<?php public function __invoke(Request $request, $collection, $entry)
{
if (! $target = $entry->revision($request->revision)) {
dd('no such revision', $request->revision);
}
<?php public function __invoke(Request $request, $collection, $entry)
{
if (! $target = $entry->revision($request->revision)) {
dd('no such revision', $request->revision);
}