PHP--文字列符号化変換(元の符号化を自動認識)

/**

 *          

 * @param array/string $data         

 * @param string $output          

 */

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) {

			if(is_array($val)) {

				$data[$key] = array_iconv($val, $input, $output);

			} else {

			$data[$key] = mb_convert_encoding($data, $output, $encoded);

			}

		}

	return $data;

	}

}