3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php fopen("http://www.google.com");
Output for 4.3.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
Warning: fopen() expects at least 2 parameters, 1 given in /in/NdOTj on line 2
Output for hhvm-3.10.0
Warning: fopen() expects at least 2 parameters, 1 given in /in/NdOTj on line 9