3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php print base64_encode("http://google.com?asdfsadfsd=asdf&asdfsdf=asd+fdf"); preg_match('/[\w%]+/i', '%', $matches); var_dump($matches);
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
aHR0cDovL2dvb2dsZS5jb20/YXNkZnNhZGZzZD1hc2RmJmFzZGZzZGY9YXNkK2ZkZg==array(1) { [0]=> string(1) "%" }