Re: PHP 4.0 Bug #8017: PHP ignores "If-Modified-Since" headers

JR>> The way it would work is very simple -- PHP, from how I JR>> understand it, has two phases, first where it collects the JR>> headers, and then where it outputs the body. At the moment where JR>> it starts to output the body, it should compare the JR>> Last-Modified header outputted by the script (if any) against JR>> If-Modified-Since. If (Last-Modified > If-Modified-Since), it JR>> proceeds normally and sends back a 200 code. If (Last-Modified JR>> <= If-Modified-Since), it would not output any body -- ignoring JR>> all "echo"s in the script and further HTML in the document. The JR>> script, however, continues to execute normally, completely JR>> oblivious that no body is being sent out. Hmm. That is not exactly what was meant by If-Modified-Since, I guess. Also, I'm not sure it worth this - we'd have to check for two headers on _each_ script. On the other hand, now I see what you mean - it probably could be implemented, though it is not so easy. There's a lot of code in Apache that deals with all kinds of "special cases", and I'm not sure which of them should be handled in PHP. -- Stanislav Malyshev, Zend Products Engineer stas@zend.com http://www.zend.com/ +972-3-6139665 ext.106