From: "Daniel P. Brown" on
On Fri, May 21, 2010 at 17:02, MuFei <mufei4u(a)gmail.com> wrote:
> Hi Ashley,
> Your way works also great, But I have some question thought:
> When I only use the first half of the code you suggested:
> $question = (isset($_GET['question']));
> then use the $question in the switch it works as I want it.
> If I use the whole code( $question =
> (isset($_GET['question']))?$_GET['question']:'some default value
> here';), the results also are the same.
> My question is:
> What is the code from the "?"sign to the end for?

Ash gave you a ternary operator example.

http://php.net/manual/en/language.operators.comparison.php

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</Daniel P. Brown>
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From: MuFei on
Yes, I got it now.
Thanks Daniel
Thanks everyone!


On Sat, May 22, 2010 at 12:08 AM, Daniel P. Brown
<daniel.brown(a)parasane.net> wrote:
> On Fri, May 21, 2010 at 17:02, MuFei <mufei4u(a)gmail.com> wrote:
>> Hi Ashley,
>> Your way works also great, But I have some question thought:
>> When I only use the first half of the code you suggested:
>> $question = (isset($_GET['question']));
>> then use the $question in the switch it works as I want it.
>> If I use the whole code( $question =
>> (isset($_GET['question']))?$_GET['question']:'some default value
>> here';), the results also are the same.
>> My question is:
>> What is the code from the "?"sign to the end for?
>
>    Ash gave you a ternary operator example.
>
>        http://php.net/manual/en/language.operators.comparison.php
>
> --
> </Daniel P. Brown>
> daniel.brown(a)parasane.net || danbrown(a)php.net
> http://www.parasane.net/ || http://www.pilotpig.net/
> We now offer SAME-DAY SETUP on a new line of servers!
>