<?php
trait Singleton
{
protected static $instance;
final public static function getInstance()
{
if (!isset(static::$instance)) {
static::$instance = new static;
}
return static::$instance;
}
}
abstract class Abudabia {
use Sigleton;
}
class a1 extends Abudabia {
public function set {
return 'allah ahbar';
}
}
class a2 extends Abudabia {
public function get {
return 'algazira';
}
}
$a = a1::getInstance();
$b = a2::getInstance();
var_dump($a->set(),$b->get());