<?php
/**
* class AbsRssReader20
*
* Parse an RSS 2.0 xml feed and retrieve the result as an associative array.
*
* @package Abs_Xml_Rss
* @category XML, RSS
* @author Costin Trifan <[email protected]>
* @copyright 2009 Costin Trifan
* @licence http://en.wikipedia.org/wiki/MIT_License MIT License
* @version 1.0
*
* Copyright (c) 2009 Costin Trifan <http://june-js.com/>
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
class AbsRssReader20
{
private function __clone(){}
// constructor
public function __construct(){}
/**
* Holds the reference to the instance of the DOMDocument class
* @type object
*/
protected static $_doc = null;
/**
* Whether or not the xml document has been loaded.
* @type bool
* @access private
*/
protected static $_loaded = FALSE;
/**
* Load the xml document
* @param string $filePath The path to the xml document
* @return void
*/
final public function Load( $filePath )
{
if (is_null($filePath) or strlen($filePath) < 1)
exit("Error in ".__CLASS__.'::'.__FUNCTION__.'<br/>The path to the rss file is missing!');
// LOAD XML DOCUMENT
self::$_doc = new DOMDocument();
if (@self::$_doc->load($filePath))
self::$_loaded = TRUE;
else exit("Error: The rss file could not be opened!");
}
/**
* Get the channel tags as an associative array
* @return array
*/
final public function GetChannelTags()
{
$result = array();
if ( ! self::$_loaded) return $result;
$ch = self::$_doc->getElementsByTagName('channel')->item(0);
if ( ! is_null($ch))
{
if ($ch->hasChildNodes())
{
foreach ($ch->getElementsByTagName('*') as $tag)
{
// do not select item tags
if ($tag->hasChildNodes() and ($tag->tagName <> 'item'))
$result[$tag->tagName] = html_entity_decode($tag->nodeValue, ENT_QUOTES, 'UTF-8') ;
}
}
}
return $result;
}
/**
* Get the channel items as an associative array
*
* @param int $maxLimit The maximum number of channel items to retrieve from the document.
* If $maxLimit = 0 all records will be retrieved.
* @return array
*/
final public function GetItems( $maxLimit = 0 )
{
$result = array();
if ( ! self::$_loaded) return $result;
$ch = self::$_doc->getElementsByTagName('channel')->item(0);
if ( ! is_null($ch))
{
if ($ch->hasChildNodes())
{
$i = 0;
foreach ($ch->getElementsByTagName('item') as $tag)
{
$result['item_'.$i] = array();
foreach ($tag->getElementsByTagName('*') as $item)
$result['item_'.$i][$item->tagName] = html_entity_decode($item->nodeValue, ENT_QUOTES, 'UTF-8') ;
$i++;
if ($maxLimit == $i) break;
}
}
}
return $result;
}
/**
* Get all data from the rss feed as an associative array
* @return array
*/
final public function GetAll()
{
$result = array();
if ( ! self::$_loaded) return $result;
$channelTags = $this->GetChannelTags();
$channelItems = $this->GetItems();
$result = array_merge($channelTags, $channelItems);
return $result;
}
}
// >> END
?>
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