supernova-ws / SuperNova

classes/Common/Traits/TSingleton.php

<?php
/**
 * Created by Gorlum 03.09.2019 1:26
 */

namespace Common\Traits;


trait TSingleton {

  private static $_me = null;

  /**
   * @return static|null
   */
  public static function me() {
    if (empty(static::$_me)) {

Since $_me is declared private, accessing it with static will lead to errors in possible sub-classes; you can either use self, or increase the visibility of $_me to at least protected.

      static::$_me = new static();
    }

    return static::$_me;
  }

}