deleting session variables

[Tim Winters]

Is there a way to wipe out all previous session variables with one
command?

Thx

Tim Winters
Creative Development Manager
Sampling Technologies Incorporated

1600 Bedford Highway, Suite 212
Bedford, Nova Scotia
B4A 1E8
[url]www.samplingtechnologies.com[/url]
[email]webmaster@samplingtechnologies.com[/email]
[email]csnm@samplingtechnologies.com[/email]
Office: 902 450 5500
Cell: 902 430 8498
Fax:: 902 484 7115

[Cpt John W. Holmes]

From: "Tim Winters" <csnm@samplingtechnologies.com>

> Is there a way to wipe out all previous session variables with one
> command?

With register_globals OFF:

$_SESSION = array();

If register_globals is ON and you want to get rid of $val1, $val2, $val3,
etc... then:

foreach($_SESSION as $key => $value)
{ unset($$key); }

---John Holmes...

[Tim Winters]

Thanks,

So what does session_unset() do then?

Tim Winters
Creative Development Manager
Sampling Technologies Incorporated

1600 Bedford Highway, Suite 212
Bedford, Nova Scotia
B4A 1E8
[url]www.samplingtechnologies.com[/url]
[email]webmaster@samplingtechnologies.com[/email]
[email]csnm@samplingtechnologies.com[/email]
Office: 902 450 5500
Cell: 902 430 8498
Fax:: 902 484 7115


-----Original Message-----
From: CPT John W. Holmes [mailto:holmes072000@charter.net]
Sent: August 19, 2003 5:11 PM
To: [email]csnm@samplingtechnologies.com[/email]; [email]php-general@lists.php.net[/email]
Subject: Re: [PHP] deleting session variables

From: "Tim Winters" <csnm@samplingtechnologies.com>

> Is there a way to wipe out all previous session variables with one
> command?

With register_globals OFF:

$_SESSION = array();

If register_globals is ON and you want to get rid of $val1, $val2,
$val3,
etc... then:

foreach($_SESSION as $key => $value)
{ unset($$key); }

---John Holmes...

[Curt Zirzow]

* Thus wrote Tim Winters (csnm@samplingtechnologies.com):

> Thanks,
>
> So what does session_unset() do then?

John overlooked that function, and instead looped through the
variables in php instead. This would be used if you have
register_globals on and choose to use sessions insecurely.

>
> -----Original Message-----
> From: CPT John W. Holmes [mailto:holmes072000@charter.net]
> Sent: August 19, 2003 5:11 PM
> To: [email]csnm@samplingtechnologies.com[/email]; [email]php-general@lists.php.net[/email]
> Subject: Re: [PHP] deleting session variables
>
>
> If register_globals is ON and you want to get rid of $val1, $val2,
> $val3,
> etc... then:
>
> foreach($_SESSION as $key => $value)
> { unset($$key); }
>

Curt
--
"I used to think I was indecisive, but now I'm not so sure."

[Cpt John W. Holmes]

From: "Tim Winters" <csnm@samplingtechnologies.com>

> So what does session_unset() do then?

Ah, good catch. Use that instead of my second example. If register_globals
is ON, it appears that session_unset() will take care of getting rid of the
global variables made.

---John Holmes...

> From: CPT John W. Holmes [mailto:holmes072000@charter.net]
> Sent: August 19, 2003 5:11 PM
> To: [email]csnm@samplingtechnologies.com[/email]; [email]php-general@lists.php.net[/email]
> Subject: Re: [PHP] deleting session variables
>
> From: "Tim Winters" <csnm@samplingtechnologies.com>

> > Is there a way to wipe out all previous session variables with one
> > command?

>
> With register_globals OFF:
>
> $_SESSION = array();
>
> If register_globals is ON and you want to get rid of $val1, $val2,
> $val3,
> etc... then:
>
> foreach($_SESSION as $key => $value)
> { unset($$key); }
>
> ---John Holmes...
>
>
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