The filter validate_username sends and expects a boolean value, not a string. Hook into sanitize_user and use mb_strtolower(). Sample code, not tested: add_filter( ‘sanitize_user’, ‘wpse_83689_lower_case_user_name’ ); function wpse_83689_lower_case_user_name( $name ) { // might be turned off if ( function_exists( ‘mb_strtolower’ ) ) return mb_strtolower( $name ); return strtolower( $name ); }
You can get the current user ID with get_current_user_id( ): $user_id = get_current_user_id( ); The user ID can be used to get the userdata with get_userdata( ): $user_data = get_userdata( $user_id ); With that information you should be able to fetch the requested Post with WP_Query. For example (by users nicename): $query = new WP_Query( … Read more
Yes sure you can, just update the appropriate option inside your given function.. update_option( ‘users_can_register’, 1 ); It’s a checkbox option, so the value is 1 = on, 0 = off.. Hope that helps..
For something like this, I would look to the Gravity Forms plugin. http://gravityforms.com It allows you to have conditional logic, where a field only shows up if a certain field is selected. For this situation, I would make different gravity forms that only display if a checkbox is marked (reseller/partner…and so on). This way you … Read more
Regsitration form on External page
I use the SI CAPTCHA Anti-Spam Plugin in combination with protecting the Site with Cloudflare. Got rid of 99,9% of the Registrationspam, from over a thousand a day to 1-2 a day.
If you look at the source of the file you can see that it doesn’t do anything even if you were to include it except add a warning that “This file no longer needs to be included”. So those tutorials are out of date. You don’t need to include it. The file you actually need … Read more
This is an easy way to get to get emails upon user registration – just needs to be added to your function.php file. function registration_email_alert($user_id) { $message = strip_tags($_POST[‘user_login’]). ‘ – ‘ . strip_tags($_POST[‘user_email’]) . ‘ Has Registered To Your Website’; wp_mail( ‘[email protected]’, ‘New User Has Registered’, $message ); } add_action(‘user_register’, ‘registration_email_alert’); I’m sure there’s … Read more
Unique registration for new writers to sign up
Override default new user registration email with custom message (non sub-domain multi-site installation)