Missing file doc comment

Missing doc comment for class WPORG_GP_Translation_Events_Translation_Listener

Missing member variable doc comment

Missing doc comment for function __construct()

Missing doc comment for function start()

Missing doc comment for function handle_action()

Missing short description in doc comment

Parentheses must be used when instantiating a new class

Short array syntax is not allowed

Use placeholders and $wpdb->prepare(); found interpolated variable $table_name at "insert ignore into $table_name (event_id, user_id, translation_id, action, locale) values (%d, %d, %d, %s, %s)"