php順序查找和二分查找

<?
  = (1,2,3,5,7,6,4,8
  query_search( (->   => ( ==  '順序查找成功!'(0 '順序查找失敗!'
  bin_search((-> = 0 = (-> ( = ;  < ; ++ = (( + ) / 2
( == ->[ '二分查找成功!'(0 ( < ->[ =  ( > ->[ =  '二分查找失敗!'