Best way to solve unwanted uri characters.

[eluser]eedfwChris[/eluser]
[quote author="sophistry" date="1186625865"]um...

Code:

if ($id ===2)
{
//do sql
}

[/quote]

Uh... ANY number... not just 2...

[quote author="BravoAlpha" date="1186628265"]Cast the id string to an integer? PHP Manual: Type Juggling[/quote]

I just want it to err out if it's anything but an integer.

There isn't some sort of validation that I do with codeigniter specifically for URI segments? In theory I could do something like:

Code:

if (is_numeric($id))
{
// sql
}