3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php declare(strict_types=1); // so only PHP 7 will show up class FooBar { private $x; public function __construct() { var_dump($this); echo "Let's remove a property!", PHP_EOL; var_dump($this); echo "Let's add a property!", PHP_EOL; $this->x = 2; var_dump($this); echo "Where did the private come from?", PHP_EOL; } } $foobar = new Foobar;
based on lH3JO
Output for 7.0.0 - 7.2.0
object(FooBar)#1 (1) { ["x":"FooBar":private]=> NULL } Let's remove a property! object(FooBar)#1 (1) { ["x":"FooBar":private]=> NULL } Let's add a property! object(FooBar)#1 (1) { ["x":"FooBar":private]=> int(2) } Where did the private come from?
Output for 5.3.19 - 5.6.28
Warning: Unsupported declare 'strict_types' in /in/MeWv3 on line 3 object(FooBar)#1 (1) { ["x":"FooBar":private]=> NULL } Let's remove a property! object(FooBar)#1 (1) { ["x":"FooBar":private]=> NULL } Let's add a property! object(FooBar)#1 (1) { ["x":"FooBar":private]=> int(2) } Where did the private come from?