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 - 7.3.31, 7.4.0 - 7.4.25, 8.0.0 - 8.0.12, 8.1rc1 - rc3
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.

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