php编程冒泡排序

1. <?
   //冒泡排序法

   function bubble_sore($array) {
   $count = count($array);
   if ($count < 0) {
   return false;
   }
   for ($i = 0; $i < $count-1; $i++) {
   for ($j = 0; $j < $count - $i -1;$j++) {
   if ($array[$j] < $array[$j+1]) {
   $temp = $array[$j+1];
   $array[$j+1] = $array[$j];
   $array[$j] = $temp;
   }
   }
   }
   return $array;
   }
   $arr = array(1,9,8,5);
   $re = bubble_sore($arr);
   var_dump($re);

   ?>