> if ((int($string)==($string)) && ($string>0)) {then positive integer}
>
> not sure exactly, but try
Why not use the RE's? I usually use preg_* so I'll give the example
using these...
if (preg_match ("/^\d+$/", $string)) {
print ("Yep... Only digits.");
} else {
prnt ("Noop! There are non-digit characters...");
}
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