3v4l.org

run code in 300+ PHP versions simultaneously
<?php $Mdcnt = array("0","31","28","31","30","31","30","31","31","30","31","30","31"); for($i=20140329 ; $i<=20140402;$i++){ $year = substr($i,0,4); $mon = intval(substr($i,4,2)); $day = intval(substr($i,6,2)); if($mon >13 or $mon < 1) break; if($day >$Mdcnt[$mon] or $day < 1) break; $days = sprintf("%04d%02d%02d",$year,$mon,$day); print $days."\n"; } ?>
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, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 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 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
20140329 20140330 20140331
preferences:
269.14 ms | 406 KiB | 460 Q