PHP Manual . ... Make PHP code look like other code types AddType application/x-httpd-php .asp .py .pl Or obscure it completely: . ... Make PHP code look like unknown types AddType application/x-httpd-php .bop .foo .133t Or hide it as html code, which has a slight performance hit because all html will be parsed through the PHP engine: . ... Make all PHP code look like html AddType application/x-httpd-php .htm .html For this to work effectively, you must rename your PHP files with the above extensions. ...