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Simple bubbling method in PHP

WBOY
Release： 2016-07-25 09:02:25
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It's a very basic thing. I feel that the code is not concise enough. I hope experts can guide me to modify it.
Reprinted from PHP interview questions: http://phpmst.com/

  1. function BubbleSort($str){
  2. for($i=0;$i for ($ k=count($str)-2;$k>=$i;$k--){//Bubble this value forward;
  3. if($str[$k+1]<$str[$ k]){ //Change the less than sign to the greater than sign, which is to sort in descending order;
  4. $tmp=$str[$k+1];
  5. $str[$k+1]=$str[$k];
  6. $ str[$k]=$tmp;
  7. }
  8. }
  9. }
  10. return $str;
  11. }
  12. //The following is the test
  13. $str=array(5,8,2,6,10,0,3,12, 11);
  14. print_r(BubbleSort($str));
  15. ?>
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PHP的简易冒泡法
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