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Home > Archive > PHP with PostgreSQL > April 2005 > problem with predefined variables
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problem with predefined variables
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| SG Edwards 2005-04-05, 8:06 pm |
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Hi,
I am just learning PHP and have a very simple script to access data in a
predefined variable as follows:
<body>
<?php
echo "you are running the file <b>$PHP_SELF</b>.<br /><br />\n";
echo 'you are viewing this page usinig: <br /><b>', $HTTP_USER_AGENT, '</b><br
/>from the IP address ', $REMOTE_ADDR;
?>
</body>
However, the assignment does not happen, giving the command line error (PHP
Notice: Undefined variable: PHP_SELF in /home/s0460205/public_html/test.php
on line 10
you are running the file <b></b>.<br /><br />
you are viewing this page usinig: <br /><b>PHP Notice: Undefined variable:
HTTP_USER_AGENT in /home/s0460205/public_html/test.php on line 11
</b><br />from the IP address PHP Notice: Undefined variable: REMOTE_ADDR in
/home/s0460205/public_html/test.php on line 11)
- why would this occur?
Many thanks
(I am running PHP/4.3.10)
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| Christopher Kings-Lynne 2005-04-05, 8:06 pm |
| > However, the assignment does not happen, giving the command line error (PHP
> Notice: Undefined variable: PHP_SELF in /home/s0460205/public_html/test.php
> on line 10
> you are running the file <b></b>.<br /><br />
> you are viewing this page usinig: <br /><b>PHP Notice: Undefined variable:
> HTTP_USER_AGENT in /home/s0460205/public_html/test.php on line 11
> </b><br />from the IP address PHP Notice: Undefined variable: REMOTE_ADDR in
> /home/s0460205/public_html/test.php on line 11)
>
> - why would this occur?
You have register_globals = off in your php.ini.
Try $_SERVER['PHP_SELF']
and $_SERVER['HTTP_USER_
AGENT'] and
$_SERVER['REMOTE_ADD
R']
And read about superglobals and register_globals in the PHP docs.
Chris
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