3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php class A { private $a = [['a' => 'func']]; function func(){echo 'yay';} public function __construct() { foreach ($this->a as $a) ($this->$a)['a'](); } } new A;
based on vI5Xm
Output for 7.0.0 - 7.2.0
Notice: Array to string conversion in /in/UFnXn on line 12 Notice: Undefined property: A::$Array in /in/UFnXn on line 12 Fatal error: Uncaught Error: Function name must be a string in /in/UFnXn:12 Stack trace: #0 /in/UFnXn(15): A->__construct() #1 {main} thrown in /in/UFnXn on line 12
Process exited with code 255.
Output for 5.5.0 - 5.6.28
Parse error: syntax error, unexpected '[' in /in/UFnXn on line 12
Process exited with code 255.