contents of page reload when any user post data in database in php

I have developing messenger in php. In my application in need to reload the content of div in a page while any user post 开发者_如何学Gotheir comments on database of server. Please kindly help me... Thanks in Advance Mayan Alagar.

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Here a couple of questions/answers that might give you some informations, to start with :

• Comet & PHP: How to use Comet with a PHP Chat System ?
• Using comet with PHP?
• Implementing PHP chat in members site
• Ajax polling.
• How to make a chat room script with PHP?

Basically, you'll have to put some long-polling mecanism (search for "comet"), to be able to send notifications and new informations from the server to the browser -- while things are generally going the other way arround.

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Use Comet (or reverse AJAX or push AJAX)