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run code in 300+ PHP versions simultaneously
<?php $list = [ ['a' => 1, 'priority' => false], ['a' => 2, 'priority' => true], ['a' => 3, 'priority' => false], ['a' => 4, 'priority' => true], ]; usort ($list, static fn (array $a, array $b): int => (int)$b['priority'] <=> (int)$a['priority']); var_dump($list);

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24.11 ms | 405 KiB | 5 Q