Open Source Web Development with LAMP: Using Linux, Apache, MySQL, Perl, and PHP

12.4. A Couple of Quick Examples

We’ll start with two quick examples. Create a new directory for PHP work and cd into it:

$ mkdir /var/www/html/php 
$ chmod a+rx /var/www/html/php 
$ cd /var/www/html/php
					

Create a PHP file named hello.php: ^[4]

^[4] Remember the permissions, 644.

<html> 
<head> 
<title>Hello, world! with PHP</title> 
</head> 
<body bgcolor="#ffffff"> 
<? echo "hello, world!" ?> 
</body> 
</html> 

To view the result of this file, load either one of these URLs: http://localhost/php/hello.php or www.opensourcewebbook.com/php/hello.php. The result can be seen in Figure 12.1.

Figure 12.1. hello, world! with PHP

The PHP code is embedded in ...