0, in a Usenet CGI newsgroup. Those
tools have since evolved into a full-fledged scripting
language with a powerful engine, Zend, and a large
community of developers hacking the code. You can read
more about the history of PHP at http://php.net/history.
The PHP Home Page at http://www.php.net defines PHP as ???a widely used general-purpose
scripting language that is especially suited for Web development and can be embedded into
HTML. Much of its syntax is borrowed from C, Java, and Perl with a couple of unique PHPspecific
features thrown in.??? It is open source and works on the server side to generate its
content. PHP often works with databases such as MySQL and PostgreSQL to generate content.
PHP boasts a command-line interpreter as well as modules that work with just about any
web server out there, but we will focus on PHP??™s mod_php5 module for Apache. Similarly,
PHP works with just about any database management system, but we will focus on MySQL.
PHP is extensible through the PHP Extension and Application Repository (PEAR) at http://
pear.
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