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<?php $arr = [8, 3, 5, 2, 9]; for($i = 1; $i < count($arr); $i++) { $key = $arr[$i]; $j = $i - 1; if( $j >= 0 && $arr[$i] < $arr[$j]) { $arr[$j + 1] = $arr[$j]; $j--; } $arr[$j + 1] = $key; } print_r($arr);
Output for 8.3.0 - 8.3.30, 8.4.1 - 8.4.17, 8.5.0 - 8.5.2
Array ( [0] => 3 [1] => 5 [2] => 2 [3] => 8 [4] => 9 )
preferences:
49.53 ms | 406 KiB | 5 Q