Need help in creating filter

[system]

I have a PHP file, which is created for monitoring devices. It shows all the up and down device in single page, i need filter to view only up or down or recovering or all devices. Someone please help in creating filter. I don’t have any PHP knowledge please help. Thank you.

I have attached the .php file

[Topcoder]

I don’t see the attach php…

But you should add a dropdown to your form withe the 3 filter options and when someone changes that dropdown you should add a where clause onto your sql to filter the results