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About

lastRSS.php is simple yet powerfull PHP class to parse RSS/RDF files v0.9/0.91. Uses quick regullar expressions. Result is associative array with RSS fields.

Features:

• Free software (GNU/GPL)
• No special PHP modul needed
• Support RSS/RDF v0.9 and 0.91 (most used versions)
  Probably works with future versions, but it hasn't been checked in this release
• No problem RSS file found yet
• Regullar expression parsing (very quick)
• Result is associative array with RSS fields
• Transparent cache (doesn't cache RSS file directly, neither HTML output, but serialized variable; cached data isn't parsed every time, but you can still access individual fields)

Future plans:

• Proxy support
• Future RSS versions support
• ...please ask for other needed features

Download

• lastRSS.zip (18 kB)

Synopsis

There are only two public methods in the lastRSS.php class - SetCache() and Get().

Properties (public variables)

$lastRSS->cache_dir

Folder in which cached data should be stored. Remember to chmod this folder to 777. Set $cache_dir to "" (empty string) to disable transparent cache.

$lastRSS->cache_time

Cache interval in seconds. Don't set this lower than 1200 (20 minutes) - webmasters will hate you otherwise. Optimal value is between 7200 and 14400 (2 - 4 hours) in my opinion.

Methods (public functions)

Get($rss_url)

Load and parse RSS file $rss_url (e.g. "http://slashdot.org/slashdot.rdf"). Ofcourse use cached version of file if cache is enabled and cached file is fresh enough. Returns associative array of RSS fields. Simply use print_r() function to see structure of the result (see Demo 1).

Examples

Demo 1 - Show structure of result array using print_r() - (Slashdot RSS as an example).
(Demo 1 | Source code)

Demo 2 - Show RSS of Freshmeat RSS in nice look.
(Demo 2 | Source code)

Demo 3 - Very simple RSS agregator using lastRSS
(Demo 3 | Source code)

Author

Questions? Comments?

Vojtech Semecky, webmaster@webdot.cz

License

This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License (GPL) as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

Changelog

Verze 0.2 - (29 June 2003)

Bugfix: Bad caching of temporary unreachable RSS files

Version 0.1.1 - (11 May 2003)

Initial release

Stuff

Text link
http://www.webdot.cz/lastrss/

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