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php-db | 2001011

RE: [PHP-DB] refresh for php/mysql chat From: Cal Evans (cal <email protected>)
Date: 01/07/01

Internet.com did a paper a while back on writing "pushlets" in JavaScript
that allowed constant, 2-way communication between a web server and a web
page. This might be a better solution than auto refreshing the page.

Sorry, I don't have a URL but if you go digging around on their site, it
shouldn't be hard to find.

Cal

-----Original Message-----
From: sarahana [mailto:sarahana <email protected>]
Sent: Sunday, January 07, 2001 12:49 AM
To: php-db <email protected>
Subject: [PHP-DB] refresh for php/mysql chat

Hi,
I wrote a chat using php/mysql.. and everything is working fine, except that
I despise the meta auto-refresh - its really irritating :-)

So I was wondering if anyone of you are aware of an alternative - if you do,
please do help me out.

Also, to show the users online, I simply do a "select" retrieve from the
users table, and I delete an entry if the user logs out. But what if the
user does not log out and simply closes the window - what have you done / or
would do to delete the entry from the table? Is there a way to check all the
cookies (I'm using cookie for login) and see if there is a certain value of
the cookie that does not exist? If I could do that, then I could delete the
entry...

Thanks,
sarahana 

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