[TYPO3-mvc] Blog example: Number of comments

[Julian Kleinhans]

Hi Bastian,

Bastian Waidelich schrieb:
> Sebastian KurfŸürst wrote:
> 
> Hi there,
> 
>> Thus, in your case, I'd rewrite the ViewHelper to have 
>> <NAMESPACE:count array="{post.comments}" />.
> 
> or, even more generic, <NAMESPACE:count collection="{post.comments}" /> 
> and in your render method:
> 
> /**
>  * @param array $collection
>  */
> public function render($collection) {
>     return count($collection);
> }
> 
> note, that there is no array type hint. So Fluid would check that the 
> collection is an array _or_ an object that implements the ArrayAccess or 
> Traversable interface.
> 
> I'd like to discuss this with you:
> Instead of marking the parameter as array, I'd like to turn it around 
> and specify the interface.
> 
> /**
>  * @param Countable $collection
>  */
> public function render($collection) {
>     return count($collection);
> }
> 
> Now Fluid could check, whether the parameter is an array or an object 
> that implements countable (the same for Traversable and ArrayAccess)
> 
> For the ForViewHelper we could expect a traversable object.
> 
> What do you think?
> 
> Bastian


I think its a good, really good idea.
Anyway, post.comments is a object and not an array

Is that viewHelper not one for the FLUID viewHelper extension?


cheers
julian