Add this to my.ini
[wampmariadb64]
...
character_set_server = utf8mb4
collation_server = utf8mb4_general_ci
[mysqld]
...
character-set-client-handshake = FALSE
character-set-server = utf8mb4
collation-server = utf8mb4_general_ci
character-set-filesystem = utf8mb4
Rationale: Modern charsets and preventing multibyte attacks
[wampmariadb64]
...
character_set_server = utf8mb4
collation_server = utf8mb4_general_ci
[mysqld]
...
character-set-client-handshake = FALSE
character-set-server = utf8mb4
collation-server = utf8mb4_general_ci
character-set-filesystem = utf8mb4
Rationale: Modern charsets and preventing multibyte attacks
