DiscoMoose

To be able to use php code on a page with an extension other than .php, you need a server which supports .htaccess files.
To add an extension to be parsed for php, create or edit a file called .htaccess (with the dot first) containing the following line:
AddType application/x-httpd-php .html .moo .htm
This tells the server […]

The key difference between require() and include() is that if you require() a file that can't be loaded (eg if it isn't there) then it generates a fatal error which will halt the execution of the page completely, and no more output will be generated. On the other hand, if you include() a file that [...]

The problem: we have an array of items in PHP and we want to find out if a specific item is in the array. In code we can define the array as:

IE we have an array called $fruitBasket which contains 5 strings, each of which is the name of a fruit. We want to find [...]

This tutorial will show you how to rotate an image in your PHP scripts. You'll need to have the GD library installed to be able to use some of the functions we use in this guide, though this is included with most PHP installations so there's a chance you'll have it.
Image rotation in PHP is [...]

PHP provides three built-in functions which allow you to easily read the contents of a file on your webserver. This is useful when, for example, another program may write information to the file and you could access that information through your script.
In this example, we're going to use the following example 5 line file, saved [...]

To create random numbers in PHP, you can use the rand() function call, which takes either zero or, optionally, two parameters determining the minimum and maximum random numbers (inclusive) that you'd like. If you don't specify a maximum then it will default to a value, RAND_MAX, set in the PHP configuration. The function returns an [...]

The full URL to a page comes in three parts: The domain name, the path to the file then the filename, and the query string. For example, take the URL http://www.example.com/example/page.php?name=Bob. The three parts of this are:
1. The domain name: www.example.com2. The path to the page: /example/page.php3. The query string: name=Bob
So how do you find [...]

Do you want to know the IP address of a visitor? This can be useful for many reasons, such as tracking site usage or blocking access to specific people. Here's how you can find it using PHP.
In a PHP page, within the PHP tags, <?php ... ?>, you can retrieve the IP address of a [...]