well, that's just because "," is parameter separator and some more.
like in your example, array field separator.
so, what you actually do is simply:
global $comma[1]
$comma[0] = 2 * 1
$comma[1] = 5
now, if kix would use "," as decimal as you seemed to suggest...
how would one define arrays or separate parameters for function calls?
what I ment in my previous post is that when you have decimal place inside string, it gets translated to numeric with the decimal symbol of your OS.
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