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<?php class X { // public $call; public function __construct() { // $this->call = function () { echo "x"; }; } public function call() { echo "y"; } } $object = new X; ($object->call)();
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 property: X::$call in /in/6PSd5 on line 17 Fatal error: Uncaught Error: Value of type null is not callable in /in/6PSd5:17 Stack trace: #0 {main} thrown in /in/6PSd5 on line 17
Process exited with code 255.
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined property: X::$call in /in/6PSd5 on line 17 Fatal error: Uncaught Error: Function name must be a string in /in/6PSd5:17 Stack trace: #0 {main} thrown in /in/6PSd5 on line 17
Process exited with code 255.
Output for 7.3.32 - 7.3.33
Fatal error: Uncaught Error: Function name must be a string in /in/6PSd5:17 Stack trace: #0 {main} thrown in /in/6PSd5 on line 17
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/6PSd5 on line 17
Process exited with code 255.
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