Form variable...

[phigga]

Hi all,

I have a form that collects an integer value. Once the form is submitted, i need to make sure the value is an integer. I can't use is_int(), because returned form fields always come back as strings. I can't do a is_int( (int) $value) because, well, you can see what that does to decimal values.

Anyone know what I can do to make sure it's an int?

[vsego]

if (ereg("^{[[:digit:]]+$",} $var))
..int
else
..not int

If you want to use negatives as well:
if (ereg("^{-?[[:digit:]]+$",} $var))

[dcomartin]

if (ereg("^{[[:digit:]]*$",$input_from_form))} {
// it only contains numbers
} else {
// contacts stuff other than numbers
}

Hope this helps.

Derek C

[phigga]

thanks to the 2 of you....works just fine.