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run code in 200+ php & hhvm versions
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<?php $list = [2.9, 2.0, 2.41]; sort($list); var_dump($list);
based on OcPNv
Output for 5.6.30, hhvm-3.18.5 - 3.22.0, 7.0.30 - 7.3.0beta1
array(3) { [0]=> float(2) [1]=> float(2.41) [2]=> float(2.9) }