problem with predefined variables - Mailing list pgsql-php

From SG Edwards
Subject problem with predefined variables
Date
Msg-id 1112713795.4252aa4384e8c@sms.ed.ac.uk
Whole thread Raw
Responses Re: problem with predefined variables
List pgsql-php

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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