- Fixed a "bug" with in_array. Behaves strangely when the key is of type long.

  When $field was 0 it would return true, causing SQL errors. Seems to
  convert the string its being matched with to a numeric, normally 0. Forced
  $field to be treated as a string by enclosing it in quotes.

includes/node.inc

@@ -74,8 +74,8 @@ function node_save($node, $filter) {
     $u2 = array();
 
     foreach ($node as $field=>$value) {
-      if (in_array($field, $filter)) {
-        if (in_array($field, $rows)) {
+      if (in_array("$field", $filter)) {
+        if (in_array("$field", $rows)) {
           array_push($u1, check_input($field) ." = '". check_input($value) ."'");
         }
         else {