3v4l.org

run code in 300+ PHP versions simultaneously
<?php function struct(string $name, array $class) { $class = serialize($class); define($name, $class); } function create(array $class) { $array = []; foreach($class as $key => $value) { if(is_array($value)) $array =+ [$key => create($value)]; else $array += [$key => $value]; } return $array; } function call(array &$class, string $member, ...$args) { if(!isset($class[$member])) exit($member.' is not a member of the class.'); else { if(!is_callable($class[$member])) return $class[$member]; else { if(!isset($args[0])) $class[$member]($class); } } } define('myClass', [ 'foo' => 'Hello World!' ]); $obj = create(myClass); echo(call($obj, 'foo'));
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
Hello World!
Output for 5.6.8 - 5.6.28
Warning: Constants may only evaluate to scalar values in /in/p47VU on line 26 Notice: Use of undefined constant myClass - assumed 'myClass' in /in/p47VU on line 27 Catchable fatal error: Argument 1 passed to create() must be of the type array, string given, called in /in/p47VU on line 27 and defined in /in/p47VU on line 6
Process exited with code 255.
Output for 5.5.24 - 5.5.35
Parse error: syntax error, unexpected '.', expecting '&' or variable (T_VARIABLE) in /in/p47VU on line 14
Process exited with code 255.

preferences:
133.09 ms | 401 KiB | 183 Q