[TYPO3-mvc] having a few problems nesting inline viewhelpers

[Stephen Bungert]

Hello fluid users!

Here is a line from my fluid template:

<f:for each="{sbp2:sortTitle(records: {sbp2:combineTags(record: item)})}" 
as="tag" iteration="tagInfo">

It causes the following error:

#1237900529: The argument "each" was registered with type "array", but is of 
type "string" in view helper "Tx_Fluid_ViewHelpers_ForViewHelper"

sortTitle is a vh that sorts objects by there title, either asc or desc.

combineTags is a vh that gets an item's tags (mm records of an other object 
class) and the tags from an item's associated client record, and returns 
them as one array.

I can do this without error:

<f:for each="{sbp2:sortTitle(records: item.tags)}" as="tag" 
iteration="tagInfo"> and have my item's tags outputted sorted by title
Or I can do this

<f:for each="{sbp2:combineTags(record: item)}" as="tag" iteration="tagInfo">

and have the for loop output the combined tags from the item and the item's 
client, sorted as selected.

But what I want to do is somehow pass the result of the combineTags vh to 
the sortTitle vh so that i can display the combined tags and sort them with 
my sortTitle vh. How can I do this? I could set a property in my item record 
to store the combined tags and just pass that to the sirtTitle vh but I was 
hoping to be able to just pass the results of one vh to another.

Is this possible?

Let me know if you need to see more code/my extension or more of my template 
code.

Stephen.