3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { private $bar = 'baz'; } $reader = function & ($object, $property) { $value = & Closure::bind(function & () use ($property) { return $this->$property; }, $object, $object)->__invoke(); return $value; }; $foo = new Foo(); $bar = & $reader($foo, 'bar'); $bar = 'tab'; var_dump($foo);
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.31, 8.2.0 - 8.2.26, 8.3.0 - 8.3.14, 8.4.1 - 8.4.2
object(Foo)#2 (1) { ["bar":"Foo":private]=> &string(3) "tab" }
Output for 5.3.0 - 5.3.29
Fatal error: Call to undefined method Closure::bind() in /in/nCMor on line 9
Process exited with code 255.
preferences:
78.02 ms | 406 KiB | 5 Q