supernova-ws / SuperNova

   *

   * @return array

   */

  public static function filter(&$array, $callback) {

    $result = array();

    if (is_array($array) && !empty($array)) {

      foreach ($array as $value) {

        if (call_user_func($callback, $value)) {

          $result[] = $value;

        }

      }

    }

    return $result;

  }

  /**

   * Filter empty() values from array

  }

  // TODO - redo as callable usage with array_map/array_walk

  public function safeValues($values) {

    $result = array();

    if (!is_array($values) || empty($values)) {

      return $result;

    }

    foreach ($values as $key => $value) {

      $result[$key] = $this->castAsDbValue($value);

    }

    return $result;

  }

  // TODO - redo as callable usage with array_map/array_walk

  public function safeFields($fields) {

  }

  // TODO - redo as callable usage with array_map/array_walk

  public function safeFields($fields) {

    $result = array();

    if (!is_array($fields) || empty($fields)) {

      return $result;

    }

    foreach ($fields as $key => $value) {

      $result[$key] = "`" . $this->db_escape($value) . "`";

    }

    return $result;

  }

  /**