I am running a Redhat on a webserver. The current version of php on the server is 5.1.6. I want to upgrade it to 5.3.8 so I downloaded php and compiled it and replaced the older php binary with the newer one. I then restarted the httpd daemon. When I type php -v on the command line it gives me 5.3.8 but when I look at php on the browser using I get 5.1.6. How can I resolve this?