[PHP-WEBMASTER] [web-php] PR #1180: Reuse existing output

Pull Request: Reuse existing output by Girgias · Pull Request #1180 · php/web-php · GitHub
Author: Girgias

@soyuka my JS skills are very rusty, so there might be a better and less tag dependent way on doing this.

But this allows reusing the existing output for examples if it exists.