// run through each field
for ($k = 0; $k < $nf = db_num_fields($res2); $k++)
{
- // identify null values and save them as null instead of ''
- if ($field_type[$k] != "" && $field_type[$k] != "NO" && $row2[$k] == "")
- $out .= "NULL";
- else
- $out .= "'" . db_escape($row2[$k]) . "'";
+ $out .= db_escape($row2[$k]);
if ($k < ($nf - 1))
$out .= ", ";
}