[TYPO3-core] RFC #17420: Add LOOP cObject

[Xavier Perseguers]

Hi,

>> Why not introduce a new ->dataArray which could be anything implementing
>> the "Iterator" class? This allows much more flexible ways of passing
>> data to this LOOP without having to "pre-fill" an array.

What we should have then is yet another cObj "ARRAY" for instance which 
would work a bit like a COA but would return a PHP array instead, 
possibly supporting alternative input with some Iterator (if really 
needed). This way, you could write something like that:

page.10 = LOOP
page.10.input = ARRAY
page.10.input {
	10 = ARRAY_ITEM
	10 {
		firstKey = TEXT
		firstKey.data = GP:foo

		secondKey = 10
	}
	20 = ARRAY_ITEM
	20 {
		firstKey = 20
		secondKey = 30
	}
}
page.10.renderObj = COA
page.10.renderObj.10 = TEXT
page.10.renderObj.10.field = firstKey
page.10.renderObj.10.wrap = <strong>|:</strong>
page.10.renderObj.20 = TEXT
page.10.renderObj.20.field = secondKey

I wrote that quickly, it may be slightly different but for me this is 
another (useful) RFC.

Xavier