zend framework mariadb connection setting

application config:

resources.db.adapter = “pdo_mysql”
resources.db.params.host = “mariadb55.host.xx”
resources.db.params.port = “3310”
resources.db.params.username = “user”
resources.db.params.password = “pass”
resources.db.params.dbname = “db_name”
resources.db.params.charset = utf8
resources.db.params.unix_socket = ‘/tmp/mariadb55.sock’