$search = $link['tags']; // build search string, start with tags of current link
if (strlen(trim($link['description'])) && strpos($link['description'], '#') !== false) {
// description given and at least one possible tag found
$search = $link['tags']; // build search string, start with tags of current link
if (strlen(trim($link['description'])) && strpos($link['description'], '#') !== false) {
// description given and at least one possible tag found