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For 2023 (and 2024 ...) - we are now fully retired from IT training.
We have made many, many friends over 25 years of teaching about Python, Tcl, Perl, PHP, Lua, Java, C and C++ - and MySQL, Linux and Solaris/SunOS too. Our training notes are now very much out of date, but due to upward compatability most of our examples remain operational and even relevant ad you are welcome to make us if them "as seen" and at your own risk.

Lisa and I (Graham) now live in what was our training centre in Melksham - happy to meet with former delegates here - but do check ahead before coming round. We are far from inactive - rather, enjoying the times that we are retired but still healthy enough in mind and body to be active!

I am also active in many other area and still look after a lot of web sites - you can find an index ((here))
DIRNAME (php 4.3.0)

Posted by Garrie (Garrie), 6 February 2003
I have just installed PHP 4.3.0 and a script that was working under 4.2.3 no longer works.

The original code was this
Code:
       $location ="http://"
                 .$_SERVER['HTTP_HOST']
                 .dirname($_SERVER['PHP_SELF'])
                 .'/cms.php';
       header('Location: '.$location);

which resulted in $location containing
http://127.0.0.1.cms.php
and the message
No input file specified. being displayed.
($location should contain http://127.0.0.1/cms/cms.php).

I changed the code to
Code:
       $location ="http://"
                 .$_SERVER['HTTP_HOST']
                 .'/'.dirname($_SERVER['PHP_SELF'])
                 .'/cms.php';
       header('Location: '.$location);

so $location now contains http://127.0.0.1/./cms.php, but the HEADER command still returns the same message.

Can anyone explain what's going wrong?

I am running PHP on Windows 2000 with BadBlue 2.1 (http://www.badblue.com) as a local webserver.

Posted by admin (Graham Ellis), 6 February 2003
Educated guess - you should use SCRIPT_NAME rather than
PHP_SELF for the name of the script.  Would need to check through all the docs, but PHP_SELF has always stuck me as a strange variable ....

Posted by Garrie (Garrie), 6 February 2003
I tried SCRIPT_NAME - same result
I have reverted to 4.2.3 for the moment.
- Garrie

Posted by admin (Graham Ellis), 8 February 2003
Always looking to be at the (b)leeding edge, I have just installed Apache 2, and PHP 4.3.0 onto one of our systems running XP Pro with the recommended service pack also installed ....

dirname and PHP_SELF look fine:

Code:
<body>
<h1>Test for Garrie</h1>
The PHP_SELF is
<?php print ($_SERVER{'PHP_SELF'}); ?>
<br> and its dirname is
<?php print (dirname($_SERVER{'PHP_SELF'})); ?>
</body>


gave me

Quote:
Test for Garrie
The PHP_SELF is /trainee/garrie.php4
and its dirname is /trainee


Hmmm ... afraid your problem looks like it's the server or O/S or some sort of combination.

The following is a test program I use to look at all environment variables, for variables, etc, on a system; looked OK on my new combination, but you might like to try it and look for any funnies if you still have 4.3.0 around

Code:
<head><title>My Environment Reported</title></head>
<body bgcolor=white>

<?php
reporton($_ENV,"Your Environment");
reporton($_POST,"Your POST data");
reporton($_GET,"Your GET data");
reporton($_COOKIE,"Your Cookie information");
reporton($_SERVER,"Your Server information");
?>

<br><table width=90%><tr><td width=50%><center>

First form - using POST<br><table border=1><form method=post>
<tr><td>name</td><td><input name=who></td></tr>
<tr><td>code</td><td><input name=pass type=password></td></tr>
<tr><td>radio</td><td><input type=radio name=gender value=M> Male<br>
<input type=radio name=gender value=F> Female</td></tr>
<input type=hidden name=hide value=hugesecret>
<tr><td> </td><td><input type=submit></td></tr></form></table>

</center></td><td><center>

Second form - using GET<br><table border=1><form>
<tr><td>name</td><td><input name=person></td></tr>
<tr><td>radio</td><td><input type=radio name=gender value=M> Male<br>
<input type=radio name=gender value=F> Female</td></tr>
<input type=hidden name=hide value=canbeseen>
<tr><td> </td><td><input type=submit></td></tr></form></table>

</center></td></tr></table><br>

<?php
reportall($_ENV,"Your Environment");
reportall($_POST,"Your POST data");
reportall($_GET,"Your GET data");
reportall($_COOKIE,"Your Cookie information");
reportall($_SERVER,"Your Server information");
?>
</body>

<?php
function reporton($array,$describe) {
     print ("$describe contains ".count($array)." values <br>");
     }
function reportall($array,$describe) {
     if (count($array) > 0) {
           print ("$describe contains ".count($array)." values <br>");
           print ("<table border=1>");
           array_walk($array,"tabline");
           print ("</table><br>");
           }
     }
function tabline($value, $key) {
     print ("<tr><td>");
     print (htmlspecialchars($key));
     print ("</td><td>");
     print (htmlspecialchars($value));
     print ("</td></tr>");
     }
?>




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