Pass Data from PHP to Javascript and Vice Versa

Question

I have a php file that echos JSON encoded arrays, the contents of which are pulled from a remote database.

I want to be able to pass this data from the PHP file to a Javascript file linked to a running HTML file displayed in the browser.

What are the best practises for passing data, particularly in JSON format fromPHP to Javascript...

Can you clarify? Is the PHP script with the arrays generating the HTML file, which has the reference to the JS script? Or is the JS script querying a separate PHP script? — bjudson
– bjudson, Commented Aug 7, 2011 at 2:32
the latter. the html file will trigger a js function that queries the php — user559142
– user559142, Commented Aug 7, 2011 at 2:40

Explosion Pills · Accepted Answer · 2011-08-07 02:33:47Z

1

The jQuery Javascript library provides a bunch of great ways for handling Ajax. JSON is a wonderful format for client/server communication, even as-is. XML is also good.

If you are talking about long polling, you may also want to look into COMET

answered Aug 7, 2011 at 2:33

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