Change global $userdata,$user_identity; to global $userdata, $current_user, $user_identity; Then change echo ‘<div class=”login”>’ . $before_widget . $before_title . “Welcome “.$user_identity . $after_title . ‘</div>’; to echo ‘<div class=”login”>’ . $before_widget . $before_title . “Welcome “.$current_user->user_firstname . $after_title . ‘</div>’; You can see all the info in the codex : http://codex.wordpress.org/Function_Reference/get_currentuserinfo
In a multi-site installation it is ‘wpmu_validate_user_signup’: add_filter( ‘wpmu_validate_user_signup’, ‘wpse_77904_mu_no_at_in_username’ ); function wpse_77904_mu_no_at_in_username( $user ) { if ( FALSE !== strpos( $user[‘user_name’], ‘@’ ) ) $user[‘errors’]->add(‘user_name’, __( ‘That username is not allowed.’ ) ); return $user; } On single-site it is ‘validate_username’: add_filter( ‘validate_username’, ‘wpse_77904_no_at_in_username’, 10, 2 ); function wpse_77904_no_at_in_username( $valid, $username ) { if … Read more
Is there a way to let the users edit their usernames? no. I think you summarized nicely why this should not be easily possible, since a change of user name will change the URLs of pages in the site something that only an admin should be able to do. Of course you can write a … Read more
/** * Set new user’s display name as their login. * * @link http://wordpress.stackexchange.com/q/138034/1685 * * @param int $user_id */ function wpse_138034_display_name_as_login( $user_id ) { if ( $user = get_user_by( ‘id’, $user_id ) ) { // Prevent infinite loop. remove_action( ‘user_register’, __function__ ); wp_update_user( array( ‘ID’ => $user_id, ‘display_name’ => $user->user_login, ) ); // All … Read more
WordPress has several functions for getting user information, for example the following ones: get_currentuserinfo() get_userdata() wp_get_current_user()
Yes, of course. Just provide new connection credentials. WordPress will use whatever database you tell it to. You can even use the same database with a different prefix. But it will probably be easier to regain access. See: https://codex.wordpress.org/Resetting_Your_Password
Chris Haugen, You need to check user role who have ‘artist’ role and then you need to act on some video loop stuff. Here’s the solution: $user = get_user_by(‘login’, $username ); if ( !empty( $user->roles ) && is_array( $user->roles ) ) { foreach ( $user->roles as $role ){ if($role == ‘artist’) media files loop } … Read more
You can try WordPress Special Characters in Usernames plugin. This plugin enables usernames containing special characters (russian, cyrillic, arabic) on your WordPress blog.
|| means OR. Your code will never allow $current_user to proceed because one of the OR conditions will fail. Try using AND && instead: if ( ($current_user->user_login != ‘john’) && ($current_user->user_login != ‘sheila’ ) ) {
The problem with changing usernames is that it’s a caching issue and that it breaks /author/username URLs. The URL breaking issue is obvious. The caching issue is less obvious. If you’re using a persistent object cache like memcached or something, then the username will be stored in that cache, and thus it won’t change properly … Read more