3v4l.org

run code in 300+ PHP versions simultaneously
<?php class My_Class { const CLASS_CONSTANT = 'test value'; private $x = array(1,2,3); private function my_function() { $self = $this; $lambda_function = function() use ($self) { echo $self::CLASS_CONSTANT; print_r($self::$x); }; $lambda_function(); } public function start() { $this->my_function(); } } $obj = new My_Class; $obj->start();
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
test value Fatal error: Uncaught Error: Access to undeclared static property My_Class::$x in /in/kMj1X:11 Stack trace: #0 /in/kMj1X(14): My_Class->{closure}() #1 /in/kMj1X(18): My_Class->my_function() #2 /in/kMj1X(23): My_Class->start() #3 {main} thrown in /in/kMj1X on line 11
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 - 7.3.33, 7.4.0 - 7.4.33
test value Fatal error: Uncaught Error: Access to undeclared static property: My_Class::$x in /in/kMj1X:11 Stack trace: #0 /in/kMj1X(14): My_Class->{closure}() #1 /in/kMj1X(18): My_Class->my_function() #2 /in/kMj1X(23): My_Class->start() #3 {main} thrown in /in/kMj1X on line 11
Process exited with code 255.
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
test value Fatal error: Access to undeclared static property: My_Class::$x in /in/kMj1X on line 11
Process exited with code 255.

preferences:
279.1 ms | 402 KiB | 376 Q