[TYPO3-core] RFC: Use split to fetch a value

[Michael Stucki]

Committed.

Michael Stucki wrote:

> Another CVS patch request:
> 
> Problem:
> The "split" function works fine split a string and return something based
> on the splitted value. However it is not possible to simply return this
> value!
> 
> Solution:
> Introduce a new property for the split function that returns the splitted
> value and returns it immediately.
> 
> 
> TSref changes:
> 
> In section "split":
> 
>  cut Property:
> returnKey
> 
> Data type:
> int / stdWrap
> 
> Description:
> Instead of parsing the split result, just return this element of the index
> immediately.
>  cut
> 
> Example:
> 
> Parse a custom tt_content field, split it line by line, and assign the
> current image element.
> 
> tt_content.textpic.20.longdescURL.typolink {
>         # Only return the URL, not the full <a href"..."> link
>         returnLast  url
> 
>         parameter {
>                 # This is a new db field where users can enter a
>                 # longdescURL one line per image
>                 field  tx_myextension_longdesc
> 
>                 split {
>                         # Split at newline
>                         token.char  10
> 
>                         # This is the new property: Return the x-th
>                         # element
>                         returnKey.data  register : IMAGE_NUM
>                 }
>         }
> }
> 
> 
> If there is an existing way to get this value (I don't think so) please
> let me know...
> 
> Michael

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