3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php class X { public $call; public function __construct() { $this->call = function () { echo "x"; }; } public function call($v) { echo $v; } } $object = new X; [$object, 'call', ['b']]();
based on I3Gf8
Output for 7.0.0 - 7.2.0
Fatal error: Uncaught Error: Function name must be a string in /in/9GPe0:16 Stack trace: #0 {main} thrown in /in/9GPe0 on line 16
Process exited with code 255.
Output for 5.4.10 - 5.6.28
Parse error: syntax error, unexpected '(' in /in/9GPe0 on line 16
Process exited with code 255.
Output for 5.3.20 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/9GPe0 on line 16
Process exited with code 255.