hi,
Is it possible to get the previous url. For example, if I am on page -
page01.php - and I then click to - page02.php - from page02.php, can I
use script to determine that I have come from page01.php? It doesnt
have to be the entire url, even just the file name. Cheers
Burnsy 5 26774
mr_burns wrote: Is it possible to get the previous url. For example, if I am on page - page01.php - and I then click to - page02.php - from page02.php, can I use script to determine that I have come from page01.php? It doesnt have to be the entire url, even just the file name. Cheers
The only reliable way you can get it is to pass it as a parameter to the
page eg your link would be page02.php?refe rer=page01.php, or use some
form of non-cookie sessions (which also require a parameter to be
passed in the url eg page02.php?sess id=123) and track it in a database.
You can use $_SERVER['referer_url'] but this is not always set; some
users have browser preferences or other software which prevents the
referal informtion being passed to the server for privacy/security
reasons.
--
Chris Hope - The Electric Toolbox - http://www.electrictoolbox.com/
mr_burns wrote: Is it possible to get the previous url. For example, if I am on page - page01.php - and I then click to - page02.php - from page02.php, can I use script to determine that I have come from page01.php?
You use $_SERVER["HTTP_REFER ER"] ... however it must be noted that as
with *anything* that comes from client, this is unreliable
information; user can set it to whatever with the right tools. You
also can not rely that this information exists at all. Most of the
time it does, but if your system hangs up just because this info isn't
available, you're just putting yourself into a lot of trouble.
--
Markku Uttula
Hi,
Yeh, $_SERVER["HTTP_REFER ER"] didnt return anything. I have tried
using instead, $_SERVER["PHP_SELF"], and that does the trick.
Is there anything I should be aware of when using $_SERVER["PHP_SELF"]?
Its really just for a simply 'send page to a friend'. If somebody was
to mess up the from address, it wouldnt do them any favours.
Burnsy bi******@yahoo. co.uk wrote: Yeh, $_SERVER["HTTP_REFER ER"] didnt return anything. I have tried using instead, $_SERVER["PHP_SELF"], and that does the trick.
Umm... PHP_SELF is the *current* page ... I understood you wanted to
know the page from which the user came to the current page.
--
Markku Uttula
mr_burns wrote: Is it possible to get the previous url. For example, if I am on page
- page01.php - and I then click to - page02.php - from page02.php, can
I use script to determine that I have come from page01.php? It doesnt have to be the entire url, even just the file name. Cheers
Add this line in the beginning of every script or possibly using a
global-common include file say config.php
output_add_rewr ite_var('refere r',
htmlspecialchar s($_SERVER['PHP_SELF']));
--
<?php echo 'Just another PHP saint'; ?>
Email: rrjanbiah-at-Y!com Blog: http://rajeshanbiah.blogspot.com/ This thread has been closed and replies have been disabled. Please start a new discussion. Similar topics |
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