How to show user [Commentator] role in commment page of wordpress

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i am trying to show wordpress registered users role like – subscriber, author, editor etc.

into comment page of wordpress.

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for that i created this code 

<?php //get the commented user id
$user_id   = get_comment(get_comment_ID())->user_id;

if ($user_id)
{
    $user_info = get_userdata($user_id );
    echo implode(', ', $user_info->roles) ;
} ?>

it is working fine for me

If commentator’s name is KING KHAN and he is subscriber then it shows

KING KHAN [subscriber]

but if the user is being deleted then into the comment page in comment of that user it shows

KING KHAN[ Warning: implode(): Invalid arguments passed in /home/USERACCOUNT/public_html/wp-includes/class-walker-comment.php on line 277]

Here instead of this i want to show

KING KHAN[Member Deleted]

please edit above code for this

Post Views: 1

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2 comments 

  1. <?php //get the commented user id
$user_id   = get_comment(get_comment_ID())->user_id;

if ($user_id)
{
    $user_info = get_userdata($user_id );
    if ( isset($user_info->roles) ) {
       echo implode(', ', $user_info->roles) ;
    } else {
       echo 'Member Deleted';
    }
} ?>

  2. You need to use condition as I did on following code. 

    if ($user_id)
{
    $user_info = get_userdata($user_id );
    if(isset($user_info) && is_array($user_info->roles)) {
       echo implode(', ', $user_info->roles) ;
    }else{
       echo "Member Deleted";
    }

}

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