3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $connect = @fopen('http://www.youtube.com/'); echo $connect !== false ? 'OK' : 'NO';
based on CdKTh
Output for 4.3.0 - 5.6.28, 7.0.0 - 7.1.0
NO
Output for hhvm-3.10.0 - 3.12.0
OK