Default charset=utf8mb4

- Php default charset utf8mb4
- Engine=innodb default charset=utf8mb4
- Default charset=utf8mb4 collate=utf8mb4_unicode_ci
- Mariadb default charset utf8mb4
- Mysql default charset utf8mb4
- Default charset=utf8mb4 collate=utf8mb4_0900_ai_ci
- Mysql set default charset utf8mb4
- Mysql engine=innodb default charset=utf8mb4
- Default charset=utf8mb4 collate=utf8mb4_bin
- Default charset=utf8mb4 collate=utf8mb4_general_ci