PHP –字符串编码转换（自动识别原编码）

[php]
/**
* 对数据进行编码转换
* @param array/string $data 数组
* @param string $output 转换后的编码
*/
function array_iconv($data, $output = 'utf-8') {
$encode_arr = array('UTF-8','ASCII','GBK','GB2312','BIG5','JIS','eucjp-win','sjis-win','EUC-JP');
$encoded = mb_detect_encoding($data, $encode_arr);

if (!is_array($data)) {
return mb_convert_encoding($data, $output, $encoded);
}
else {
foreach ($data as $key=>$val) {
$key = array_iconv($key, $output);
if(is_array($val)) {
$data[$key] = array_iconv($val, $output);
} else {
$data[$key] = mb_convert_encoding($data, $output, $encoded);
}
}
return $data;
}
}
[/php]