is_int($f) will return true if $f is an integer, false otherwise. Check http://www.php.net/manual/en/function.is-int.php
HTH, Steve. -----Original Message----- From: Fifield, Mike [mailto:[EMAIL PROTECTED]] Sent: Wednesday, September 04, 2002 4:04 PM To: [EMAIL PROTECTED] Subject: [PHP] check for a number I am using substr("$f", 0, 1); to get the first character of a string but what to be able to tell if the first character is a digit or a letter is there a way to do this? -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php