Prevention of Web Page Caching – PHP

Method

Add the following codes into the page, in order to prevent the page being cached

header('Cache-Control: no-cache, no-store, must-revalidate');
header('Pragma: no-cache'); 
header('Expires: 0');

Reference

http://wiki.asp.net/page.aspx/1487/prevent-browser-caching-of-web-pages-…
https://www.owasp.org/index.php/Testing_for_Logout_and_Browser_Cache_Man…(OWASP-AT-007)