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<?php // New syntax since PHP 7.4 $a = [3, 2, 5, 6, 1]; usort($a, fn($a, $b) => $a<=>$b); foreach ($a as $key => $value) { echo "$key: $value\n"; }
Output for git.master, git.master_jit, rfc.property-hooks
0: 1 1: 2 2: 3 3: 5 4: 6

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