3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { private $bar = 'oh yea'; public function foo() { return new class { function bar() { return $this->bar; } }; } } var_dump((new Foo)->foo()->bar());
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
Warning: Undefined property: class@anonymous::$bar in /in/gZXQj on line 10 NULL
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.31, 7.4.0 - 7.4.33
Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; Foo has a deprecated constructor in /in/gZXQj on line 3 Notice: Undefined property: class@anonymous::$bar in /in/gZXQj on line 10 NULL
Output for 7.3.32 - 7.3.33
NULL
Output for 5.4.2 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.21
Parse error: syntax error, unexpected 'class' (T_CLASS) in /in/gZXQj on line 8
Process exited with code 255.
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197.11 ms | 402 KiB | 227 Q