function build_tree($comments)
{
if ($comments) {
$result = "<ul>\n";
foreach ($comments as $comment) {
$result .= "<li>";
$result .= $comment->id;
$result .= "</li>\n";
// $count = Comment::findorFail(2)->childrens;
$children = Comment::findorFail($comment->id)->childrens;
if (isset($children)) {
$result .= build_tree($children);
}
$result .= "</li>\n";
}
$result .= "</ul>";
return $result;
}
}
