3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php socket_select();
Output for 7.0.0 - 7.1.0
Fatal error: Uncaught Error: Call to undefined function socket_select() in /in/qbHg7:2 Stack trace: #0 {main} thrown in /in/qbHg7 on line 2
Process exited with code 255.
Output for 4.3.0 - 5.3.29, hhvm-3.10.0 - 3.12.0
Warning: socket_select() expects at least 4 parameters, 0 given in /in/qbHg7 on line 2
Output for 5.4.0 - 5.6.28
Fatal error: Call to undefined function socket_select() in /in/qbHg7 on line 2
Process exited with code 255.