Re: [Phpwebsite-developers] Use of var references in fallout modules

[Verdon V. <ve...@ve...>]

Thanks :) Clear and succinct answer.
vedon

On 10-Mar-06, at 7:56 AM, Matthew McNaney wrote:

> On Thu, 2006-03-09 at 17:54 -0500, Verdon Vaillancourt wrote:
>> 1)
>> $search = & new Search($this->key_id);
>
> Been so long doing this I forgot why I did it. I believe it is because
> you just want a reference pointing to the class and not a copy.
>
>> 2)
>> function &cpanel()
>> {
>>      do something;
>> }
>
> This means you are returning a reference point.
> function &getit()
> {
>     $a = 1;
>     return $a;
> }
>
> $b = getit();
>
> So instead of creating a new variable ($b) with new memory addresses I
> just point to the result of the function.
>
>> 3)
>>   function _loadCategory(&$cat_item, &$blog, $version=NULL)
>> {
>>      do something;
>> }
>
> This one is very useful. I can send in a variable, work on it in the
> function and then return something different. For example, I could  
> parse
> cat_item, alter the variable, and return TRUE. Also in the example
> above, I could alter cat_item and blog at the same time.
>
>
> --  
> Matthew McNaney
> Electronic Student Services
> Appalachian State University
> http://phpwebsite.appstate.edu
>
>
>
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