3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo "Result for Saturday, January 1, 2000:"; $d = cal_to_jd(CAL_GREGORIAN, 1, 1, 2000); print_r(cal_from_jd($d, CAL_GREGORIAN)); echo "\n\n"; echo "Result for Sunday, January 2, 2000:"; $d = cal_to_jd(CAL_GREGORIAN, 1, 2, 2000); print_r(cal_from_jd($d, CAL_GREGORIAN));
Output for 7.1.20 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Result for Saturday, January 1, 2000: Fatal error: Uncaught Error: Call to undefined function cal_to_jd() in /in/onLVO:3 Stack trace: #0 {main} thrown in /in/onLVO on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10
Result for Saturday, January 1, 2000:Array ( [date] => 1/1/2000 [month] => 1 [day] => 1 [year] => 2000 [dow] => 6 [abbrevdayname] => Sat [dayname] => Saturday [abbrevmonth] => Jan [monthname] => January ) Result for Sunday, January 2, 2000:Array ( [date] => 1/2/2000 [month] => 1 [day] => 2 [year] => 2000 [dow] => 0 [abbrevdayname] => Sun [dayname] => Sunday [abbrevmonth] => Jan [monthname] => January )

preferences:
240.46 ms | 405 KiB | 354 Q