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<?php
namespace Ffcms\Core\Traits;
/**
* Class Singleton. Basic structure of singleton pattern.
* @package Ffcms\Core\Traits
*/
trait Singleton
{
protected static $instance;
* @return static
final public static function instance()
if (!isset(static::$instance)) {
static::$instance = new static;
static::boot();
}
return static::$instance;
public static function boot()
* Override constructor
final private function __construct()
$this->init();
// disable some magic
protected function init()
final private function __wakeup()
final private function __clone()
phpffcms /
ffcms-core
