February 12, 2011 
Definition:
function get_comment_author_link( $comment_ID = 0 ) {}
Retrieve the html link to the url of the author of the current comment.
Parameters
- int $comment_ID: The ID of the comment for which to get the author’s link. Optional.
Return values
returns:Comment Author name or HTML link for author’s URL
Defined filters
- get_comment_author_link
apply_filters('get_comment_author_link', $return)
Source code
function get_comment_author_link( $comment_ID = 0 ) {
/** @todo Only call these functions when they are needed. Include in if... else blocks */
$url = get_comment_author_url( $comment_ID );
$author = get_comment_author( $comment_ID );
if ( empty( $url ) || 'http://' == $url )
$return = $author;
else
$return = "<a href='$url' rel='external nofollow' class='url'>$author</a>";
return apply_filters('get_comment_author_link', $return);
}
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