Sams Teach Yourself PHP in 24 Hours, Third Edition

Glossary

.htaccess file

A document read by the Apache server that can contain certain server directives. The server administrator can control which available directives (if any) are allowed to be set in a .htaccess file on a directory-by-directory basis. If allowed, directives can affect the current directory and those below it. .htaccess files can contain PHP directives prefixed by php_flag or php_value. The .htaccess file can also be used to set an AddType directive that can change the extension associated by the server with PHP documents.

abstract class

A class that is partially implemented and explicitly declared as such. Unimplemented methods are declared abstract and consist of method signatures only. Classes that extend abstract classes ...