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Show a display name instead of username



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    R_JR_J Ex-Fanboy Munich Admin

    Forget everything else and add this two lines to your /conf/config.php:

    $Configuration['Garden']['User']['ValidationRegex'] = '\\d\\w-_ äöüß';
    $Configuration['Garden']['User']['ValidationLength'] = '{3,20}';

    That way your users are able to choose whatever user name they like.
    You only need the second line if you want to change the max. length of a name

    If you want to give your users the ability to "fix" their names, add the following line to the config: $Configuration['Garden']['Profile']['EditUsernames'] = true;
    I would announce that possibility of changing the name and make it available for a restricted time.

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    Thanks @R_J !

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    vintproxvintprox New
    edited March 2019

    YES! Thank you, goodness! I was finding such solution whole day. It makes a trick for me in theme hook. I slightly modified it to fallback to username if display name was not set:

    <?php if (!defined('APPLICATION')) exit;
    class ForumThemeHooks implements Gdn_IPlugin {
        public function setup() {
            return true;
    if (!function_exists('userAnchor'))
        function userAnchor($User, $CssClass = null, $Options = NULL)
            static $NameUnique = null;
            if ($NameUnique === null) {
                $NameUnique = c('Garden.Registration.NameUnique');
            if (is_array($CssClass)) {
                $Options = $CssClass;
                $CssClass = null;
            } elseif (is_string($Options)) {
                $Options = array('Px' => $Options);
            $Px = val('Px', $Options, '');
            $DisplayName = GetUserDisplayName($User);
            $Text = val('Text', $Options, htmlspecialchars($DisplayName));
            $Attributes = array(
                'class' => $CssClass,
                'rel' => val('Rel', $Options)
            if (isset($Options['title'])) {
                $Attributes['title'] = $Options['title'];
            $UserUrl = userUrl($User, $Px);
            return '<a href="'.htmlspecialchars(url($UserUrl)).'"'.attribute($Attributes).'>'.$Text.'</a>';
        function GetUserDisplayName($User)
            $DisplayName = $User->Name;
            $SQL = Gdn::sql();
                    ->From('UserMeta u')
                    ->Where('u.UserID', $User->UserID)
                    ->Where('u.Name', "Profile.Fullname");
            $UserMeta = $SQL->Get()->FirstRow();
            if (isset($UserMeta->Value) and !empty($UserMeta->Value)) {
                $DisplayName = $UserMeta->Value;
            return $DisplayName;

    Well, yeah, activity titles are not affected by it as you noted. Seems like a problem with Vanilla+Smarty user modifier (applications/dashboard/views/activity/helper_functions.php, line 30, function Gdn_Format::to), but as expected behavior users mentioned in activity should convert to userAnchor result, but no luck today.

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