Re: Str to Int

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Am Freitag, den 20.01.2006, 18:28 -0500 schrieb comex:
> > if ($cardID=''||is_int($cardID))
> 
> Two problems with that statement:
> First of all, this statement _sets_ cardID to '', and then (I think)
> returns a false value since '' doesn't evaluate to true.  You probably
> wanted ==.

hOOOOOOOOOOOOOOps that's right, shit, haven't seen that......hm okay, it
works fine now, thanks again!

> Second of all, now that $cardID is '', it certainly isn't an int.  It
> isn't an int, and it wouldn't be an int if you fixed that statement
> because is_int only tests if it is, actually, an integer. 
> $HTTP_GET_VARS['cardID'] could be '123', but it can't be 123 and so
> that will be false.  From the PHP manual:
> 
>     Note:  To test if a variable is a number or a numeric string (such
> as form input, which is always a string), you must use is_numeric().
> 

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