Fatal error: Uncaught Error: Call to undefined function cal_days_in_month() in /in/PkN1a:9
Stack trace:
#0 {main}
thrown in /in/PkN1a on line 9
Process exited with code 255.
Output for 7.1.0 - 7.1.7, 7.2.0
Recoverable fatal error: Object of class DateTime could not be converted to string in /in/PkN1a on line 9
Process exited with code 255.