[TYPO3-core] RFC: Bug #7669: Change elderly while(list()=each()) to foreach calls in t3lib_tstemplate

[Michael Stucki]

Hi Olly,

> Problem:
> There are many old while(list()=each()) calls in t3lib_tstemplate. Some
> of them are buggy becaus the internal array pointer has to be resetted
> then walking through an array by each().
> One current side-problem is that in some PHP5 versions TypoScript
> constants are not substituted correctly - due to a missing reset($array).
> 
> Solution:
> Change these iterations to use foreach() and clean up the whole class a
> bit.
> 
> Bugtracker references:
> http://bugs.typo3.org/view.php?id=7669

You may be aware of it, but just to be sure: list/each is working on the
array itself while foreach will create a copy of the array. So this will
consume more memory unless you use a reference for the value. However, it
seems you have only used them a few times.

So did you take care of this already, or were the references added randomly?

- michael
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