<?php
class T {
private $attr = [1,2,3];
}
$t = function(){
var_dump($this->attr);
return $this;
};
$c1 = Closure::bind($t, new T(), 'T');
$c1();
var_dump($c1());
die;
abstract class T
{
static public $instanses;
final private function __construct(){
}
public static function getInstance()
{
var_dump(static::$instanses);
if (!(static::$instanses instanceof static)) {
static::$instanses = new static;
}
var_dump(static::$instanses);
return static::$instanses;
}
}
class A extends T
{
static public $instanses;
}
class B extends A
{
static public $instanses;
}
$t = A::getInstance();
var_dump($t);
$t1 = B::getInstance();
var_dump($t1);
new B();
?>