Re: [PHP] writing to a file
Don't even bother with that previous answer. You have what you want to write in a string, $new. Read the file and put that into another string, $previous. Then concatenate the strings with the "." operator: $previous=$new . $previous and write $previous to the file. -- PHP General Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED]
Re: [PHP] Silly sessions problem.
WRONG!! -- PHP General Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED]
Re: [PHP] I don't understand HTTP_SESSION_VARS
Hi, The php manual at: http://www.php.net/manual/en/ref.session.php says: "If track_vars is enabled and register_globals is disabled, only members of the global associative array $HTTP_SESSION_VARS can be registered as session variables. " so, did you try this: session_register($HTTP_SESSION_VARS["my_session_var"]; -- PHP General Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED]
Re: [PHP] Session Confusion
Hi, All the session functions check to see if you have a session running first before starting a session, to prevent you from starting two sessions by accident. If for some reason you want to start another session, you can do that by supplying your own session id to the function session_start() to start another session. However, you do not need to do that for your purposes. You can start the only session you need when they submit their form info, and to keep them from signing up twice, before you record the data use an if statement to check if there is a session(if ($PHPSESSID)). If there is already a session, do not record the data, and display a message: "You have already signed up, proceed to login." and redirect them to the login page. -- PHP General Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED]
Re: [PHP] Session Confusion
Hi,
Just to explain a point on my previous post:
If at the top of your page that processes the registration info, you
include:
session_start();
session_register("is_registered");
is_registered="yes";
and then use this test:
if($PHPSESSID)
{
warning, redirect to login
}
else
{
record info, redirect to login
}
Will the condition in the if statement be true? It seems like it should
because you started the session. But a session id is a cookie, and a cookie
is not available on the page it is set. So, the first time this script is
encountered, e.g. when they register for the first time, even though you
started the session, the if statement condition will be false, indicating
the first time someone is registering. Subsequently, if someone uses the
back button and then clicks submit to get to this page again, then the
cookie will be set, and the if statement will return true, causing the other
branch of the if statement to execute.
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Re: [PHP] I don't understand HTTP_SESSION_VARS
Hi,
That code causes php to crash. I have never had that happen before. Every
time I try to run that script, I am given an internal server warning.
""Johnson, Kirk"" <[EMAIL PROTECTED]> wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> Try as below. Note both the global and the session_register statements.
>
> > function set session()
> > {
> > global $my_session_var,$HTTP_SESSION_VARS;
> > session_start();
> > $my_session_var = "Blah blah";
> > session_register($HTTP_SESSION_VARS['my_session_var']);
> > }
>
> Kirk
>
>
> > -Original Message-
> > From: Michael Champagne [mailto:[EMAIL PROTECTED]]
> > Sent: Friday, March 23, 2001 1:32 PM
> > To: PHP General Mailing List
> > Subject: [PHP] I don't understand HTTP_SESSION_VARS
> >
> >
> > I'm still having problems with this. I was able to get
> > sessions and session
> > variables working ok with register_globals=on, but I had read
> > that it was
> > better not to keep register_globals on so I turned it off and
> > I'm trying to
> > figure out how this works now.
> >
> > I'm registering a variable in one function say like this:
> > function set session()
> > {
> > global $my_session_var;
> > session_start();
> > $my_session_var = "Blah blah";
> > session_register('my_session_var');
> > }
> >
> > Then I'm trying to read it in another function like this:
> > function read_session()
> > {
> > global $HTTP_SESSION_VARS;
> > session_start();
> > echo ($HTTP_SESSION_VARS[my_session_var]);
> > }
>
> > Michael Champagne, Software Engineer
>
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>
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Re: [PHP] I don't understand HTTP_SESSION_VARS
Also, you are registering a variable rather than a name. So, unless there is a quoted name for the variable value, I don't think that would work. For instance, $a="b" session_register($a); actually registers a variable called $b. I made that mistake in my post too. -- PHP General Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED]
Re: [PHP] I don't understand HTTP_SESSION_VARS
Hi, The default php setting is with track vars on, and register globals on I believe. I have never tried anything else. I turned globals off to see if I could help you with your problem. If you check the manual, they do not put much explanation into how to use sessions with globals off, though I have read that some webservers may have globals turned off. -- PHP General Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED]
Re: [PHP] I don't understand HTTP_SESSION_VARS
Hi, Go post your globals question at the php forum at www.devshed.com . You will usually get extremely quick responses to questions about php. -- PHP General Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED]
Re: [PHP] writing to a file
Hi, What was so difficult about implementing my last post? -- PHP General Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED]
[PHP] register_globals on or off?
Hi, Could someone explain what the following passage in php.ini means: You should do your best to write your scripts so that they do not require ; register_globals to be on; Using form variables as globals can easily lead ; to possible security problems, if the code is not very well thought of. If register_globals is off, does that mean you cannot access form variables by just referring to their name? And, if that is so, how do you pass information from forms to your action script? -- PHP General Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED]
[PHP] Dear Friends & Future Millionaire:
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