Fatal error: Uncaught TypeError: mktime(): Argument #4 ($month) must be of type ?int, string given in /home/gcrgcr20/public_html/contest-gcr.php:24 Stack trace: #0 /home/gcrgcr20/public_html/contest-gcr.php(24): mktime(0, 0, 0, '04.p', 1, '24') #1 {main} thrown in /home/gcrgcr20/public_html/contest-gcr.php on line 24