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PHP algorithm selection sort

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Release： 2023-03-23 09:48:01

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The content introduced in this article is the selection sorting code in the PHP algorithm. Now I share it with you. Friends in need can also refer to it. Let’s take a look together.

<?php 
// //选择排序

  function SelectionSort($arr)
  {
    for($i = 0;$i<count($arr);$i++){
      
      $min = $i;

      for($j = $i;$j<count($arr);$j++){

        if($arr[$min]>$arr[$j]){
         
          $min = $j;     
        }

      }
      if($min != $i){

          $temp = $arr[$min];
          $arr[$min] = $arr[$i];
          $arr[$i] = $temp;   
      }

    }
    return $arr;

  }

  $arr = array(2,5,8,4,3,1,6,7,9);

  $old_array = SelectionSort($arr);

print_r($old_array);exit;

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