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<?php $arr = [0 => 23, 1 => 1, 2 => 22, 3=> 0]; var_dump($arr); asort($arr); var_dump($arr); $key = array_shift(array_keys($arr)); var_dump($key);
Output for git.master, git.master_jit, rfc.property-hooks
array(4) { [0]=> int(23) [1]=> int(1) [2]=> int(22) [3]=> int(0) } array(4) { [3]=> int(0) [1]=> int(1) [2]=> int(22) [0]=> int(23) } Notice: Only variables should be passed by reference in /in/Gao0a on line 6 int(3)

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