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<?php
/**
* Singleton class trait.
*
* @package EverestForms\Traits
*/
namespace EverestForms\Traits;
/**
* Singleton trait.
*/
trait Singleton {
/**
* Holds single instance of the class.
*
* @var null|static
*/
private static $instance = null;
/**
* Get instance of the class.
*
* @return static
*/
final public static function init() {
if ( is_null( static::$instance ) ) {
static::$instance = new static();
}
return static::$instance;
}
/**
* Constructor.
*/
protected function __construct() {}
/**
* Disable un-serializing of the class.
*
* @return void
*/
public function __wakeup() {}
/**
* Disable cloning of the class.
*
* @return void
*/
public function __clone() {}
}