RE: [PHP] check for a number
| From: | Steve Bradwell | Date: | Wed, 04 Sep 2002 20:08:30 +0000 |
| Subject: | RE: [PHP] check for a number | ||
| Groups: | php.general | ||
| Request: | Send a blank email to php-general+get-115227@lists.php.net to get a copy of this message | ||
is_int($f) will return true if $f is an integer, false otherwise.
Check http://www.php.net/manual/en/function.is-int.php
HTH,
Steve.
-----Original Message-----
From: Fifield, Mike [mailto:Mike.Fifield@schwab.com]
Sent: Wednesday, September 04, 2002 4:04 PM
To: php-general@lists.php.net
Subject: [PHP] check for a number
I am using
substr("$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?