<?php
trait Singleton
{
protected static $instance;
public static function getInstance(){
if (!isset(static::$instance)) {
$a = new static();
static $instance = 'aaa';
}
return static::$instance;
}
}
abstract class Abudabia {
use Singleton;
}
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,$b);
- Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
- NULL
NULL
- Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29
- Parse error: syntax error, unexpected T_STRING in /in/aitBI on line 2
Process exited with code 255. - Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
- Parse error: parse error, unexpected T_STRING in /in/aitBI on line 2
Process exited with code 255. - Output for 4.3.2 - 4.3.4
- Parse error: parse error in /in/aitBI on line 2
Process exited with code 255.
preferences:
202.76 ms | 401 KiB | 323 Q