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Online Sandbox for SQL and PHP: Write, Run, Test, and Share SQL Queries and PHP Code
<?php
$array = [
'5' => 2,
'6' => 3,
'7' => 10,
'8' => 1
];
var_export(
array_map(fn($old, $new) => $new, $array, (fn($v) => sort($v) ? $v : $v)($array))
);