> Felipe Desiderati wrote:
> > try this:
> >
> > if (ereg("^[0-9]+$", $_POST["var_int"))
> > echo "is int";
>
> That's not the best regexp. It doesn' take into account negative
> integers and isn't there a [[:numeric:]] or something like regexp that
> would work better.
>
> I'm looking for the simplest method and the one that takes the less
> processing power :)
>
> Calling up the regular expression engine dounds pretty processing
> intensive ...
Sorry, I don´t know that you needed an effective snipet. And you are right,
I only writed for positive integers. Try something like apply 2 type cast
simunltaneous.
if ( (string) ((int) $_POST["var_int"]) == $_POST["var_int"])
echo "is int";
And sorry for my english,
[]´s Felipe
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