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<?php function qsort($arr){ if(!isset($arr[1])){ return $arr; } $larr = $rarr = []; for ($i=1; $i < count($arr); $i++) { if($arr[$i]<$arr[0]){ $larr[] = $arr[$i]; } if($arr[$i]>=$arr[0]){ $rarr[] = $arr[$i]; } } $larr = qsort($larr); $larr[] = $arr[0]; $rarr = qsort($rarr); return array_merge($larr,$rarr); } print_r(qsort(array(411,21,333,666)));
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.33, 7.2.6 - 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 - 8.3.7
Array ( [0] => 21 [1] => 333 [2] => 411 [3] => 666 )
preferences:
182.18 ms | 404 KiB | 211 Q