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<?php $test = [ 3 => 'a', 2 => 'b', 1 => 'a' ]; array_walk($test, fn(&$value, $key) => $value=['key'=>$key,'value'=>$value]); uasort($test, fn($a, $b) => $a['value'] <=> $b['value'] ?: $a['key'] <=> $b['key']); array_walk($test, fn(&$pair) => $pair=$pair['value']); var_dump($test);
Output for 7.4.0 - 7.4.33, 8.0.0 - 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(3) { [1]=> string(1) "a" [3]=> string(1) "a" [2]=> string(1) "b" }
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
Parse error: syntax error, unexpected '&' in /in/FMirS on line 9
Process exited with code 255.
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