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run code in 150+ php & hhvm versions
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<?php $a = array(1, 10, 2); var_dump($a); rsort($a); var_dump($a);
based on 0cpFe
Output for 4.3.0 - 7.1.0
array(3) { [0]=> int(1) [1]=> int(10) [2]=> int(2) } array(3) { [0]=> int(10) [1]=> int(2) [2]=> int(1) }