朽木

function json_encode_chinese($data) {
	if(version_compare(PHP_VERSION, '5.4.0', '>='))
		return json_encode($data, JSON_UNESCAPED_UNICODE);
 
	$code = PATH_SEPARATOR != ';' ? 'UCS-2BE' : 'UCS-2';
	$data = json_encode($data);
	return preg_replace("/\\\u([0-9a-f]{4})/ie", "iconv('$code', 'UTF-8', pack('H*', '$1'));", $data);
}