PHP冒泡排序

冒泡排序

<?php
      function bobble_sort(&$s)
      {
        for ($i=0;$i<count($s)-1;$i++){
            for ($j=$i+1;$j<count($s);$j++){
                if($s[$i]>$s[$j]){
                    $temp = $s[$j];
                    $s[$j] = $s[$i];
                    $s[$i] = $temp;
                }
            }
        }
      }

    $arr = [1,2,4,3,2,5,6,8,3,465,21,34,5,1];
    bobble_sort($arr);
    print_r($arr);
?>

测试结果

Array
(
    [0] => 1
    [1] => 1
    [2] => 2
    [3] => 2
    [4] => 3
    [5] => 3
    [6] => 4
    [7] => 5
    [8] => 5
    [9] => 6
    [10] => 8
    [11] => 21
    [12] => 34
    [13] => 465
)