xml方式封装通信数据方法
public static function xmlToEncode($data) {
$xml = "";
foreach($data as $key => $value) {
$attr = "";
if(is_numeric($key)) {
$attr = " id='{$key}'";
$key = "item";
}
$xml .= "<{$key}{$attr}>";
$xml .= is_array($value) ?
self::xmlToEncode($value) : $value; $xml .= "</{$key}>\n"; } return $xml; }