01.冒泡从小到大排序

1 PHP的实现

$a = array(23,15,43,25,54,2,6,82,11,5,21,32,65);
for ($i = 0; $i < count($a) ; $i++) {
    for ($j = $i+1; $j < count($a); $j++) {
        if ($a[$i] > $a[$j]) {
            $tem = $a[$i]; 
            $a[$i] = $a[$j]; 
            $a[$j] = $tem; 
        }
    }        
}