<?php
/**
* Class Singleton
*/
namespace LearnPress\Helpers;
trait Singleton {
private static $instance = null;
final public static function instance(): self {
if ( is_null( static::$instance ) ) {
static::$instance = new static();
}
return static::$instance;
}
final private function __construct() {
$this->init();
}
abstract function init();
}