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Re: [PHP] undefined index and php

Posted by Jochem Maas on 11/10/05 16:09

Robbert van Andel wrote:
> The question mark and colon is the equivalent for the iif function. It's a

'if () ...' is not a function it's a language construct. they are different :-)
for instance 'echo' is also a language construct which is why it does not require
brackets e.g.

$space = ' ';
echo "hello",$space,"world";

> short hand for if/else. You start with the expression, and if true, do
> what's after the question mark and if false, after the column.
>
> Robbert
>
> -----Original Message-----
> From: ross@aztechost.com [mailto:ross@aztechost.com]
> Sent: Thursday, November 10, 2005 4:58 AM
> To: php-general@lists.php.net
> Subject: Re: [PHP] undefined index and php
>
> I have never really used this abreviated format before
>
> why the question mark and the colon? What is the long hang eqivalent.
>
> I turned magic quotes off too.
>
> thanks.
>
> R.
> ----- Original Message -----
> From: "Jasper Bryant-Greene" <jasper@album.co.nz>
> To: "Ross" <ross@aztechost.com>
> Cc: <php-general@lists.php.net>
> Sent: Thursday, November 10, 2005 12:19 PM
> Subject: Re: [PHP] undefined index and php
>
>
>
>>Ross wrote:
>>
>>>because the following line give the notice 'undefined index' BEFORE the
>
>
>>>submit button has been pressed..
>>>
>>><? $heading_insert= stripslashes($_POST['heading']);?>
>>
>>That's because before the submit button has been pressed, $_POST is empty
>>and so 'heading' is indeed an undefined index. Try:
>>
>>$heading_insert = isset( $_POST['heading'] ) ? stripslashes(
>>$_POST['heading'] ) : '';
>>
>>By the way, while you're switching register_globals off, it might be a
>>good idea to also switch off magic_quotes_gpc (the reason you need
>>stripslashes() above) and short_open_tag (judging by your use of the
>>non-portable <? open tag rather than <?php).
>>
>>Jasper
>>
>>
>>
>
>

 

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