Popular, easy to learn and use, general purpose, Open Source scripting language, very well suited for Web development and server-side scripting, can be embedded in HTML text and code. Syntax from C, Java, Perl. Goal: allow web developers to write dynamically generated pages quickly.
PHP is a server-side HTML embedded scripting language. It provides web developers with a full suite of tools for building dynamic websites: native APIs to Apache and other web servers; easy access to MySQL, Sybase, Oracle, and other databases; IMAP; LDAP; www.php.net