Suppose you have following data stucture:
1=> [1.5, 2.1, 3.1],
2=> [1.2, 2.2, 3.2],
3=> [1.3, 2.3, 3.3],
How would you do in the easiest way to get out an array consisting of the first ellement in each of the internal valuearrays sorted by the keys?
I.e. $array=1.5, $array=1.2 and $array=1.3.
Thank you fellow monk.
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