Did you try something like this :
[psfd_php]
if ( 0 != get_current_user_id() ) {
$suffix_url = get_the_author_meta( ‘user_description’, get_current_user_id() );
} else {
$suffix_url = ‘Not logged in user’;
}
echo ‘<iframe width=”362″ height=”395″ src=”https://something.com/’.$suffix_url.'” frameborder=”0″></iframe>’;
[/psfd_php]
I use get_the_author_meta instead of just the_author_meta because you need to store the value in a variable, and not just display it.
In this example, I think you should modify the “else” of the conditions, because it will give you an unreachable URL.
Best Regards,
PluginlySpeaking