Rss generation class [code]

<? Php
/*************************************** **
* RSS2.0 Generator
* Create by MagicBoy (darasion)
* Copyright? Magic Boy
**************************************** **/

/*----------------

Usage:
Add the following array to the corresponding function.

1. Channel subject
$ Channel = array (
Title => 'Channel name (required )',
Link => 'Channel URL (required )',
Description => 'Channel description (required )',
Language => 'language used for channel articles (optional )',
Webmaster => 'email (optional )',
ManagingEditor => 'email for responsible editing (optional )',
PubDate => 'Channel content release date. The format follows the RFC822 format (the year can be 2 or 4 bits) (optional )',
LastBuildDate => 'Last modified date of the channel content (Sat, 07 Sep 2002 09:42:31 GMT) (optional )',
SkipDays => 'indicates the news aggregator, which can be skipped in those days. (Optional )',
Copyright => 'copyright description of channel content (optional )',
Ttl => 'validity period, which indicates the maximum cache time for this channel (optional )',
);

2. Channel images
$ Image = array (
Url => 'image link (required )',
Title => 'image title, used for the http alt attribute (required )',
Link => 'website url (in reality, it is often replaced by the channel url) (required )',
Width => 'Maximum image width (in pixels): 144; default value: 88 (optional )',
Height => 'Maximum Image height (in pixels): 400; default value: 31 (optional )',
Description => 'Title attribute used for link (optional )'
);

3. Channel items
$ Item = array (
Title => 'item title (required )',
Description => 'item outline (required )',
Link => 'item URL (required )',
Comments => 'comments page URL (optional )',
Guid => '1 unique identifier string (optional )',
Author => 'author's email (optional )',
Enclosure => 'specifies the attached media object )',
Category => 'catogory (optional )',
Pubdate => 'item release time (optional )',
Source_url => 'RSS feed of this item (optional )',
Source_name => 'This item comes from the RSS feed (optional )'
);
----------------*/

ClassRss2
{
Var $ channel_pre = "";
Var $ str_image = "";
Var $ str_item = "";
Var $ channel_end = "";
/* Constructor */
Function rss2 ($ channel, $ encoding = "GB2312")
  {
$ This-> channel ($ channel, $ encoding);
  }
/* Generate a channel subject */
Function channel ($ channel, $ encoding = "GB2312")
  {
$ This-> channel_pre. = "<? Xml version = \ "1.0 \" encoding = \ "$ encoding \"?> \ N";
$ This-> channel_pre. = "<rss version = \" 2.0 \ "> \ n";

$ This-> channel_pre. = "<channel> \ n";

$ This-> channel_pre. = "<title>". $ channel ['title']. "</title> \ n ";// Channel name (required)
$ This-> channel_pre. = "<link>". $ channel ['link']. "</link> \ n ";// Channel URL (required)
$ This-> channel_pre. = "<description>". $ channel ['description']. "</description> \ n ";// Channel description (required)
$ This-> channel_pre. = "<generator> MagicBoy RSS Generator v1.0 </generator> \ n ";// Create a program for this document (optional)

If (isset ($ channel ['language']) $ this-> channel_pre. = "<language> ". $ channel ['language']. "</language> \ n ";// Language used for channel articles (optional)
If (isset ($ channel ['webmaster']) $ this-> channel_pre. = "<webMaster> ". $ channel ['webmaster']. "</webMaster> \ n ";// Email of the website administrator responsible for channel Technical Affairs (optional)
If (isset ($ channel ['managingeditor']) $ this-> channel_pre. = "<managingEditor> ". $ channel ['managingeditor']. "</managingEditor> \ n ";// Email for responsible editing (optional)
If (isset ($ channel ['pubdate']) $ this-> channel_pre. = "<pubDate> ". $ channel ['pubdate']. "</pubDate> \ n ";// Channel content release date. The format follows the RFC822 format (the year can be 2 or 4 digits) (optional)
If (isset ($ channel ['lastbuilddate']) $ this-> channel_pre. = "<lastBuildDate> ". $ channel ['lastbuilddate']. "</lastBuildDate> \ n ";// The Last modified date of the channel content (Sat, 07 Sep 2002 09:42:31 GMT) (optional)
If (isset ($ channel ['skipdays']) $ this-> channel_pre. = "<skipDays> ". $ channel ['skipdays']. "</skipDays> \ n ";// Prompt the news aggregator, which can be skipped in those days. (Optional)
If (isset ($ channel ['copyright']) $ this-> channel_pre. = "<copyright> ". $ channel ['copyright']. "</copyright> \ n ";// Channel content copyright description (optional)
If (isset ($ channel ['ttl ']) $ this-> channel_pre. = "<ttl> ". $ channel ['ttl ']. "</ttl> \ n ";// Validity period, which indicates the maximum cache time for this channel (optional)

$ This-> channel_end. = "</channel> \ n";
$ This-> channel_end. = "</rss> \ n";
}
/* Generate a channel image */
Function image ($ image)
{
If (isset ($ this-> str_image) unset ($ this-> str_image);
$ This-> str_image. = "<image> \ n";
If (isset ($ image ['URL']) $ this-> str_image. = "<url> ". $ image ['URL']. "</url> \ n ";// Url of the image (required)
If (isset ($ image ['title']) $ this-> str_image. = "<title> ". $ image ['title']. "</title> \ n ";// The Image title, used for the http alt attribute (required)
If (isset ($ image ['link']) $ this-> str_image. = "<link> ". $ image ['link']. "</link> \ n ";// Website url (in reality, it is often replaced by the channel url) (required)
If (isset ($ image ['width']) $ this-> str_image. = "<width> ". $ image ['width']. "</width> \ n ";// The maximum width (in pixels) of the image is 144. The default value is 88 (optional)
If (isset ($ image ['height']) $ this-> str_image. = "// The Image height (in pixels) is up to 400. The default value is 31 (optional)
If (isset ($ image ['description']) $ this-> str_image. = "<description> ". $ image ['description']. "</description> \ n ";// The title attribute used for link (optional)
$ This-> str_image. = "</image> \ n";
}
/* Channel item */
Function item ($ item)
{
$ This-> str_item. = "<item> \ n";
$ This-> str_item. = "<title>". $ item ['title']. "</title> \ n ";// Item title (required)
$ This-> str_item. = "<description>". $ item ['description']. "</description> \ n ";// Outline of the item (required)
$ This-> str_item. = "<link>". $ item ['link']. "</link> \ n ";// The URL of the item (required)

If (isset ($ item ['comments']) $ this-> str_item. = "<comments> ". $ item ['comments']. "</comments> \ n ";// The URL of the comments page (optional)
If (isset ($ item ['Guid ']) $ this-> str_item. = "<guid> ". $ item ['Guid ']. "</guid> \ n ";// Unique identifier string of item 1 (optional)
If (isset ($ item ['autor']) $ this-> str_item. = "<author> ". $ item ['author']. "</author> \ n ";// The Author's email (optional)
If (isset ($ item ['enablesure ']) $ this-> str_item. = "<enclosure> ". $ item ['enablesure ']. "</enclosure> \ n ";// Description of the attached media object (optional)
If (isset ($ item ['Category ']) $ this-> str_item. = "<category> ". $ item ['Category ']. "</category> \ n ";// One or more categories containing the item (optional)
If (isset ($ item ['pubdate']) $ this-> str_item. = "<pubDate> ". $ item ['pubdate']. "</pubDate> \ n ";// Item release time (optional)
If (isset ($ item ['Source _ url']) $ this-> str_item. = "<source url = \"". $ item ['Source _ url']. "\"> ". $ item ['Source _ name']. "</source> \ n ";// This item comes from the RSS feed (optional)
$ This-> str_item. = "</item> \ n";
}
/* Output xml */
Function generate()
{
If (isset ($ this-> channel_pre) & isset ($ this-> channel_end) & isset ($ this-> str_item))
  {
Header ("Content-type: text/xml");
Echo $ this-> channel_pre;
Echo $ this-> str_image;
Echo $ this-> str_item;
Echo $ this-> channel_end;
  }
}
/* Erase the channel */
Function erase_channel()
{
Unset ($ this-> channel_pre);
Unset ($ this-> channel_end);
}
/* Erase the channel image */
Function erase_image()
{
Unset ($ this-> str_image);
}
/* Erase the project */
Function erase_item()
{
Unset ($ this-> str_item);
}
/* Erase all */
Function erase()
{
$ This-> erase_channel();
$ This-> erase_image();
$ This-> erase_item();
}
}
?>