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<?php $arr = array(7, 9, 3, NAN); sort($arr); print_r($arr);
Output for 7.0.23 - 7.0.33, 7.1.9 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Array ( [0] => NAN [1] => 3 [2] => 7 [3] => 9 )
Output for 7.0.0 - 7.0.22, 7.1.0 - 7.1.8
Array ( [0] => 3 [1] => 7 [2] => 9 [3] => NAN )
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Array ( [0] => 3 [1] => 7 [2] => NAN [3] => 9 )
preferences:
197.02 ms | 402 KiB | 330 Q