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<?php define('MY_ORDER', [0 => 2, 1 => 3, 2 => 0, 8 => 1]); function keyfn($v) { echo "called for $v\n"; return MY_ORDER[$v]; } $array = [2, 2, 2, 1, 1, 0, 0, 8]; array_multisort(array_map('keyfn', $array), $array); var_export($array);
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
called for 2 called for 2 called for 2 called for 1 called for 1 called for 0 called for 0 called for 8 array ( 0 => 2, 1 => 2, 2 => 2, 3 => 8, 4 => 0, 5 => 0, 6 => 1, 7 => 1, )
preferences:
140.59 ms | 402 KiB | 120 Q