stringify_array_elms() could return weird results if the initial array key was not zero. this could trigger obscure bugs e.g. adding an empty string value to the recipients array in the notifier which could then select some broken hubloc/xchan entries.

include/text.php

@@ -2456,8 +2456,8 @@ function magic_link($s) {
  * @param boolean $escape (optional) default false
  */
 function stringify_array_elms(&$arr, $escape = false) {
-	for($x = 0; $x < count($arr); $x ++)
-		$arr[$x] = "'" . (($escape) ? dbesc($arr[$x]) : $arr[$x]) . "'";
+	foreach($arr as $k => $v)
+		$arr[$k] = "'" . (($escape) ? dbesc($v) : $v) . "'";
 }