comment_author_email; $size = 32; $default = get_template_directory_uri() .'/images/gravatar.png'; $gravatar = 'http://www.gravatar.com/avatar.php?gravatar_id='.md5($email).'&size='.$size.'&default='.urlencode($default); if ( get_comment_type() == "comment" ) { if ( $comment->comment_author_url ) { $pattern = "/((.+?)<\/a>)/ie"; $replacement = '(" \4")'; } else { $pattern = "/(([^']*.))/ie"; $replacement = '(" \2")'; } return preg_replace($pattern, $replacement, $string); } else { return $string; } } if ( !is_admin() ) add_filter('get_comment_author_link', 'gravatar'); ?>