You can handle the F11 key using Javascript function, check the below javascript function.
Related Articles
Print Window Page Using Javascript
Below script prints the window page by simple javascript function. See below :
PHP Radio Button Example With Mysql DB
Simple PHP Radio button enable and disable textarea textbox example in php using Mysql
How to Get Current Page URL Using PHP
If you would like to know from which page the request has come from using post Method then there is a simple PHP script can solve your issue. Get Current Page URL Using PHP Check below script to Get Current page using PHP function getCurrentURLPage() { $s = empty($_SERVER[“HTTPS”]) ? ”: ($_SERVER[“HTTPS”] == “on”) ? […]