Pommo_Rules::deleteRule PHP Method

    function deleteRule($gid, $fid, $logic)
    {
        global $pommo;
        $dbo =& Pommo::$_dbo;
        $where = $logic == 'is_in' || $logic == 'not_in' ? "AND field_id=0 AND rule_id=%i" : "AND field_id=%i";
        $query = "\n            DELETE FROM " . $dbo->table['group_rules'] . "\n            WHERE group_id=%i AND logic='%s' " . $where;
        $query = $dbo->prepare($query, array($gid, $logic, $fid));
        return $dbo->affected($query);
    }

 function addFieldRule(&$group, &$field, &$logic, &$values, $type = 0)
 {
     global $pommo;
     $dbo =& Pommo::$_dbo;
     $type = $type == 'or' ? 1 : 0;
     // remove previous filters
     Pommo_Rules::deleteRule($group, $field, $logic);
     // get the field
     require_once Pommo::$_baseDir . 'classes/Pommo_Fields.php';
     $field = current(Pommo_Fields::get(array('id' => $field)));
     foreach ($values as $value) {
         // if this is a date type field, convert the values from human readable date
         //  strings to timestamps appropriate for matching
         if ($field['type'] == 'date') {
             $value = Pommo_Helper::timeFromStr($value);
         }
         $v[] = $dbo->prepare("(%i,%i,'%s','%s',%i)", array($group, $field['id'], $logic, $value, $type));
     }
     $query = "\n\t\t\tINSERT INTO " . $dbo->table['group_rules'] . "\n\t\t\t(group_id, field_id, logic, value, type)\n\t\t\tVALUES " . implode(',', $v);
     return $dbo->affected($query);
 }