Fatal error: Uncaught Error: [] operator not supported for strings in /home/kumamoto-sanpo/seminar_app/Main.php:30
Stack trace:
#0 /home/kumamoto-sanpo/www/seminar/index.php(7): seminar_app\Main->index()
#1 {main}
thrown in /home/kumamoto-sanpo/seminar_app/Main.php on line 30