3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php echo cal_days_in_month(CAL_GREGORIAN, 9, 2014);
based on K2elh
Output for 4.3.0 - 5.6.28, 7.0.0 - 7.1.0
30
Output for hhvm-3.10.0 - 3.12.0
Fatal error: Call to undefined function cal_days_in_month() in /in/gKdk4 on line 3
Process exited with code 255.