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Re: User login status? [message #174556 is a reply to message #174554]

Fri, 17 June 2011 20:06

Luuk
Messages: 329
Registered: September 2010

Karma:

Senior Member

On 17-06-2011 21:13, Bill B wrote:
> On 6/17/2011 2:53 PM, Luuk wrote:
>> On 17-06-2011 13:25, Co wrote:
>>> On 15 jun, 20:33, Luuk<L...@invalid.lan> wrote:
>>>> On 15-06-2011 00:57, Jerry Stuckle wrote:
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>
>>>> > On 6/14/2011 4:22 PM, Co wrote:
>>>> >> Hi All,
>>>>
>>>> >> I have this code that will change one field of the users record when
>>>> >> he logs in:
>>>>
>>>> >> mysql_query("UPDATE myMembers SET last_log_date=now(), logged='1'
>>>> >> WHERE id='$id' LIMIT 1");
>>>>
>>>> >> This way we can display all the users who are logged in on the main
>>>> >> page.
>>>> >> When the user logs of the record will be changed again:
>>>>
>>>> >> mysql_query("UPDATE myMembers SET logged='0' WHERE id='$id' LIMIT
>>>> >> 1");
>>>>
>>>> >> However what if the user just forgets to log off, then he is gone but
>>>> >> his status is still logged=1.
>>>> >> Is there a way to make sure the user status is changed even when he
>>>> >> forgets to log off?
>>>>
>>>> >> Marco
>>>>
>>>> > The web is stateless - there is no such concept as "logged in" or not.
>>>> > And there is no way to know if the user is still reading your page,
>>>> > has
>>>> > gone to coffee (or lunch), closed the browser or even shut off the
>>>> > computer. So there is no way to determine how many people are
>>>> > logged in
>>>> > or not - and sites which claim to do that are pretty much guessing.
>>>>
>>>> > The best you can do is create your own custom session handler which
>>>> > stores the data in a database instead of the file system. Then you
>>>> > can
>>>> > assume as long as the session is active, the user is logged in. When
>>>> > the session expires, the user is logged out. Still not real accurate,
>>>> > but the best you can do.
>>>>
>>>> > Just a warning - custom session handlers can be complex and pretty
>>>> > much
>>>> > beyond what you can do in a newsgroup.
>>>>
>>>> > Otherwise, Luuk's response is as good as any. And it will be about as
>>>> > accurate as anything. You need a cron job to handle the deletion
>>>> > of rows.
>>>>
>>>> You could also check if users are still logged on, just before
>>>> gathering
>>>> the list of logged on users...
>>>> (and when someone logs in)
>>>>
>>>> This way your database will not give the correct 'state' to you, but to
>>>> the web-users it will, because you put all the changes in there before
>>>> you show anything to the web-users...
>>>>
>>>> --
>>>> Luuk
>>>
>>> Luuk,
>>>
>>> I like the idea but I don't know exactly how to check if users are
>>> still logged in?
>>>
>>> Marco
>>
>> i meant to logg the user off when they have not clicked for a defined
>> number of minutes (after 10, or 15 minutes, or so....)
>
>
> Any thoughts on how this would work with an <object> that points to a
> remote swf? The person might be running the swf for some time without
> causing any activity on the page that contains the <object>.
>
> Bill B
>
>

swf has nothing to do with PHP.... ;)

I'm not into swf-stuff.....

--
Luuk

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[Message index]

		User login status? By: Co on Tue, 14 June 2011 20:22
		Re: User login status? By: Luuk on Tue, 14 June 2011 20:57
		Re: User login status? By: Luuk on Tue, 14 June 2011 21:00
		Re: User login status? By: Co on Tue, 14 June 2011 21:09
		Re: User login status? By: Jerry Stuckle on Tue, 14 June 2011 22:57
		Re: User login status? By: Co on Wed, 15 June 2011 05:02
		Re: User login status? By: Jerry Stuckle on Wed, 15 June 2011 10:02
		Re: User login status? By: Luuk on Wed, 15 June 2011 18:33
		Re: User login status? By: Co on Fri, 17 June 2011 11:25
		Re: User login status? By: Luuk on Fri, 17 June 2011 18:53
		Re: User login status? By: me on Fri, 17 June 2011 19:13
		Re: User login status? By: Luuk on Fri, 17 June 2011 20:06
		Re: User login status? By: me on Fri, 17 June 2011 20:39
		Re: User login status? By: Jerry Stuckle on Fri, 17 June 2011 20:47
		Re: User login status? By: me on Fri, 17 June 2011 21:07
		Re: User login status? By: Tim Streater on Fri, 17 June 2011 21:47
		Re: User login status? By: Jerry Stuckle on Sat, 18 June 2011 00:25
		Re: User login status? By: me on Sat, 18 June 2011 04:15
		Re: User login status? By: Luuk on Sat, 18 June 2011 11:37
		Re: User login status? By: me on Sat, 18 June 2011 15:46

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