> This empty data string should then be returned from ::read().  If
>> ::read() fails to read the data, it should return false (or actually any
>> non-string value in the current implementation) to signal failure.
>
> I might be confused but the session id is not passed to ::open() so how
> is it supposed to create the empty session data ? By using session_id ?

Ah, right, ::open() is not supposed to create the empty session data.
This can be done in ::read(); the built-in "files" handler does this,
for instance; if the file does not exist and can't be created, ::read()
fails.

Christoph