3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { private $foo =2; } class Hydrator { public function getPrivate($obj, $attribute) { $getter = function(){return $this->$attribute;}; return \Closure::bind($getter, $obj); } } $hydrated = new Hydrator(); $obj = new Foo(); $getter = $hydrated->getPrivate($obj, 'foo'); var_dump($getter());
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 variable $attribute in /in/V0gKE on line 10 Warning: Undefined property: Foo::$ in /in/V0gKE on line 10 NULL
Output for 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 variable: attribute in /in/V0gKE on line 10 Notice: Undefined property: Foo::$ in /in/V0gKE on line 10 NULL
Output for 7.3.32 - 7.3.33
NULL
Output for 7.0.0 - 7.0.20
Notice: Undefined variable: attribute in /in/V0gKE on line 10 Fatal error: Uncaught Error: Cannot access empty property in /in/V0gKE:10 Stack trace: #0 /in/V0gKE(19): Hydrator->{closure}() #1 {main} thrown in /in/V0gKE on line 10
Process exited with code 255.
Output for 5.5.24 - 5.5.35, 5.6.8 - 5.6.28
Notice: Undefined variable: attribute in /in/V0gKE on line 10 Fatal error: Cannot access empty property in /in/V0gKE on line 10
Process exited with code 255.
preferences:
157.76 ms | 402 KiB | 226 Q