3v4l.org

run code in 300+ PHP versions simultaneously
<?php class a { public static $foo = 'bar'; public function getStatic(){ return self::$foo; } } class b { public $classname = 'a'; } $b = new b(); echo $b->classname->$foo;
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: Undefined variable $foo in /in/3YWdd on line 15 Warning: Attempt to read property "" on string in /in/3YWdd on line 15
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined variable: foo in /in/3YWdd on line 15 Notice: Trying to get property '' of non-object in /in/3YWdd on line 15
Output for 7.3.32 - 7.3.33
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33
Notice: Undefined variable: foo in /in/3YWdd on line 15 Notice: Trying to get property of non-object in /in/3YWdd on line 15
preferences:
283.94 ms | 403 KiB | 375 Q