+function cmd_return($val, $desc)
+{
+ return array('val' => $val, 'desc' => $desc);
+}
+
+function cmd_serialize($attrs)
+{
+ $ret = "";
+
+ $sep = "";
+ foreach ($attrs as $key => $value) {
+ $ret .= $sep . $key . '=' . urlencode($value);
+ $sep = "&";
+ }
+ return $ret;
+}
+
+function cmd_deserialize($cmd)
+{
+ $ret = array();
+ $a = explode('&', $cmd);
+ $i = 0;
+ while ($i < count($a)) {
+ $b = split('=', $a[$i]);
+ $ret[urldecode($b[0])] = urldecode($b[1]);
+ $i++;
+ }
+
+ return $ret;
+}
+