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Re: CTYPE [message #182672 is a reply to message #182669] Sun, 25 August 2013 20:19 Go to previous messageGo to previous message
Christoph Michael Bec is currently offline  Christoph Michael Bec
Messages: 207
Registered: June 2013
Karma:
Senior Member
Twayne wrote:

> On 2013-08-25 2:38 PM, J.O. Aho wrote:
>> On 25/08/13 19:51, Twayne wrote:
>>
>> Simple maths will show your error, lets count your opening parentheses
>>
>> if (ctype_alnum(str_split($zip,1)) {
>> 1 2 3
>
> So Richard noted also. I even fired up another editor that shows parens
> et al by simply hoering a mouse over the tag. Damned if I didn't see it
> there either!

If you're having problems keeping *nesting* parens balanced, you might
consider to avoid them. The code above could be written this way:

$characters = str_split($zip, 1);
$is_alphanumeric = ctype_alnum($characters);
if ($is_aphanumeric)
{

This has the additional advantage that it eases debugging.

BTW: The code won't work, as ctype_alnum() expects a string, but
str_split() returns an array.

--
Christoph M. Becker
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