that'll work because PHP will change its cast from a currency to a
integery before adding.
Adam
On Thu, 12 Sep 2002, David Buerer wrote:
> OK y'all, go ahead and shoot me, but this is what I'd do:
>
> $mystring="enters $56.55 for example";
> $mynumber=$mystring+1-1;
>
> $mynumber now equals 56.55 If you want the . to go to, use the other
> methods.
>
> -----Original Message-----
> From: Jason Caldwell [mailto:[EMAIL PROTECTED]]
> Sent: Wednesday, September 11, 2002 3:31 PM
> To: [EMAIL PROTECTED]
> Subject: [PHP] Extracting Numbers from a string.
>
>
> I need to extract the numbers only from a field.
>
> For example: I have an AMOUNT field and so that I can filter out any user
> typo's I would like to extract the numbers only.
>
> If the user enters $56.55 for example or just $56 then I would like to be
> able to remove the "$" and the "." keeping just the 56 or 5655.
>
> Can I use eregi_replace() to do this -- I've been trying but it doesn't seem
> to work right.
>
> Thanks.
> Jason
>
>
>
>
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