Dr. Mark Humphrys

School of Computing. Dublin City University.

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PHP


Server-side code.

Normally in public_html
Normally named like: file.php

File contains normal HTML, and PHP code mixed in, delimited as follows:

<html>
<body>

html code

<?php 
php code 
?>

more html code





Basics




Environment




Example PHP pages

  1. PHP demo

  2. Return a single environment variable:


Debugging




Reference



Search php.net: with Google.



ancientbrain.com      w2mind.org      humphrysfamilytree.com

On the Internet since 1987.

Wikipedia: Sometimes I link to Wikipedia. I have written something In defence of Wikipedia. It is often a useful starting point but you cannot trust it. Linking to it is like linking to a Google search. A starting point, not a destination. I automatically highlight in red all links to Wikipedia and Google search and other possibly-unreliable user-generated content.