RE: [PHP] Are variables persistent?
[snip] When I refresh a script using a form, it goes through resets all my custom Constants but presumably all my variables should still hold their values from the last run, right? THere are no functions involved. What would cause a variable or even a $POST[] value to be erased? [/snip] Refreshing the script causes the variable arrays to be repopulated with empty or blank variables unless a session was used to hold the variables. Refreshing is essentially calling the script without passing any variables. -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] Are variables persistent?
Jay Blanchard wrote: What would cause a variable or even a $POST[] value to be erased? [/snip] Refreshing the script causes the variable arrays to be repopulated with empty or blank variables unless a session was used to hold the variables. Refreshing is essentially calling the script without passing any variables. Ah ha! whew So... $_REQUEST is the only way to go without getting into sessions? Hidden or other form methods will not work with out sessions, I guess. Damn, I wish I knew that four hours ago! : - ) I thought I didn't want to clutter the URL this time so I'd try that. Ha! -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] Are variables persistent?
Paul Furman wrote: So... $_REQUEST is the only way to go without getting into sessions? OK I see, it either goes in the url or a cookie. -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
RE: [PHP] Are variables persistent?
[snip] $_REQUEST is the only way to go without getting into sessions? [/snip] Nope, $_REQUEST (as its name implies) contains variables that are part of the request process. If you refresh the form the $_REQUEST array will essentially be empty for those vraibles that would be passed from form to process. -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] Are variables persistent?
Jay Blanchard wrote: [snip] $_REQUEST is the only way to go without getting into sessions? [/snip] Nope, $_REQUEST (as its name implies) contains variables that are part of the request process. If you refresh the form the $_REQUEST array will essentially be empty for those vraibles that would be passed from form to process. OK I'm confused. I want to set a variable with a form. How do I do that? I guess I need to put it in the url? I did a mail form that worked by putting stuff in the $POST and when it refreshed to the same mail page, I grabbed the stuff back out of that (at least that's what I thought I was doing. Maybe I just put the new value in the url with the action property of the form and forget about the $POST part. I guess I don't know how that worked for the mail script. -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] Are variables persistent?
Paul Furman wrote:
OK I'm confused. I want to set a variable with a form. How do I do that?
I guess I need to put it in the url? I did a mail form that worked by
putting stuff in the $POST and when it refreshed to the same mail page,
I grabbed the stuff back out of that (at least that's what I thought I
was doing.
Maybe I just put the new value in the url with the action property of
the form and forget about the $POST part. I guess I don't know how that
worked for the mail script.
I had the script below working to extract the results of $POST[thumbs].
Assuming I can get that going again, would I then redirect with header()
putting the new value in the url? The problem is I want it to stick to
the pictures page (not this settings page) every time I go to that page
so I'd have to tack it on to any page on my site and keep checking for
it everywhere to keep it. I'm guessing this is not a sensible approach.
Every place I construct a url, I'd have to remember to add this.
broken now but I can fix it again if it'll work
h1Change Settings/h1
center
div class=textbox
?php
if ($POST){
if (isset ($POST['thumbs'])){
$pics = $POST['thumbs'];
print settings-out:.$pics. ; #work(ed) after posting
print settings have been changed;
### redirect here to the picture page
### with $pics value in the url
### header() exit()
}
} ?
form name=mail action=?php SCREEN_DIR . /settings.php ?
method=post
label for=thumbsnumber of thumbnails per page: /label
input type=text name=thumbs id=thumbs size=2
value=?php print $pics ?
button type=submitOK/button
/form
/div
/center
--
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Re: [PHP] Are variables persistent?
snip I'm guessing this is not a sensible approach. Every place I construct a url, I'd have to remember to add this. /snip Have you looked into sessions and/or cookies? I think you want to use $_POST not $POST -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] Are variables persistent?
Matt Matijevich wrote: snip I'm guessing this is not a sensible approach. Every place I construct a url, I'd have to remember to add this. /snip Have you looked into sessions and/or cookies? I'm taking a class we are probably not going there for a while. It looks involved. I think you want to use $_POST not $POST Yep, thanks. I guess I can add the $_REQUEST in the template file so maybe it's not too compicated. -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
Re: [PHP] Are variables persistent?
Ugh, I think I'm done for the day. header() requires output buffering which would span several files and sounds like another mess. Paul Furman wrote: Matt Matijevich wrote: snip I'm guessing this is not a sensible approach. Every place I construct a url, I'd have to remember to add this. /snip Have you looked into sessions and/or cookies? I'm taking a class we are probably not going there for a while. It looks involved. I think you want to use $_POST not $POST Yep, thanks. I guess I can add the $_REQUEST in the template file so maybe it's not too compicated. -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
