3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo base64_decode('aHR0cHM6Ly9tLmZhY2Vib29rLmNvbT9mYl9zaWdudXA9dHJ1ZQ==');
Output for 4.3.0 - 7.2.0
https://m.facebook.com?fb_signup=true