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<?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);
Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
array(4) { [0]=> array(2) { ["a"]=> int(2) ["priority"]=> bool(true) } [1]=> array(2) { ["a"]=> int(4) ["priority"]=> bool(true) } [2]=> array(2) { ["a"]=> int(1) ["priority"]=> bool(false) } [3]=> array(2) { ["a"]=> int(3) ["priority"]=> bool(false) } }
Output for 7.3.29
Parse error: syntax error, unexpected 'fn' (T_STRING), expecting :: (T_PAAMAYIM_NEKUDOTAYIM) in /in/Cuvkl on line 11
Process exited with code 255.
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