Zoo Visitor "form array" bug fix.

gistfile1.aw

// Starts around line 1100 of zoo_visitor_lib.php
foreach ($query->result_array() as $row)
{
    /**
     * @author  Stephen Lewis
     *
     * Additional check to ensure that $_POST data is a string. Ensures ZV 
     * doesn't choke on DropDate, or any other "array" fields.
     */

    $field_name = $row['field_name'];

    $value = (isset($_POST[$field_name]) && is_string($_POST[$field_name]))
      ? $_POST[$field_name] : '';

    /* End of modifications. */

    $screen_name = str_replace('field_id_' . $row['field_id'], $value,
      $screen_name);
}