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I want to convert all anonymous comments that have already been posted into a registered user using the username and a randomly generated password.

I really don't know where to begin with this.

I also want to convert new anonymous commenters into a registered user. If I add a hook into functions.php using register_new_user will it automatically generate a random password for the user and email them, or do I need to make a password field under the comment form as well?

Here is my comment form when a user is not registered:

enter image description here

Here is what my code for the comment form looks like:

args = array(

    'comment_field' =>  '<div class="form-group the-comment-form"><label for="comment" class="custom-avatar">' . $useravatar_custom .

      '</label><div id="' . $textareaId . '"><textarea id="comment" class="form-control" name="comment" cols="45" rows="8" aria-required="true" placeholder="Join the discussion..."></textarea></div></div>',      

    'fields' => apply_filters( 'comment_form_default_fields', array(

      'author' =>

        '<div class="form-group comments-name">' .

        '<label for="author">' . __( 'Username', 'usertheme' ) . '</label> ' .

        ( $req ? '<span class="required">*</span>' : '' ) .

        '<input id="author" name="author" class="form-control" type="text" value="' . esc_attr( $commenter['comment_author'] ) .

        '" size="30"' . $aria_req . ' /></div>',


      'email' =>

        '<div class="form-group comments-email"><label for="email">' . __( 'Email', 'usertheme' ) . '</label> ' .

        ( $req ? '<span class="required">*</span>' : '' ) .

        '<input id="email" name="email" class="form-control" type="text" value="' . esc_attr(  $commenter['comment_author_email'] ) .

        '" size="30"' . $aria_req . ' /></div>'

As you see, there is a name and email required. What I want to do is make it register a new user. But I also want to generate a random password for the user.

Do I need to add a password field to the comment form? Or do I need to use the wordpress create password function? Or if I use register_new_user will it automatically generate a random password and email the user their new login details?

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The register_new_user triggers after the user has been created when the register_new_user() function runs and it will give you the $id of the new user that has been created.

If you are using register_new_user() you dont need a password field, wordpress will create one a send it using the email provided to the user.

So yes, using the function will create the user and generate a password, and this logins details will be send to the user.

  • I realized this only answered only part of my question, I upvoted but can't accept because it's not a complete answer. – user6686780 Feb 20 '17 at 0:25

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