Can you use something like APC to cache the instance variable so that it's persistent across different sessions? Thank you, Micah Gersten onShore Networks Internal Developer http://www.onshore.com Nathan Rixham wrote: > Colin Guthrie wrote: >> 'Twas brillig, and Nathan Rixham at 10/01/09 23:31 did gyre and gimble: >>> all I need is a completely unique id for each object instance that >>> can never be repeated at any time, even in a multiserver environment >>> (and without using any kind of incremented value from a db table or >>> third party app) >>> >>> thoughts, ideas, recommendations? >> >> While it's not guaranteed to be unique the general technique used in >> these situations is to use a UUID. The chances of a clash are slim >> (2x10^38 ish combinations). >> >> You can generate a uuid via mysql "SELECT UUID()" or via the PHP Pecl >> extension php-uuid. >> >> The other way of doing it would be to insert a row into a database >> row with an auto-increment field and use the value of that >> auto-incrment field as your identifier (SELECT LAST_INSERT_ID() in >> mysql or via the db layers API). >> >> HTHs >> >> Col >> >> > > cheers for the input; uuid it has to be I guess; don't want it reliant > on any third party software or db so pecl is out, as is mysql - looks > like I'm going to have to (and probably enjoy) making a uuid function > to generate type 4 random uuids. > > only other thought is to combine all the instance variables, hash the > combination of them and save that together with a timestamp.. > > considering > -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
