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HomeBackend DevelopmentPHP TutorialPHP bubble sort algorithm implementation code

  1. //Bubble sort function
  2. //This function uses references to avoid memory consumption
  3. //Organization: bbs.it-home.org
  4. function &bubble(&$arr){
  5. $ count=count($arr);
  6. if($count>1){
  7. for($i=0;$i for($j=$count-1;$j>= $i;$j--){
  8. if($arr[$j-1]>$arr[$j]){
  9. $temp=$arr[$j-1];
  10. $arr[$j- 1]=$arr[$j];
  11. $arr[$j]=$temp;
  12. }
  13. }
  14. }
  15. }
  16. return $arr;
  17. }
  18. //Output array (convenient for viewing on the web page)
  19. function printArr(&$arr){
  20. echo "
    "; 
  21. print_r($arr);
  22. echo "";
  23. }
  24. //Start the test
  25. //Assign ten randomly to the array Value
  26. for($i=0;$i $testArr[]=rand(10,100);
  27. }
  28. printArr(bubble($testArr));
  29. ?>
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