摘要：$a = array(2,3,4,6,7,8,87); function pao($a){ $len = count($a); for($i =1;$i<$len;$i++){ for($j=0;$j<$len-$i;$j++){ if($a[$j] < $a[$j+1]){ $b = $a[$j+ 阅读全文