protected function _insertDB() { $insert = new Query(); $insert->Delete("DELETE FROM ships_field WHERE user_id=1;"); $coordinatesArray = array(); $x = 0; foreach ($this->_inData as $key => $data) { $coordinatesArray[$x] = $key; $x++; } $insert->Insert("INSERT INTO ships_field (ships_coordinates, user_id)\n VALUES ('" . implode("/", $coordinatesArray) . "', 1);"); }