Illegal variable watch _files or http://tmbuniversity.info/?k=%D1%84%D0%B0%D0%B1%D0%B5%D1%80%D0%BB%D0%B8%D0%BA-%D0%BA%D1%83%D0%BF%D0%B8%D1%82%D1%8C-%D0%B2-%D0%BA%D0%B8%D0%B5%D0%B2%D0%B5&4a7=c2 _env or here _get or follow url _post or source link _cookie or go here _server or _session or globals passed to script.