Question

So I have a PHP proxy that gets information from a website. Let’s say the proxy gets the information from (www.example.com). It checks if the number of lines returned is the same as before, if not then there are more lines, it counts the difference then it need to push this information to the Flex client saying that it has new information, (x) more lines have been written.

I am not really sure how to do the push mechanism on the php proxy because I am not sure how to actually push from the proxy to the client, never done it before. Any help?

Answer 1

Normally, you cannot initiate a transfer from the server side. You can either

• set up a timer in the Flex application that fires every 2-3 seconds and checks the php proxy for updates using a URLLoader
• use sockets (XMLSocket) for direct data pushing – use of sockets needs the client to open some ports which might be blocked by their firewall.