Re: losing MySQL resource
| From: | Stan | Date: | Mon, 09 Nov 2009 21:11:11 +0000 |
| Subject: | Re: losing MySQL resource | ||
| References: | 1 2 3 4 5 | Groups: | php.db |
| Request: | Send a blank email to php-db+get-46636@lists.php.net to get a copy of this message | ||
I got as far as creating a class to be the wrapper ... instantiating an
object of that class ... saving the reference in a $_SESSION variable ...
but my object reference seems to be invalid upon the next request (in the
same session) from the client browser. What have I missed?
Thanks,
Stan
""Andy Shellam (Mailing Lists)"" <andy-lists@networkmail.eu> wrote in
message news:FD8200B0-E18A-4AFD-8FFC-F51080621BB4@networkmail.eu...
> Hi,
>
> I got around this by creating a database wrapper class which gets
> passed the credentials from the app's config file. An instance of the
> class is created and saved in the session, and every query to the
> database runs through the class's Query() wrapper method which checks
> if the connection is alive and valid - if it isn't, it reconnects it
> before running the query.
>
> Andy
>
> On 9 November2009, at 16:46, Stan wrote:
>
> > How do I make an Object persistant for the duration of a Session?
> > Thanks,
> > "Chris" <dmagick@gmail.com> wrote in message
> > news:4AB6B16C.
> > 8@gmail.com...
> >> Niel Archer wrote:
> >>>> I'm maintaining a session. I successfully connect to a database
> > ($DBConnect
> >>>> = mysql_connect()). I save the connection resource in a session
> > variable
> >>>> ($_SESSION['connection'] = $DBConnect) ... to use in subsequent
> > queries. It
> >>>> remains valid while the user is on the current page.
> >>>> print_r($_SESSION['connection']) yields 'Resource id #3',
> >>>> for
> >>>> instance.
> >>>>
> >>>> User browses to a new page ... in the same session.
> > $_SESSION['$DBConnect']
> >>>> no longer references a valid mysql resource.
> >>>> print_r($_SESSION['connection']) yields '0'.
> >>>>
> >>>> Other "ordinary" values saved in $_SESSION variables remain valid.
> >>>>
> >>>> Is there something special about a mysql resource?
> >>>
> >>> Not about the resource itself, no. PHP closes connections to a Db
> >>> when a
> >>> script ends, unless the connection is persistent, so while the
> >>> resource
> >>> IS saved, the connection to which it refers no longer exists.
> >>
> >> No resources (whether they are persistent or not) can be stored in
> >> the
> >> session.
> >>
> >> http://www.php.net/manual/en/intro.session.php
> >>
> >> The big pink box has more info.
> >>
> >> --
> >> Postgresql & php tutorials
> >> http://www.designmagick.com/
> >>
> >
> >
> >
> > --
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> >
> >
>