Re: Forms and PHP variables

Thanks for the info, but ..... is_numeric does not appear to accept variables i.e. is_numeric($num) and ctype gives me the following. Fatal error: Call to undefined function: ctype_digit() in /usr/local/apache/htdocs/.............. on line 6 ----- Original Message ----- From: "Philip Olson" <philip@cornado.com> To: "Beauford.2002" <beauford.2002@rogers.com> Cc: "PHP General" <php-general@lists.php.net> Sent: Saturday, December 21, 2002 9:50 PM Subject: Re: [PHP] Forms and PHP variables > > Use is_numeric() > > http://www.php.net/is_numeric > > See also the ctype functions which can > be read about here: > > http://www.php.net/ctype > > And yes, regular expressions are another > option but aren't needed here. > > Regards, > Philip Olson > > > On Sat, 21 Dec 2002, Beauford.2002 wrote: > > > Hi, > > > > First off, thanks to all those that helped out with my other questions. Not > > all my problems were solved, but I'm certainly closer. Still working on the > > same project I need to do the following. > > > > I have a form where users input numbers only, is there a way I can have php > > check to make sure a letter or other character didn't get put in by > > accident. I was looking at ereg, but not to familiar with this or if it > > would work in this case. > > > > TIA > > > > > > > > -- > > PHP General Mailing List (http://www.php.net/) > > To unsubscribe, visit: http://www.php.net/unsub.php > > > > > -- > PHP General Mailing List (http://www.php.net/) > To unsubscribe, visit: http://www.php.net/unsub.php > >