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Class: HV HTTP Multipart


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  Classes of Herman Veluwenkamp  >  HV HTTP Multipart  >  Download  >  Support forum Support forum  >  Blog Blog  >  RSS 1.0 feed RSS 2.0 feed Latest changes  
Name: HV HTTP Multipart Support forum
Base name: hv_httpmultipart
Description: Push multiple pages to browser in one HTTP request
Related top rated classes: , ,
Version: -
Required PHP version: -
License: GNU General Public License (GPL)
All time users: 1583 users
All time rank: 1708
Week users: 0 users
Week rank: 3652
 
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Author

Picture of Herman Veluwenkamp
Name: Herman Veluwenkamp <e-mail contact>
Published packages: 11 Browse this author's classes Browse this author's classes
Country: New Zealand New Zealand - PHP jobs in New Zealand
Home page: ???
Age: ???
All time rank: 14
Week rank: 142

Innovation Award

PHP Programming Innovation award nominee
June 2004
Number 7
 The HTTP protocol can be used to serve content in ways that are not very well known. One of such ways is to use MIME multipart content types.

The multipart/x-mixed-replace content type allows to serve a sequence of distinct content objects that replace each other within the same HTTP request. This means that the same page can display different content parts that appear successively.

Since each part may be served with wait intervals that are defined by the script that serves the page, this can be used for pushing new content once it is made available on the server, thus without having the user or the browse to issue a new request.

Despite it is a feature that is not supported by all browsers, it can be used for event driven applications that depend on events that may occur on the server side besides others that occur on the client side.

This class provides a solution for creating these multipart replacement content type parts without having to understand too much about the technical details of the protocol.

It comes with illustrating examples that show how to generate server based animations or replace content after a given period of time producing interesting slideshow effects.

Manuel Lemos

Groups

Group folder image HTTP HTTP protocol clients, headers and cookies View top rated classes
Group folder image Video Movies and video data generation and manipulation View top rated classes

Detailed description

This class is meant to compose and serve multiple pages that replace each other in a single HTTP request.

It uses the MIME content type multipart/x-mixed-replace content type to keep the connection open. Only works in browsers that support that content type, obviously. This does not include MS Explorer.

It can send multiple pages that replace each other even with different content types. It can iterate over a set of pages that are deliver one after the other waiting a given interval period.

It can be used to show the progress of lengthy tasks or exhibit animations and slideshows.

Freshmeat project

Project record: hv_http_multipart
Popularity score: 15.78
Vitality score: 0.0

User ratings

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Applications that use this class

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Files

File Role Description
Plain text file demo_iteration.php Example Demo 3 - poor man's animation
Plain text file demo_processing.php Example Demo 1 - for pages that take a long time to process.
Plain text file demo_xul.php Example Demo 2 - two pages with different content types
Plain text file HV_HttpMultipart.php Class Main class
HTML file page_1.html Data Page 1 for iteration
HTML file page_2.html Data Page 2 for iteration
HTML file page_3.html Data Page 3 for iteration
HTML file page_4.html Data Page 4 for iteration
HTML file page_5.html Data Page 5 for iteration
HTML file page_6.html Data Page 6 for iteration
HTML file page_7.html Data Page 7 for iteration
Plain text file page_finished.xul Data Page that displays 'Finished' in XUL markup
HTML file page_ok.html Data Page that displays 'OK'
HTML file page_processing.html Data Page that displays 'Processing'
Download all files: hv_httpmultipart.tar.gz hv_httpmultipart.zip
NOTICE: if you are using a download manager program like 'GetRight', please Login before trying to download this archive.

 
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