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<?php $dis = [45 => 422.555, 67=> 596.555, 72 => 322.55]; asort($dis); $arrs = reset($dis); echo key($arrs);
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught TypeError: key(): Argument #1 ($array) must be of type array, float given in /in/JHGin:6 Stack trace: #0 /in/JHGin(6): key(322.55) #1 {main} thrown in /in/JHGin on line 6
Process exited with code 255.

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