[TYPO3-mvc] How to solve "Duplicate variable declarations!"

[Sebastian Schreiber]

Hi,
the variable $key is never defined.
Maybe that´s your problem here.

Am 17.07.2011 17:27, schrieb Henjo Hoeksma:
> Hi list,
>
> for a category structure I created a forViewhelper that gives all the 
> objects back that have the uid of the parents set.
>
> Fluid:
> <c:categoryTree category="{category.uid}" as="subcategory">
>
> ViewHelper:
>    /**
>     *
>     * @param integer $category
>     * @param string $as The name of the iteration variable
>     * @return string
>     */
>    public function render($category,$as) {
>     $categoryRepository = 
> t3lib_div::makeInstance('Tx_Peproducts_Domain_Repository_CategoryRepository'); 
> // Singleton
>     $categories = $categoryRepository->findByParent($category);
>     foreach($categories as $keyValue => $value){
>         $this->templateVariableContainer->add($as, $value);
>         $this->templateVariableContainer->add($key, $keyValue);
>         $output .= $this->renderChildren();
>         $this->templateVariableContainer->remove($as);
>         $this->templateVariableContainer->remove($key);
>     }
>     return $output;
>    }
>
> For one layer this works perfect. I want to add an extra sublayer like 
> this:
> <c:categoryTree category="{category.uid}" as="subcategory">
>     {subcategory.uid}
> <c:categoryTree category="{subcategory.uid}" as="subsubcategory">
>         {subsubcategory.uid}
> </c:categoryTree>
> </c:categoryTree>
>
> This results in a "Duplicate variable declarations!" error.
> I tried to modify the viewhelper to also give back child categories, 
> to no avail.
>
> Can somebody point me in the good direction? I'm kinda stuck here :-(
>
> Thanks in advance.
>
> Henjo
>
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