1 
     $arr[$j] ) {10                 //交换11                 $temp = $arr[$j-1];12                 $arr[$j-1] = $arr[$j];13                 $arr[$j] = $temp;14                 15                 16             } 17         18             19         }20         21        22         23         24     }25     26      return $arr;27     28     29 }30 31 32 33 34     //run 35     $arr = array(1,25,85,9,65,14,5);36     37     print_r(bubbleSort($arr));38     39 40 41 42 ?>