MySQL::BuildSQLInsert PHP Method

    public static function BuildSQLInsert($tableName, $valuesArray)
    {
        $columns = self::BuildSQLColumns(array_keys($valuesArray));
        $values = self::BuildSQLColumns($valuesArray, false, false);
        $sql = "INSERT INTO `" . $tableName . "` (" . $columns . ") VALUES (" . $values . ")";
        return $sql;
    }

 /**
  * Assigns a group to 1-n activities by adding entries to the cross table
  * (counterpart to assign_activityToGroups)
  *
  * @param array $groupID        groupID of the group to which the activities will be assigned
  * @param array $activityIDs    contains one or more activityIDs
  * @return boolean            true on success, false on failure
  * @author ob
  */
 public function assign_groupToActivities($groupID, $activityIDs)
 {
     if (!$this->conn->TransactionBegin()) {
         $this->logLastError('assign_groupToActivities');
         return false;
     }
     $table = $this->kga['server_prefix'] . "groups_activities";
     $filter['groupID'] = MySQL::SQLValue($groupID, MySQL::SQLVALUE_NUMBER);
     $d_query = MySQL::BuildSQLDelete($table, $filter);
     $d_result = $this->conn->Query($d_query);
     if ($d_result == false) {
         $this->logLastError('assign_groupToActivities');
         $this->conn->TransactionRollback();
         return false;
     }
     foreach ($activityIDs as $activityID) {
         $values['groupID'] = MySQL::SQLValue($groupID, MySQL::SQLVALUE_NUMBER);
         $values['activityID'] = MySQL::SQLValue($activityID, MySQL::SQLVALUE_NUMBER);
         $query = MySQL::BuildSQLInsert($table, $values);
         $result = $this->conn->Query($query);
         if ($result == false) {
             $this->logLastError('assign_groupToActivities');
             $this->conn->TransactionRollback();
             return false;
         }
     }
     if ($this->conn->TransactionEnd() == true) {
         return true;
     } else {
         $this->logLastError('assign_groupToActivities');
         return false;
     }
 }