3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo cal_days_in_month(CAL_GREGORIAN,7,2013);
Output for 7.1.20 - 7.3.1
Fatal error: Uncaught Error: Call to undefined function cal_days_in_month() in /in/ltZoW:2 Stack trace: #0 {main} thrown in /in/ltZoW on line 2
Process exited with code 255.
Output for 4.3.0 - 7.1.10
31