foreach ($array as $key=>$value)
{
$new_array[$key] = iconv(‘UTF-8‘, ‘GBK‘, $value);
}
asort($new_array);
foreach ($new_array as $key=>$value)
{
$array[$key] = iconv(‘GBK‘, ‘UTF-8‘, $value);
}
原文：http://www.cnblogs.com/lamp01/p/7852956.html