php long polling example

The reverse push technology is very popular now, and long polling is one of the key technologies for implementing reverse push. // If you want to publish this article, please indicate the exit, no outgoing copyright notice, I do not like to see this

For long polling scenarios, which are more common, the client synchronizes constantly in a synchronous request, and the server decides whether to respond to requests or hold requests to continue checking the data.Since PHP-FPM is single process

: This article mainly introduces round robin, long polling, long connections, and FlashSocket. if you are interested in the PHP Tutorial, refer to it. Round Robin: The client periodically sends an Ajax request to the server. after

1. PrefaceWeb-side IM technology is not easy to implement due to limitations in browser design, and there are roughly 4 main web-end instant Messaging solutions: Traditional Ajax short polling, Comet technology, WebSocket Technology, SSE

1. PrefaceWeb-side IM technology is not easy to implement due to limitations in browser design, and there are roughly 4 main web-end instant Messaging solutions: Traditional Ajax short polling, Comet technology, WebSocket Technology, SSE

The traditional Ajax polling method, the customer service side at the user-defined time interval to the server to query the latest data. This method of pulling data takes a short time interval to ensure the accuracy of the data, but too short a time

This post was last edited by stneo1990 on 2013-08-08 11:45:06 First of all, this is a real-time customer service consulting system, the main purpose is to simulate the foreground user sent messages (through the manual insert into the MySQL database

When you export Excel by using XML, you can export Excel normally when you find a small number (below 1k), but when you increase the number of exports (several K), you find that the exported Excel data is incomplete. (In my local is good, online

If the file data generated in the system is too long and then automatically truncated, what is the cause? This small editor has encountered problems caused by the loss of post data, let's take a look. If the file data generated in the system is too

English Original: Reverse Ajax, part 1:introduction to Comet Web Development has changed a lot in the last few years. Today, we want to be able to access applications quickly and dynamically through the web. In this new article series, we