3v4l.org

run code in 300+ PHP versions simultaneously
<?php $closure = fn (string $str) => "hello {$str}"; echo $closure('via regular')."\n\n\n"; echo $closure->__invoke('via __invoke')."\n\n\n"; print_r(get_class_methods($closure));

preferences:
25.31 ms | 405 KiB | 5 Q