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<?php class X { private $call; public function __construct() { $this->call = function () { echo "x"; }; } } $object = new X; ($object->call)();
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 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
Fatal error: Uncaught Error: Cannot access private property X::$call in /in/aRQA7:13 Stack trace: #0 {main} thrown in /in/aRQA7 on line 13
Process exited with code 255.
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Parse error: syntax error, unexpected '(' in /in/aRQA7 on line 13
Process exited with code 255.

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