3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { private $name = 'john'; function say() { echo $this->name; } } class Foo2 extends Foo { private $name = 'lisa'; } Closure::fromCallable([new Foo2(), 'say'])->call(new Foo()); // good Closure::fromCallable([new Foo(), 'say'])->call(new Foo2()); // bad
Output for 8.5.0 - 8.5.3
john Warning: Cannot rebind scope of closure created from method, this will be an error in PHP 9 in /in/jM1rt on line 20
Output for 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18
john Warning: Cannot rebind scope of closure created from method in /in/jM1rt on line 20
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