Re: check for a number
| From: | nicos@php.net | Date: | Wed, 04 Sep 2002 20:09:13 +0000 |
| Subject: | Re: check for a number | ||
| References: | 1 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-115229@lists.php.net to get a copy of this message | ||
Hi,
if(is_numeric($return = substr("$f", 0, 1)))
etc... You can look at the manual to get the list of the is_() functions:
is_array
is_bool
is_callable
is_double
is_float
is_int
is_integer
is_long
is_null
is_numeric
is_object
is_real
is_resource
is_scalar
is_string
etc.
--
Nicos - CHAILLAN Nicolas
nicos@php.net
www.WorldAKT.com - Hébergement de sites Internet
"Mike Fifield" <Mike.Fifield@schwab.com> a écrit dans le message de news:
FFE9B7BE532CD411872F00508BDFB8FE0EB76CA0@n6010vmx.nt.schwab.com...
> 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?
>
>
>
>
>
>
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