Add custom css to specific user

In the code that you proposes the selector only works if previously added the attributes in the HTML. It is easier if you load a specific stylesheet just for certain users: Create a new CSS file with the specific styles, something like specific.css .just-for-user-b { color: #ffffff; } Add this code to your functions.php <?php … Read more

Transform user name before displaying

Hard to say without seeing any code as to how you are building it out but one suggestion would be to update the field on submit prior to running your register_new_user function. PHP strtolower() Function can be used when passing the data to your custom field Javascript/jQuery you can use .toLowerCase() on the field

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)