講義
Fatal error: Uncaught mysqli_sql_exception: Access denied for user ''@'localhost' (using password: NO) in /var/www/html/mykonan/mk_mod.php:7 Stack trace: #0 /var/www/html/mykonan/mk_mod.php(7): mysqli->__construct() #1 /var/www/html/mykonan/mk_mod.php(203): mk_sql_init() #2 /var/www/html/mykonan/index.php(45): initializeGraph() #3 {main} thrown in /var/www/html/mykonan/mk_mod.php on line 7