user registration - Force display name to nickname wp

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I wondered if anyone has a solution for the following scenario i would like to force when a user registers Display name publicly to Nickname by default instead of first name and last name which is what is set by default in WP.

Many thanks in advance JM

I wondered if anyone has a solution for the following scenario i would like to force when a user registers Display name publicly to Nickname by default instead of first name and last name which is what is set by default in WP.

Many thanks in advance JM

• user-registration

Share Improve this question asked Feb 8, 2019 at 14:30 user160843user160843 1111 silver badge22 bronze badges 3

• one addition to the question the objective is that when users generate posts written by field displays their nickname. – user160843 Commented Feb 8, 2019 at 14:32
• You can edit your question to include that note, but before you do, can you reword it? I don't understand what you mean by "written by field" – Tom J Nowell ♦ Commented Feb 8, 2019 at 14:40
• I think they mean they want the byline on posts to use the author's nickname. – Jacob Peattie Commented Feb 8, 2019 at 15:33

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2 Answers 2

Sorted by: Reset to default 1

You can use the user_register hook, which is fired after the user is registered, to set the name to whatever you like:

function fix_user_display_name($user_id) {
    $user = get_user_by('id', $user_id);
    $display_name = $user->user_nicename;

    wp_update_user(array(
        'ID'           => $user_id,
        'display_name' => $display_name
    )) ;
}

add_action("user_register", "fix_user_display_name", 20);[1]

Hi Guys in response to further details on my answer, so basically i searched for plugin solutions in preference to adding code (i am not a developer) and found a plugin that does the job very well called change display name publicly as. Hope this feedback is relevant and helpful.

many thanks,

J

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