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Re: CTYPE [message #182672 is a reply to message #182669]

Sun, 25 August 2013 20:19

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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[Message index]

		CTYPE By: bill on Sun, 25 August 2013 17:51
		Re: CTYPE By: Richard Yates on Sun, 25 August 2013 18:21
		Re: CTYPE By: bill on Sun, 25 August 2013 19:00
		Re: CTYPE By: Richard Yates on Sun, 25 August 2013 19:05
		Re: CTYPE By: J.O. Aho on Sun, 25 August 2013 18:38
		Re: CTYPE By: bill on Sun, 25 August 2013 19:28
		Re: CTYPE By: Richard Yates on Sun, 25 August 2013 20:16
		Re: CTYPE By: bill on Mon, 26 August 2013 15:49
		Re: CTYPE By: Christoph Michael Bec on Sun, 25 August 2013 20:19
		Re: CTYPE By: bill on Mon, 26 August 2013 16:15
		Re: CTYPE By: Fiver on Sun, 25 August 2013 20:42
		Re: CTYPE By: Thomas 'PointedEars' on Mon, 26 August 2013 08:25
		Re: CTYPE By: The Natural Philosoph on Mon, 26 August 2013 08:29
		Re: CTYPE By: bill on Mon, 26 August 2013 16:37
		Re: CTYPE By: Norman Peelman on Sun, 25 August 2013 19:11
		Re: CTYPE By: Tim Streater on Sun, 25 August 2013 22:04
		Re: CTYPE THREAD RESOLVED By: bill on Sun, 25 August 2013 19:35
		Re: CTYPE THREAD RESOLVED By: Fiver on Mon, 26 August 2013 18:07
		Re: CTYPE THREAD RESOLVED By: The Natural Philosoph on Mon, 26 August 2013 19:19
		Re: CTYPE THREAD RESOLVED By: Fiver on Mon, 26 August 2013 20:51
		Re: CTYPE THREAD RESOLVED By: Jerry Stuckle on Mon, 26 August 2013 20:57
		Re: CTYPE THREAD RESOLVED By: bill on Tue, 27 August 2013 21:20
		Re: CTYPE THREAD RESOLVED By: Jerry Stuckle on Tue, 27 August 2013 23:47
		Re: CTYPE THREAD RESOLVED By: Tim Streater on Mon, 26 August 2013 21:07
		Re: CTYPE THREAD RESOLVED By: bill on Wed, 28 August 2013 12:49
		Re: CTYPE THREAD RESOLVED By: bill on Tue, 27 August 2013 21:18

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