Re: References

KK>> IP source and so on. You'd do this by building arrays of KK>> references to the actual measurements, ordered by the KK>> characteristic you need. You'd use measurements in order For this, you don't really need references. You may use them, but you might use indexed hashes as well, or just copy (mosy copies in PHP aren't really a copy unless you write the data - PHP likes to copy-on-write). KK>> to avoid duplication of the data, and in order to avoid KK>> update anomalies. If you are changing the data, hashes would be better solution. References have many unexpected side effects and it's better not to use it unless you have very clean understanding of how they work, and even then... -- Stanislav Malyshev stas@zend.com +972-3-6139665