Fatal error: Uncaught TypeError: mktime(): Argument #4 ($month) must be of type ?int, string given in /home/xb166562/fm-egao.jp/public_html/tokai/050702-2.php:9 Stack trace: #0 /home/xb166562/fm-egao.jp/public_html/tokai/050702-2.php(9): mktime(0, 0, 0, '', '', '2005') #1 {main} thrown in /home/xb166562/fm-egao.jp/public_html/tokai/050702-2.php on line 9