PHP常用方法整理

json_decode(json_encode(simplexml_load_string($xml, ‘SimpleXMLElement‘, LIBXML_NOCDATA)), true)

public  function build_query($data){
        $str=‘‘;
        if(is_array($data)){
            ksort($data);
            foreach ($data as $key=>$value){
                $str .= (empty($str) ? ‘‘ : ‘&‘ ) . $key . ‘=‘ . (is_array($value) ? ‘(‘ .self::build_query($value). ‘)‘ : $value);
            }
        }
        return $str;
    }