PHP --字符串编码转换（自动识别原编码）_PHP教程

/**  
 * 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);//自动判断编码  
  
    if (!is_array($data)) {  
        return mb_convert_encoding($data, $output, $encoded);  
    }  
    else {  
        foreach ($data as $key=>$val) {  
            if(is_array($val)) {  
                $data[$key] = array_iconv($val, $input, $output);  
            } else {  
            $data[$key] = mb_convert_encoding($data, $output, $encoded);  
            }  
        }  
    return $data;  
    }  
}  

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