<?php
$t = new stdClass();
$t->tets = 'sd';
var_dump(!empty($t->test));
die;
abstract class T
{
static public $instanses;
final private function __construct(){
}
public static function getInstance()
{
if (!(static::$instanses instanceof static)) {
static::$instanses = new static;
}
return static::$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();
?>
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0
bool(false)