[TriLUG] Gallery/PHP Problem

[Randy Barlow]

I tried changing a require() to require_once(), but the error remained 
the same so I changed it back.  I haven't modified Gallery's code (other 
than this time), so that shouldn't be the problem...

Randy

Rick DeNatale wrote:

>On 12/15/05, Randy Barlow <rpbarlow at ncsu.edu> wrote:
>  
>
>>Hi,
>>
>>    I have a problem with Gallery at http://www.hamlettcorp.com  If you
>>go to the site, you will see an intro screen, and then you will be
>>redirected to my Gallery page.  Frequently, the Gallery page gives the
>>following PHP error:
>>
>>*Fatal error*: Cannot redeclare editfield() (previously declared in
>>/var/www/localhost/htdocs/gallery/util.php:27) in
>>*/var/www/localhost/htdocs/gallery/util.php* on line *27
>>
>>*I can't make any sense of this error, because it's complaining about a
>>function being declared twice, but both times it's talking about the
>>same line of the same file!  The bizarre thing is that if you refresh
>>the page enough, it will work.  Any ideas of what's wrong?
>>    
>>
>
>I'm guessing here, but I'd bet that the util.php file is being
>included multiple times.  Php has four directives for including code.
>
>include(filename) includes the file if it exists, with no complaint if
>it doesn't.
>require(filename) includes the file if it exists, and complains if it doesn't.
>
>include_once(filename) like include but won't include the file if it's
>already been pulled in before.
>require_once(filename) like require but won't include an already included file.
>
>The latter two are intended to cirumvent the kind of problem you are seeing.
>
>I suspect that somewhere some file has either an include(util.php) or
>require(util.php) and you don't get the error when this file is
>processed first, and do if it's processed after another file which has
>already included the file.
>
>--
>Rick DeNatale
>
>Visit the Project Mercury Wiki Site
>http://www.mercuryspacecraft.com/
>  
>