Fatal error: Uncaught Error: Undefined constant "page" in /home/riser3/www/virtual_html/select.php:3 Stack trace: #0 /home/riser3/www/virtual_html/contents.php(47): include() #1 /home/riser3/www/virtual_html/main.php(3): include('...') #2 {main} thrown in /home/riser3/www/virtual_html/select.php on line 3