profile page link on other websites -custom user field-

Hello all, I'm stuck at this point, I tried several options but I can't figure it out.

I want my members when they join the website to add their username from a specific website

What I need to know is how to make it so when they type their name it gets linked automaticaly with that other website

For example if they have account on example.com/profile/SPACED

So the members just type their name in the required field (in my case = spaced ) but it links to example.com/profile/SPACED

at the moment in custom user filed, I have it in category contact options and in properties the option type : text.
members can write their username like this, but of course it doesn't link to their profile.

so my my question where do I put the example.com/profile/ ?

thank you for reading.

Ok here is where I'm stuck

I tried to copy the php from twitter wcf\system\option\user\TwitterUserOptionOutput

I made a file with a name I want and name it FILE.php

I copied all the code from TwitterUserOptionOutput.php and replace the twitter links with the website I want to link too.

I add the file location in PHP Class Name for Output but I'm getting an error when I submit Unable to find the specified class.

Hi thank you for the reply, I have finally figure it out, here is what I did I hope this way this way is OK.

I made a new .php file and copied the content of TwitterUserOptionOutput.class.php

I name the new file the same way myfileUserOptionOutput.class.php
and here in red is what I replaced

Quote

application/x-httpd-php TwitterUserOptionOutput.class.php
PHP script text

<?php
namespace wcf\system\option\user;
use wcf\data\user\option\UserOption;
use wcf\data\user\User;
use wcf\util\StringUtil;

/**
* User option output implementation for the output of a twitter user profile.
*
* @Author Werk
* @copyright 2001-2014 WoltLab GmbH
* @license GNU Lesser General Public License <http://opensource.org/licenses/lgpl-license.php>
* @package com.woltlab.wcf
* @subpackage system.option.user
* @category Community Framework
*/
class TwitterUserOptionOutputimplements IUserOptionOutput {
/**
* @see \wcf\system\option\user\IUserOptionOutput::getOutput()
*/
public function getOutput(User $user, UserOption $option, $value) {
if (empty($value)) return '';

$url = StringUtil::encodeHTML('http: /twitter.com/'.$value);
$value = StringUtil::encodeHTML($value);

return '<a href="'.$url.'" class="externalURL"'.(EXTERNAL_LINK_REL_NOFOLLOW ? ' rel="nofollow"' : '').(EXTERNAL_LINK_TARGET_BLANK ? ' target="_blank"' : '').'>'.$value.'</a>';
}
}

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and in properties - > PHP Class Name for Output the following wcf\system\option\user\myfileUserOptionOutput(without .class.php that was causing the error I think)