{ "error_code": "500", "data": { "zhuang_tai": "token_no", "times": "1764538817" } }
<?php
namespace Box\Spout\Common;
/**
* Class Singleton
* Defines a class as a singleton.
*
* @package Box\Spout\Common
*/
trait Singleton
{
protected static $instance;
/**
* @return static
*/
final public static function getInstance()
{
return isset(static::$instance)
? static::$instance
: static::$instance = new static;
}
/**
* Singleton constructor.
*/
final private function __construct()
{
$this->init();
}
/**
* Initializes the singleton
* @return void
*/
protected function init() {}
final private function __wakeup() {}
final private function __clone() {}
}