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[Plplot-cvs] SF.net SVN: plplot:[11135] trunk/www
|
From: <sm...@us...> - 2010-08-17 06:10:36
|
Revision: 11135
http://plplot.svn.sourceforge.net/plplot/?rev=11135&view=rev
Author: smekal
Date: 2010-08-17 06:10:27 +0000 (Tue, 17 Aug 2010)
Log Message:
-----------
The PLplot News RSS feed form sourceforge is now parsed via simplepie (http://simplepie.org/) and shown at the main site. There still needs to be a 'cache' directory created with 755 or 777 permission.
Modified Paths:
--------------
trunk/www/CMakeLists.txt
trunk/www/corefunctions.php
Added Paths:
-----------
trunk/www/simplepie.inc
Modified: trunk/www/CMakeLists.txt
===================================================================
--- trunk/www/CMakeLists.txt 2010-08-13 15:17:54 UTC (rev 11134)
+++ trunk/www/CMakeLists.txt 2010-08-17 06:10:27 UTC (rev 11135)
@@ -53,6 +53,7 @@
${CMAKE_CURRENT_SOURCE_DIR}/download.php
${CMAKE_CURRENT_SOURCE_DIR}/examples.php
${CMAKE_CURRENT_SOURCE_DIR}/index.php
+ ${CMAKE_CURRENT_SOURCE_DIR}/simplepie.inc
${CMAKE_CURRENT_BINARY_DIR}/documentation.php
)
Modified: trunk/www/corefunctions.php
===================================================================
--- trunk/www/corefunctions.php 2010-08-13 15:17:54 UTC (rev 11134)
+++ trunk/www/corefunctions.php 2010-08-17 06:10:27 UTC (rev 11135)
@@ -1,4 +1,29 @@
<?php
+ // open plplot rss news feed via simplepie
+ include('simplepie.inc');
+
+ // Substring without losing word meaning and
+ // tiny words (length 3 by default) are included on the result.
+ // "..." is added if result do not reach original string length
+ // taken from http://www.php.net/manual/en/function.substr.php#93963
+ function _substr($str, $length, $minword = 3)
+ {
+ $sub = '';
+ $len = 0;
+
+ foreach(explode(' ', $str) as $word) {
+ $part = (($sub != '') ? ' ' : '') . $word;
+ $sub .= $part;
+ $len += strlen($part);
+
+ if(strlen($word) > $minword && strlen($sub) >= $length) {
+ break;
+ }
+ }
+
+ return $sub . (($len < strlen($str)) ? '...' : '');
+ }
+
//
// Print standard page header
//
@@ -66,21 +91,29 @@
//
// Print News from project page
//
- function pageNews($newscount)
+ function pageNews($newscount, $contentlength)
{
- // Open the XML file for reading
- $fp = fopen("http://sourceforge.net/export/projnews.php?group_id=2915&limit=$newscount&flat=0&show_summaries=0","r")
- or die("Error reading RSS data.");
+ // Open the PLplot News RSS feed and parse it
+ $feed = new SimplePie();
+ $url = sprintf("http://sourceforge.net/export/rss2_projnews.php?group_id=2915&rss_limit=%d", $newscount);
+ $feed->set_feed_url($url);
+ $feed->init();
+ $feed->handle_content_type();
- // Read the XML file 4KB at a time
- while ($data = fread($fp, 4096))
- // Parse each 4KB chunk with the XML parser created above
- echo $data;
+ // In case of error show error
+ //if($feed->error())
+ // echo $feed->error();
- // Close the XML file
- fclose($fp);
-
- /* <?php include "http://sourceforge.net/export/projnews.php?group_id=2915&limit=3&flat=0&show_summaries=0" ?> */
+ if($feed->data) {
+ $items = $feed->get_items();
+ $i = 0;
+ foreach($items as $item) {
+ echo '<h4><a href="' . $item->get_permalink() . '">' . $item->get_title() . '</a></h4>';
+ echo '<p>' . _substr($item->get_content(), $contentlength) . ' ';
+ echo '<a href="' . $item->get_permalink() . '">Read more</a> (' . $item->get_date('j M Y') . ')</p>';
+ }
+ } else
+ echo 'Could not open News feed!';
}
//
@@ -95,10 +128,9 @@
// Permanently disable and do another way (see above)
// because pageNews calls SF php script that returns
// bad URL's.
- if(0) {
- echo "<h3>News</h3>\n";
- pageNews(3);
- }
+ echo "<h3>News</h3>\n";
+ pageNews(3, 100);
+
echo <<<END
<h3>Resources</h3>
<ul class="arrowlist">
Added: trunk/www/simplepie.inc
===================================================================
--- trunk/www/simplepie.inc (rev 0)
+++ trunk/www/simplepie.inc 2010-08-17 06:10:27 UTC (rev 11135)
@@ -0,0 +1,15038 @@
+<?php
+/**
+ * SimplePie
+ *
+ * A PHP-Based RSS and Atom Feed Framework.
+ * Takes the hard work out of managing a complete RSS/Atom solution.
+ *
+ * Copyright (c) 2004-2009, Ryan Parman and Geoffrey Sneddon
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ * * Redistributions of source code must retain the above copyright notice, this list of
+ * conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above copyright notice, this list
+ * of conditions and the following disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * * Neither the name of the SimplePie Team nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific prior
+ * written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS
+ * AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * @package SimplePie
+ * @version 1.3-dev
+ * @copyright 2004-2009 Ryan Parman, Geoffrey Sneddon
+ * @author Ryan Parman
+ * @author Geoffrey Sneddon
+ * @link http://simplepie.org/ SimplePie
+ * @link http://simplepie.org/support/ Please submit all bug reports and feature requests to the SimplePie forums
+ * @license http://www.opensource.org/licenses/bsd-license.php BSD License
+ * @todo phpDoc comments
+ */
+
+/**
+ * SimplePie Name
+ */
+define('SIMPLEPIE_NAME', 'SimplePie');
+
+/**
+ * SimplePie Version
+ */
+define('SIMPLEPIE_VERSION', '1.2.1-dev');
+
+/**
+ * SimplePie Build
+ * @todo Hardcode for release (there's no need to have to call SimplePie_Misc::parse_date() only every load of simplepie.inc)
+ */
+define('SIMPLEPIE_BUILD', gmdate('YmdHis', SimplePie_Misc::parse_date(substr('$Date$', 7, 25)) ? SimplePie_Misc::parse_date(substr('$Date$', 7, 25)) : filemtime(__FILE__)));
+
+/**
+ * SimplePie Website URL
+ */
+define('SIMPLEPIE_URL', 'http://simplepie.org');
+
+/**
+ * SimplePie Useragent
+ * @see SimplePie::set_useragent()
+ */
+define('SIMPLEPIE_USERAGENT', SIMPLEPIE_NAME . '/' . SIMPLEPIE_VERSION . ' (Feed Parser; ' . SIMPLEPIE_URL . '; Allow like Gecko) Build/' . SIMPLEPIE_BUILD);
+
+/**
+ * SimplePie Linkback
+ */
+define('SIMPLEPIE_LINKBACK', '<a href="' . SIMPLEPIE_URL . '" title="' . SIMPLEPIE_NAME . ' ' . SIMPLEPIE_VERSION . '">' . SIMPLEPIE_NAME . '</a>');
+
+/**
+ * No Autodiscovery
+ * @see SimplePie::set_autodiscovery_level()
+ */
+define('SIMPLEPIE_LOCATOR_NONE', 0);
+
+/**
+ * Feed Link Element Autodiscovery
+ * @see SimplePie::set_autodiscovery_level()
+ */
+define('SIMPLEPIE_LOCATOR_AUTODISCOVERY', 1);
+
+/**
+ * Local Feed Extension Autodiscovery
+ * @see SimplePie::set_autodiscovery_level()
+ */
+define('SIMPLEPIE_LOCATOR_LOCAL_EXTENSION', 2);
+
+/**
+ * Local Feed Body Autodiscovery
+ * @see SimplePie::set_autodiscovery_level()
+ */
+define('SIMPLEPIE_LOCATOR_LOCAL_BODY', 4);
+
+/**
+ * Remote Feed Extension Autodiscovery
+ * @see SimplePie::set_autodiscovery_level()
+ */
+define('SIMPLEPIE_LOCATOR_REMOTE_EXTENSION', 8);
+
+/**
+ * Remote Feed Body Autodiscovery
+ * @see SimplePie::set_autodiscovery_level()
+ */
+define('SIMPLEPIE_LOCATOR_REMOTE_BODY', 16);
+
+/**
+ * All Feed Autodiscovery
+ * @see SimplePie::set_autodiscovery_level()
+ */
+define('SIMPLEPIE_LOCATOR_ALL', 31);
+
+/**
+ * No known feed type
+ */
+define('SIMPLEPIE_TYPE_NONE', 0);
+
+/**
+ * RSS 0.90
+ */
+define('SIMPLEPIE_TYPE_RSS_090', 1);
+
+/**
+ * RSS 0.91 (Netscape)
+ */
+define('SIMPLEPIE_TYPE_RSS_091_NETSCAPE', 2);
+
+/**
+ * RSS 0.91 (Userland)
+ */
+define('SIMPLEPIE_TYPE_RSS_091_USERLAND', 4);
+
+/**
+ * RSS 0.91 (both Netscape and Userland)
+ */
+define('SIMPLEPIE_TYPE_RSS_091', 6);
+
+/**
+ * RSS 0.92
+ */
+define('SIMPLEPIE_TYPE_RSS_092', 8);
+
+/**
+ * RSS 0.93
+ */
+define('SIMPLEPIE_TYPE_RSS_093', 16);
+
+/**
+ * RSS 0.94
+ */
+define('SIMPLEPIE_TYPE_RSS_094', 32);
+
+/**
+ * RSS 1.0
+ */
+define('SIMPLEPIE_TYPE_RSS_10', 64);
+
+/**
+ * RSS 2.0
+ */
+define('SIMPLEPIE_TYPE_RSS_20', 128);
+
+/**
+ * RDF-based RSS
+ */
+define('SIMPLEPIE_TYPE_RSS_RDF', 65);
+
+/**
+ * Non-RDF-based RSS (truly intended as syndication format)
+ */
+define('SIMPLEPIE_TYPE_RSS_SYNDICATION', 190);
+
+/**
+ * All RSS
+ */
+define('SIMPLEPIE_TYPE_RSS_ALL', 255);
+
+/**
+ * Atom 0.3
+ */
+define('SIMPLEPIE_TYPE_ATOM_03', 256);
+
+/**
+ * Atom 1.0
+ */
+define('SIMPLEPIE_TYPE_ATOM_10', 512);
+
+/**
+ * All Atom
+ */
+define('SIMPLEPIE_TYPE_ATOM_ALL', 768);
+
+/**
+ * All feed types
+ */
+define('SIMPLEPIE_TYPE_ALL', 1023);
+
+/**
+ * No construct
+ */
+define('SIMPLEPIE_CONSTRUCT_NONE', 0);
+
+/**
+ * Text construct
+ */
+define('SIMPLEPIE_CONSTRUCT_TEXT', 1);
+
+/**
+ * HTML construct
+ */
+define('SIMPLEPIE_CONSTRUCT_HTML', 2);
+
+/**
+ * XHTML construct
+ */
+define('SIMPLEPIE_CONSTRUCT_XHTML', 4);
+
+/**
+ * base64-encoded construct
+ */
+define('SIMPLEPIE_CONSTRUCT_BASE64', 8);
+
+/**
+ * IRI construct
+ */
+define('SIMPLEPIE_CONSTRUCT_IRI', 16);
+
+/**
+ * A construct that might be HTML
+ */
+define('SIMPLEPIE_CONSTRUCT_MAYBE_HTML', 32);
+
+/**
+ * All constructs
+ */
+define('SIMPLEPIE_CONSTRUCT_ALL', 63);
+
+/**
+ * Don't change case
+ */
+define('SIMPLEPIE_SAME_CASE', 1);
+
+/**
+ * Change to lowercase
+ */
+define('SIMPLEPIE_LOWERCASE', 2);
+
+/**
+ * Change to uppercase
+ */
+define('SIMPLEPIE_UPPERCASE', 4);
+
+/**
+ * PCRE for HTML attributes
+ */
+define('SIMPLEPIE_PCRE_HTML_ATTRIBUTE', '((?:[\x09\x0A\x0B\x0C\x0D\x20]+[^\x09\x0A\x0B\x0C\x0D\x20\x2F\x3E][^\x09\x0A\x0B\x0C\x0D\x20\x2F\x3D\x3E]*(?:[\x09\x0A\x0B\x0C\x0D\x20]*=[\x09\x0A\x0B\x0C\x0D\x20]*(?:"(?:[^"]*)"|\'(?:[^\']*)\'|(?:[^\x09\x0A\x0B\x0C\x0D\x20\x22\x27\x3E][^\x09\x0A\x0B\x0C\x0D\x20\x3E]*)?))?)*)[\x09\x0A\x0B\x0C\x0D\x20]*');
+
+/**
+ * PCRE for XML attributes
+ */
+define('SIMPLEPIE_PCRE_XML_ATTRIBUTE', '((?:\s+(?:(?:[^\s:]+:)?[^\s:]+)\s*=\s*(?:"(?:[^"]*)"|\'(?:[^\']*)\'))*)\s*');
+
+/**
+ * XML Namespace
+ */
+define('SIMPLEPIE_NAMESPACE_XML', 'http://www.w3.org/XML/1998/namespace');
+
+/**
+ * Atom 1.0 Namespace
+ */
+define('SIMPLEPIE_NAMESPACE_ATOM_10', 'http://www.w3.org/2005/Atom');
+
+/**
+ * Atom 0.3 Namespace
+ */
+define('SIMPLEPIE_NAMESPACE_ATOM_03', 'http://purl.org/atom/ns#');
+
+/**
+ * RDF Namespace
+ */
+define('SIMPLEPIE_NAMESPACE_RDF', 'http://www.w3.org/1999/02/22-rdf-syntax-ns#');
+
+/**
+ * RSS 0.90 Namespace
+ */
+define('SIMPLEPIE_NAMESPACE_RSS_090', 'http://my.netscape.com/rdf/simple/0.9/');
+
+/**
+ * RSS 1.0 Namespace
+ */
+define('SIMPLEPIE_NAMESPACE_RSS_10', 'http://purl.org/rss/1.0/');
+
+/**
+ * RSS 1.0 Content Module Namespace
+ */
+define('SIMPLEPIE_NAMESPACE_RSS_10_MODULES_CONTENT', 'http://purl.org/rss/1.0/modules/content/');
+
+/**
+ * RSS 2.0 Namespace
+ * (Stupid, I know, but I'm certain it will confuse people less with support.)
+ */
+define('SIMPLEPIE_NAMESPACE_RSS_20', '');
+
+/**
+ * DC 1.0 Namespace
+ */
+define('SIMPLEPIE_NAMESPACE_DC_10', 'http://purl.org/dc/elements/1.0/');
+
+/**
+ * DC 1.1 Namespace
+ */
+define('SIMPLEPIE_NAMESPACE_DC_11', 'http://purl.org/dc/elements/1.1/');
+
+/**
+ * W3C Basic Geo (WGS84 lat/long) Vocabulary Namespace
+ */
+define('SIMPLEPIE_NAMESPACE_W3C_BASIC_GEO', 'http://www.w3.org/2003/01/geo/wgs84_pos#');
+
+/**
+ * GeoRSS Namespace
+ */
+define('SIMPLEPIE_NAMESPACE_GEORSS', 'http://www.georss.org/georss');
+
+/**
+ * Media RSS Namespace
+ */
+define('SIMPLEPIE_NAMESPACE_MEDIARSS', 'http://search.yahoo.com/mrss/');
+
+/**
+ * Wrong Media RSS Namespace
+ */
+define('SIMPLEPIE_NAMESPACE_MEDIARSS_WRONG', 'http://search.yahoo.com/mrss');
+
+/**
+ * iTunes RSS Namespace
+ */
+define('SIMPLEPIE_NAMESPACE_ITUNES', 'http://www.itunes.com/dtds/podcast-1.0.dtd');
+
+/**
+ * XHTML Namespace
+ */
+define('SIMPLEPIE_NAMESPACE_XHTML', 'http://www.w3.org/1999/xhtml');
+
+/**
+ * IANA Link Relations Registry
+ */
+define('SIMPLEPIE_IANA_LINK_RELATIONS_REGISTRY', 'http://www.iana.org/assignments/relation/');
+
+/**
+ * Whether we're running on PHP5
+ */
+define('SIMPLEPIE_PHP5', version_compare(PHP_VERSION, '5.0.0', '>='));
+
+/**
+ * No file source
+ */
+define('SIMPLEPIE_FILE_SOURCE_NONE', 0);
+
+/**
+ * Remote file source
+ */
+define('SIMPLEPIE_FILE_SOURCE_REMOTE', 1);
+
+/**
+ * Local file source
+ */
+define('SIMPLEPIE_FILE_SOURCE_LOCAL', 2);
+
+/**
+ * fsockopen() file source
+ */
+define('SIMPLEPIE_FILE_SOURCE_FSOCKOPEN', 4);
+
+/**
+ * cURL file source
+ */
+define('SIMPLEPIE_FILE_SOURCE_CURL', 8);
+
+/**
+ * file_get_contents() file source
+ */
+define('SIMPLEPIE_FILE_SOURCE_FILE_GET_CONTENTS', 16);
+
+/**
+ * SimplePie
+ *
+ * @package SimplePie
+ */
+class SimplePie
+{
+ /**
+ * @var array Raw data
+ * @access private
+ */
+ var $data = array();
+
+ /**
+ * @var mixed Error string
+ * @access private
+ */
+ var $error;
+
+ /**
+ * @var object Instance of SimplePie_Sanitize (or other class)
+ * @see SimplePie::set_sanitize_class()
+ * @access private
+ */
+ var $sanitize;
+
+ /**
+ * @var string SimplePie Useragent
+ * @see SimplePie::set_useragent()
+ * @access private
+ */
+ var $useragent = SIMPLEPIE_USERAGENT;
+
+ /**
+ * @var string Feed URL
+ * @see SimplePie::set_feed_url()
+ * @access private
+ */
+ var $feed_url;
+
+ /**
+ * @var object Instance of SimplePie_File to use as a feed
+ * @see SimplePie::set_file()
+ * @access private
+ */
+ var $file;
+
+ /**
+ * @var string Raw feed data
+ * @see SimplePie::set_raw_data()
+ * @access private
+ */
+ var $raw_data;
+
+ /**
+ * @var int Timeout for fetching remote files
+ * @see SimplePie::set_timeout()
+ * @access private
+ */
+ var $timeout = 10;
+
+ /**
+ * @var bool Forces fsockopen() to be used for remote files instead
+ * of cURL, even if a new enough version is installed
+ * @see SimplePie::force_fsockopen()
+ * @access private
+ */
+ var $force_fsockopen = false;
+
+ /**
+ * @var bool Force the given data/URL to be treated as a feed no matter what
+ * it appears like
+ * @see SimplePie::force_feed()
+ * @access private
+ */
+ var $force_feed = false;
+
+ /**
+ * @var bool Enable/Disable XML dump
+ * @see SimplePie::enable_xml_dump()
+ * @access private
+ */
+ var $xml_dump = false;
+
+ /**
+ * @var bool Enable/Disable Caching
+ * @see SimplePie::enable_cache()
+ * @access private
+ */
+ var $cache = true;
+
+ /**
+ * @var int Cache duration (in seconds)
+ * @see SimplePie::set_cache_duration()
+ * @access private
+ */
+ var $cache_duration = 3600;
+
+ /**
+ * @var int Auto-discovery cache duration (in seconds)
+ * @see SimplePie::set_autodiscovery_cache_duration()
+ * @access private
+ */
+ var $autodiscovery_cache_duration = 604800; // 7 Days.
+
+ /**
+ * @var string Cache location (relative to executing script)
+ * @see SimplePie::set_cache_location()
+ * @access private
+ */
+ var $cache_location = './cache';
+
+ /**
+ * @var string Function that creates the cache filename
+ * @see SimplePie::set_cache_name_function()
+ * @access private
+ */
+ var $cache_name_function = 'md5';
+
+ /**
+ * @var bool Reorder feed by date descending
+ * @see SimplePie::enable_order_by_date()
+ * @access private
+ */
+ var $order_by_date = true;
+
+ /**
+ * @var mixed Force input encoding to be set to the follow value
+ * (false, or anything type-cast to false, disables this feature)
+ * @see SimplePie::set_input_encoding()
+ * @access private
+ */
+ var $input_encoding = false;
+
+ /**
+ * @var int Feed Autodiscovery Level
+ * @see SimplePie::set_autodiscovery_level()
+ * @access private
+ */
+ var $autodiscovery = SIMPLEPIE_LOCATOR_ALL;
+
+ /**
+ * @var string Class used for caching feeds
+ * @see SimplePie::set_cache_class()
+ * @access private
+ */
+ var $cache_class = 'SimplePie_Cache';
+
+ /**
+ * @var string Class used for locating feeds
+ * @see SimplePie::set_locator_class()
+ * @access private
+ */
+ var $locator_class = 'SimplePie_Locator';
+
+ /**
+ * @var string Class used for parsing feeds
+ * @see SimplePie::set_parser_class()
+ * @access private
+ */
+ var $parser_class = 'SimplePie_Parser';
+
+ /**
+ * @var string Class used for fetching feeds
+ * @see SimplePie::set_file_class()
+ * @access private
+ */
+ var $file_class = 'SimplePie_File';
+
+ /**
+ * @var string Class used for items
+ * @see SimplePie::set_item_class()
+ * @access private
+ */
+ var $item_class = 'SimplePie_Item';
+
+ /**
+ * @var string Class used for authors
+ * @see SimplePie::set_author_class()
+ * @access private
+ */
+ var $author_class = 'SimplePie_Author';
+
+ /**
+ * @var string Class used for categories
+ * @see SimplePie::set_category_class()
+ * @access private
+ */
+ var $category_class = 'SimplePie_Category';
+
+ /**
+ * @var string Class used for enclosures
+ * @see SimplePie::set_enclosures_class()
+ * @access private
+ */
+ var $enclosure_class = 'SimplePie_Enclosure';
+
+ /**
+ * @var string Class used for Media RSS <media:text> captions
+ * @see SimplePie::set_caption_class()
+ * @access private
+ */
+ var $caption_class = 'SimplePie_Caption';
+
+ /**
+ * @var string Class used for Media RSS <media:copyright>
+ * @see SimplePie::set_copyright_class()
+ * @access private
+ */
+ var $copyright_class = 'SimplePie_Copyright';
+
+ /**
+ * @var string Class used for Media RSS <media:credit>
+ * @see SimplePie::set_credit_class()
+ * @access private
+ */
+ var $credit_class = 'SimplePie_Credit';
+
+ /**
+ * @var string Class used for Media RSS <media:rating>
+ * @see SimplePie::set_rating_class()
+ * @access private
+ */
+ var $rating_class = 'SimplePie_Rating';
+
+ /**
+ * @var string Class used for Media RSS <media:restriction>
+ * @see SimplePie::set_restriction_class()
+ * @access private
+ */
+ var $restriction_class = 'SimplePie_Restriction';
+
+ /**
+ * @var string Class used for content-type sniffing
+ * @see SimplePie::set_content_type_sniffer_class()
+ * @access private
+ */
+ var $content_type_sniffer_class = 'SimplePie_Content_Type_Sniffer';
+
+ /**
+ * @var string Class used for item sources.
+ * @see SimplePie::set_source_class()
+ * @access private
+ */
+ var $source_class = 'SimplePie_Source';
+
+ /**
+ * @var mixed Set javascript query string parameter (false, or
+ * anything type-cast to false, disables this feature)
+ * @see SimplePie::set_javascript()
+ * @access private
+ */
+ var $javascript = 'js';
+
+ /**
+ * @var int Maximum number of feeds to check with autodiscovery
+ * @see SimplePie::set_max_checked_feeds()
+ * @access private
+ */
+ var $max_checked_feeds = 10;
+
+ /**
+ * @var array All the feeds found during the autodiscovery process
+ * @see SimplePie::get_all_discovered_feeds()
+ * @access private
+ */
+ var $all_discovered_feeds = array();
+
+ /**
+ * @var string Web-accessible path to the handler_favicon.php file.
+ * @see SimplePie::set_favicon_handler()
+ * @access private
+ */
+ var $favicon_handler = '';
+
+ /**
+ * @var string Web-accessible path to the handler_image.php file.
+ * @see SimplePie::set_image_handler()
+ * @access private
+ */
+ var $image_handler = '';
+
+ /**
+ * @var array Stores the URLs when multiple feeds are being initialized.
+ * @see SimplePie::set_feed_url()
+ * @access private
+ */
+ var $multifeed_url = array();
+
+ /**
+ * @var array Stores SimplePie objects when multiple feeds initialized.
+ * @access private
+ */
+ var $multifeed_objects = array();
+
+ /**
+ * @var array Stores the get_object_vars() array for use with multifeeds.
+ * @see SimplePie::set_feed_url()
+ * @access private
+ */
+ var $config_settings = null;
+
+ /**
+ * @var integer Stores the number of items to return per-feed with multifeeds.
+ * @see SimplePie::set_item_limit()
+ * @access private
+ */
+ var $item_limit = 0;
+
+ /**
+ * @var array Stores the default attributes to be stripped by strip_attributes().
+ * @see SimplePie::strip_attributes()
+ * @access private
+ */
+ var $strip_attributes = array('bgsound', 'class', 'expr', 'id', 'style', 'onclick', 'onerror', 'onfinish', 'onmouseover', 'onmouseout', 'onfocus', 'onblur', 'lowsrc', 'dynsrc');
+
+ /**
+ * @var array Stores the default tags to be stripped by strip_htmltags().
+ * @see SimplePie::strip_htmltags()
+ * @access private
+ */
+ var $strip_htmltags = array('base', 'blink', 'body', 'doctype', 'embed', 'font', 'form', 'frame', 'frameset', 'html', 'iframe', 'input', 'marquee', 'meta', 'noscript', 'object', 'param', 'script', 'style');
+
+ /**
+ * The SimplePie class contains feed level data and options
+ *
+ * There are two ways that you can create a new SimplePie object. The first
+ * is by passing a feed URL as a parameter to the SimplePie constructor
+ * (as well as optionally setting the cache location and cache expiry). This
+ * will initialise the whole feed with all of the default settings, and you
+ * can begin accessing methods and properties immediately.
+ *
+ * The second way is to create the SimplePie object with no parameters
+ * at all. This will enable you to set configuration options. After setting
+ * them, you must initialise the feed using $feed->init(). At that point the
+ * object's methods and properties will be available to you. This format is
+ * what is used throughout this documentation.
+ *
+ * @access public
+ * @since 1.0 Preview Release
+ * @param string $feed_url This is the URL you want to parse.
+ * @param string $cache_location This is where you want the cache to be stored.
+ * @param int $cache_duration This is the number of seconds that you want to store the cache file for.
+ */
+ function SimplePie($feed_url = null, $cache_location = null, $cache_duration = null)
+ {
+ // Other objects, instances created here so we can set options on them
+ $this->sanitize =& new SimplePie_Sanitize;
+
+ // Set options if they're passed to the constructor
+ if ($cache_location !== null)
+ {
+ $this->set_cache_location($cache_location);
+ }
+
+ if ($cache_duration !== null)
+ {
+ $this->set_cache_duration($cache_duration);
+ }
+
+ // Only init the script if we're passed a feed URL
+ if ($feed_url !== null)
+ {
+ $this->set_feed_url($feed_url);
+ $this->init();
+ }
+ }
+
+ /**
+ * Used for converting object to a string
+ */
+ function __toString()
+ {
+ return md5(serialize($this->data));
+ }
+
+ /**
+ * Remove items that link back to this before destroying this object
+ */
+ function __destruct()
+ {
+ if ((version_compare(PHP_VERSION, '5.3', '<') || !gc_enabled()) && !ini_get('zend.ze1_compatibility_mode'))
+ {
+ if (!empty($this->data['items']))
+ {
+ foreach ($this->data['items'] as $item)
+ {
+ $item->__destruct();
+ }
+ unset($item, $this->data['items']);
+ }
+ if (!empty($this->data['ordered_items']))
+ {
+ foreach ($this->data['ordered_items'] as $item)
+ {
+ $item->__destruct();
+ }
+ unset($item, $this->data['ordered_items']);
+ }
+ }
+ }
+
+ /**
+ * Force the given data/URL to be treated as a feed no matter what it
+ * appears like
+ *
+ * @access public
+ * @since 1.1
+ * @param bool $enable Force the given data/URL to be treated as a feed
+ */
+ function force_feed($enable = false)
+ {
+ $this->force_feed = (bool) $enable;
+ }
+
+ /**
+ * This is the URL of the feed you want to parse.
+ *
+ * This allows you to enter the URL of the feed you want to parse, or the
+ * website you want to try to use auto-discovery on. This takes priority
+ * over any set raw data.
+ *
+ * You can set multiple feeds to mash together by passing an array instead
+ * of a string for the $url. Remember that with each additional feed comes
+ * additional processing and resources.
+ *
+ * @access public
+ * @since 1.0 Preview Release
+ * @param mixed $url This is the URL (or array of URLs) that you want to parse.
+ * @see SimplePie::set_raw_data()
+ */
+ function set_feed_url($url)
+ {
+ if (is_array($url))
+ {
+ $this->multifeed_url = array();
+ foreach ($url as $value)
+ {
+ $this->multifeed_url[] = SimplePie_Misc::fix_protocol($value, 1);
+ }
+ }
+ else
+ {
+ $this->feed_url = SimplePie_Misc::fix_protocol($url, 1);
+ }
+ }
+
+ /**
+ * Provides an instance of SimplePie_File to use as a feed
+ *
+ * @access public
+ * @param object &$file Instance of SimplePie_File (or subclass)
+ * @return bool True on success, false on failure
+ */
+ function set_file(&$file)
+ {
+ if (is_a($file, 'SimplePie_File'))
+ {
+ $this->feed_url = $file->url;
+ $this->file =& $file;
+ return true;
+ }
+ return false;
+ }
+
+ /**
+ * Allows you to use a string of RSS/Atom data instead of a remote feed.
+ *
+ * If you have a feed available as a string in PHP, you can tell SimplePie
+ * to parse that data string instead of a remote feed. Any set feed URL
+ * takes precedence.
+ *
+ * @access public
+ * @since 1.0 Beta 3
+ * @param string $data RSS or Atom data as a string.
+ * @see SimplePie::set_feed_url()
+ */
+ function set_raw_data($data)
+ {
+ $this->raw_data = $data;
+ }
+
+ /**
+ * Allows you to override the default timeout for fetching remote feeds.
+ *
+ * This allows you to change the maximum time the feed's server to respond
+ * and send the feed back.
+ *
+ * @access public
+ * @since 1.0 Beta 3
+ * @param int $timeout The maximum number of seconds to spend waiting to retrieve a feed.
+ */
+ function set_timeout($timeout = 10)
+ {
+ $this->timeout = (int) $timeout;
+ }
+
+ /**
+ * Forces SimplePie to use fsockopen() instead of the preferred cURL
+ * functions.
+ *
+ * @access public
+ * @since 1.0 Beta 3
+ * @param bool $enable Force fsockopen() to be used
+ */
+ function force_fsockopen($enable = false)
+ {
+ $this->force_fsockopen = (bool) $enable;
+ }
+
+ /**
+ * Outputs the raw XML content of the feed, after it has gone through
+ * SimplePie's filters.
+ *
+ * Used only for debugging, this function will output the XML content as
+ * text/xml. When SimplePie reads in a feed, it does a bit of cleaning up
+ * before trying to parse it. Many parts of the feed are re-written in
+ * memory, and in the end, you have a parsable feed. XML dump shows you the
+ * actual XML that SimplePie tries to parse, which may or may not be very
+ * different from the original feed.
+ *
+ * @access public
+ * @since 1.0 Preview Release
+ * @param bool $enable Enable XML dump
+ */
+ function enable_xml_dump($enable = false)
+ {
+ $this->xml_dump = (bool) $enable;
+ }
+
+ /**
+ * Enables/disables caching in SimplePie.
+ *
+ * This option allows you to disable caching all-together in SimplePie.
+ * However, disabling the cache can lead to longer load times.
+ *
+ * @access public
+ * @since 1.0 Preview Release
+ * @param bool $enable Enable caching
+ */
+ function enable_cache($enable = true)
+ {
+ $this->cache = (bool) $enable;
+ }
+
+ /**
+ * Set the length of time (in seconds) that the contents of a feed
+ * will be cached.
+ *
+ * @access public
+ * @param int $seconds The feed content cache duration.
+ */
+ function set_cache_duration($seconds = 3600)
+ {
+ $this->cache_duration = (int) $seconds;
+ }
+
+ /**
+ * Set the length of time (in seconds) that the autodiscovered feed
+ * URL will be cached.
+ *
+ * @access public
+ * @param int $seconds The autodiscovered feed URL cache duration.
+ */
+ function set_autodiscovery_cache_duration($seconds = 604800)
+ {
+ $this->autodiscovery_cache_duration = (int) $seconds;
+ }
+
+ /**
+ * Set the file system location where the cached files should be stored.
+ *
+ * @access public
+ * @param string $location The file system location.
+ */
+ function set_cache_location($location = './cache')
+ {
+ $this->cache_location = (string) $location;
+ }
+
+ /**
+ * Determines whether feed items should be sorted into reverse chronological order.
+ *
+ * @access public
+ * @param bool $enable Sort as reverse chronological order.
+ */
+ function enable_order_by_date($enable = true)
+ {
+ $this->order_by_date = (bool) $enable;
+ }
+
+ /**
+ * Allows you to override the character encoding reported by the feed.
+ *
+ * @access public
+ * @param string $encoding Character encoding.
+ */
+ function set_input_encoding($encoding = false)
+ {
+ if ($encoding)
+ {
+ $this->input_encoding = (string) $encoding;
+ }
+ else
+ {
+ $this->input_encoding = false;
+ }
+ }
+
+ /**
+ * Set how much feed autodiscovery to do
+ *
+ * @access public
+ * @see SIMPLEPIE_LOCATOR_NONE
+ * @see SIMPLEPIE_LOCATOR_AUTODISCOVERY
+ * @see SIMPLEPIE_LOCATOR_LOCAL_EXTENSION
+ * @see SIMPLEPIE_LOCATOR_LOCAL_BODY
+ * @see SIMPLEPIE_LOCATOR_REMOTE_EXTENSION
+ * @see SIMPLEPIE_LOCATOR_REMOTE_BODY
+ * @see SIMPLEPIE_LOCATOR_ALL
+ * @param int $level Feed Autodiscovery Level (level can be a
+ * combination of the above constants, see bitwise OR operator)
+ */
+ function set_autodiscovery_level($level = SIMPLEPIE_LOCATOR_ALL)
+ {
+ $this->autodiscovery = (int) $level;
+ }
+
+ /**
+ * Allows you to change which class SimplePie uses for caching.
+ * Useful when you are overloading or extending SimplePie's default classes.
+ *
+ * @access public
+ * @param string $class Name of custom class.
+ * @link http://php.net/manual/en/keyword.extends.php PHP4 extends documentation
+ * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
+ */
+ function set_cache_class($class = 'SimplePie_Cache')
+ {
+ if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Cache'))
+ {
+ $this->cache_class = $class;
+ return true;
+ }
+ return false;
+ }
+
+ /**
+ * Allows you to change which class SimplePie uses for auto-discovery.
+ * Useful when you are overloading or extending SimplePie's default classes.
+ *
+ * @access public
+ * @param string $class Name of custom class.
+ * @link http://php.net/manual/en/keyword.extends.php PHP4 extends documentation
+ * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
+ */
+ function set_locator_class($class = 'SimplePie_Locator')
+ {
+ if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Locator'))
+ {
+ $this->locator_class = $class;
+ return true;
+ }
+ return false;
+ }
+
+ /**
+ * Allows you to change which class SimplePie uses for XML parsing.
+ * Useful when you are overloading or extending SimplePie's default classes.
+ *
+ * @access public
+ * @param string $class Name of custom class.
+ * @link http://php.net/manual/en/keyword.extends.php PHP4 extends documentation
+ * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
+ */
+ function set_parser_class($class = 'SimplePie_Parser')
+ {
+ if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Parser'))
+ {
+ $this->parser_class = $class;
+ return true;
+ }
+ return false;
+ }
+
+ /**
+ * Allows you to change which class SimplePie uses for remote file fetching.
+ * Useful when you are overloading or extending SimplePie's default classes.
+ *
+ * @access public
+ * @param string $class Name of custom class.
+ * @link http://php.net/manual/en/keyword.extends.php PHP4 extends documentation
+ * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
+ */
+ function set_file_class($class = 'SimplePie_File')
+ {
+ if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_File'))
+ {
+ $this->file_class = $class;
+ return true;
+ }
+ return false;
+ }
+
+ /**
+ * Allows you to change which class SimplePie uses for data sanitization.
+ * Useful when you are overloading or extending SimplePie's default classes.
+ *
+ * @access public
+ * @param string $class Name of custom class.
+ * @link http://php.net/manual/en/keyword.extends.php PHP4 extends documentation
+ * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
+ */
+ function set_sanitize_class($class = 'SimplePie_Sanitize')
+ {
+ if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Sanitize'))
+ {
+ $this->sanitize =& new $class;
+ return true;
+ }
+ return false;
+ }
+
+ /**
+ * Allows you to change which class SimplePie uses for handling feed items.
+ * Useful when you are overloading or extending SimplePie's default classes.
+ *
+ * @access public
+ * @param string $class Name of custom class.
+ * @link http://php.net/manual/en/keyword.extends.php PHP4 extends documentation
+ * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
+ */
+ function set_item_class($class = 'SimplePie_Item')
+ {
+ if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Item'))
+ {
+ $this->item_class = $class;
+ return true;
+ }
+ return false;
+ }
+
+ /**
+ * Allows you to change which class SimplePie uses for handling author data.
+ * Useful when you are overloading or extending SimplePie's default classes.
+ *
+ * @access public
+ * @param string $class Name of custom class.
+ * @link http://php.net/manual/en/keyword.extends.php PHP4 extends documentation
+ * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
+ */
+ function set_author_class($class = 'SimplePie_Author')
+ {
+ if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Author'))
+ {
+ $this->author_class = $class;
+ return true;
+ }
+ return false;
+ }
+
+ /**
+ * Allows you to change which class SimplePie uses for handling category data.
+ * Useful when you are overloading or extending SimplePie's default classes.
+ *
+ * @access public
+ * @param string $class Name of custom class.
+ * @link http://php.net/manual/en/keyword.extends.php PHP4 extends documentation
+ * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
+ */
+ function set_category_class($class = 'SimplePie_Category')
+ {
+ if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Category'))
+ {
+ $this->category_class = $class;
+ return true;
+ }
+ return false;
+ }
+
+ /**
+ * Allows you to change which class SimplePie uses for feed enclosures.
+ * Useful when you are overloading or extending SimplePie's default classes.
+ *
+ * @access public
+ * @param string $class Name of custom class.
+ * @link http://php.net/manual/en/keyword.extends.php PHP4 extends documentation
+ * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
+ */
+ function set_enclosure_class($class = 'SimplePie_Enclosure')
+ {
+ if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Enclosure'))
+ {
+ $this->enclosure_class = $class;
+ return true;
+ }
+ return false;
+ }
+
+ /**
+ * Allows you to change which class SimplePie uses for <media:text> captions
+ * Useful when you are overloading or extending SimplePie's default classes.
+ *
+ * @access public
+ * @param string $class Name of custom class.
+ * @link http://php.net/manual/en/keyword.extends.php PHP4 extends documentation
+ * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
+ */
+ function set_caption_class($class = 'SimplePie_Caption')
+ {
+ if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Caption'))
+ {
+ $this->caption_class = $class;
+ return true;
+ }
+ return false;
+ }
+
+ /**
+ * Allows you to change which class SimplePie uses for <media:copyright>
+ * Useful when you are overloading or extending SimplePie's default classes.
+ *
+ * @access public
+ * @param string $class Name of custom class.
+ * @link http://php.net/manual/en/keyword.extends.php PHP4 extends documentation
+ * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
+ */
+ function set_copyright_class($class = 'SimplePie_Copyright')
+ {
+ if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Copyright'))
+ {
+ $this->copyright_class = $class;
+ return true;
+ }
+ return false;
+ }
+
+ /**
+ * Allows you to change which class SimplePie uses for <media:credit>
+ * Useful when you are overloading or extending SimplePie's default classes.
+ *
+ * @access public
+ * @param string $class Name of custom class.
+ * @link http://php.net/manual/en/keyword.extends.php PHP4 extends documentation
+ * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
+ */
+ function set_credit_class($class = 'SimplePie_Credit')
+ {
+ if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Credit'))
+ {
+ $this->credit_class = $class;
+ return true;
+ }
+ return false;
+ }
+
+ /**
+ * Allows you to change which class SimplePie uses for <media:rating>
+ * Useful when you are overloading or extending SimplePie's default classes.
+ *
+ * @access public
+ * @param string $class Name of custom class.
+ * @link http://php.net/manual/en/keyword.extends.php PHP4 extends documentation
+ * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
+ */
+ function set_rating_class($class = 'SimplePie_Rating')
+ {
+ if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Rating'))
+ {
+ $this->rating_class = $class;
+ return true;
+ }
+ return false;
+ }
+
+ /**
+ * Allows you to change which class SimplePie uses for <media:restriction>
+ * Useful when you are overloading or extending SimplePie's default classes.
+ *
+ * @access public
+ * @param string $class Name of custom class.
+ * @link http://php.net/manual/en/keyword.extends.php PHP4 extends documentation
+ * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
+ */
+ function set_restriction_class($class = 'SimplePie_Restriction')
+ {
+ if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Restriction'))
+ {
+ $this->restriction_class = $class;
+ return true;
+ }
+ return false;
+ }
+
+ /**
+ * Allows you to change which class SimplePie uses for content-type sniffing.
+ * Useful when you are overloading or extending SimplePie's default classes.
+ *
+ * @access public
+ * @param string $class Name of custom class.
+ * @link http://php.net/manual/en/keyword.extends.php PHP4 extends documentation
+ * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
+ */
+ function set_content_type_sniffer_class($class = 'SimplePie_Content_Type_Sniffer')
+ {
+ if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Content_Type_Sniffer'))
+ {
+ $this->content_type_sniffer_class = $class;
+ return true;
+ }
+ return false;
+ }
+
+ /**
+ * Allows you to change which class SimplePie uses item sources.
+ * Useful when you are overloading or extending SimplePie's default classes.
+ *
+ * @access public
+ * @param string $class Name of custom class.
+ * @link http://php.net/manual/en/keyword.extends.php PHP4 extends documentation
+ * @link http://php.net/manual/en/language.oop5.basic.php#language.oop5.basic.extends PHP5 extends documentation
+ */
+ function set_source_class($class = 'SimplePie_Source')
+ {
+ if (SimplePie_Misc::is_subclass_of($class, 'SimplePie_Source'))
+ {
+ $this->source_class = $class;
+ return true;
+ }
+ return false;
+ }
+
+ /**
+ * Allows you to override the default user agent string.
+ *
+ * @access public
+ * @param string $ua New user agent string.
+ */
+ function set_useragent($ua = SIMPLEPIE_USERAGENT)
+ {
+ $this->useragent = (string) $ua;
+ }
+
+ /**
+ * Set callback function to create cache filename with
+ *
+ * @access public
+ * @param mixed $function Callback function
+ */
+ function set_cache_name_function($function = 'md5')
+ {
+ if (is_callable($function))
+ {
+ $this->cache_name_function = $function;
+ }
+ }
+
+ /**
+ * Set javascript query string parameter
+ *
+ * @access public
+ * @param mixed $get Javascript query string parameter
+ */
+ function set_javascript($get = 'js')
+ {
+ if ($get)
+ {
+ $this->javascript = (string) $get;
+ }
+ else
+ {
+ $this->javascript = false;
+ }
+ }
+
+ /**
+ * Set options to make SP as fast as possible. Forgoes a
+ * substantial amount of data sanitization in favor of speed.
+ *
+ * @access public
+ * @param bool $set Whether to set them or not
+ */
+ function set_stupidly_fast($set = false)
+ {
+ if ($set)
+ {
+ $this->enable_order_by_date(false);
+ $this->remove_div(false);
+ $this->strip_comments(false);
+ $this->strip_htmltags(false);
+ $this->strip_attributes(false);
+ $this->set_image_handler(false);
+ }
+ }
+
+ /**
+ * Set maximum number of feeds to check with autodiscovery
+ *
+ * @access public
+ * @param int $max Maximum number of feeds to check
+ */
+ function set_max_checked_feeds($max = 10)
+ {
+ $this->max_checked_feeds = (int) $max;
+ }
+
+ function remove_div($enable = true)
+ {
+ $this->sanitize->remove_div($enable);
+ }
+
+ function strip_htmltags($tags = '', $encode = null)
+ {
+ if ($tags === '')
+ {
+ $tags = $this->strip_htmltags;
+ }
+ $this->sanitize->strip_htmltags($tags);
+ if ($encode !== null)
+ {
+ $this->sanitize->encode_instead_of_strip($tags);
+ }
+ }
+
+ function encode_instead_of_strip($enable = true)
+ {
+ $this->sanitize->encode_instead_of_strip($enable);
+ }
+
+ function strip_attributes($attribs = '')
+ {
+ if ($attribs === '')
+ {
+ $attribs = $this->strip_attributes;
+ }
+ $this->sanitize->strip_attributes($attribs);
+ }
+
+ function set_output_encoding($encoding = 'UTF-8')
+ {
+ $this->sanitize->set_output_encoding($encoding);
+ }
+
+ function strip_comments($strip = false)
+ {
+ $this->sanitize->strip_comments($strip);
+ }
+
+ /**
+ * Set element/attribute key/value pairs of HTML attributes
+ * containing URLs that need to be resolved relative to the feed
+ *
+ * @access public
+ * @since 1.0
+ * @param array $element_attribute Element/attribute key/value pairs
+ */
+ function set_url_replacements($element_attribute = array('a' => 'href', 'area' => 'href', 'blockquote' => 'cite', 'del' => 'cite', 'form' => 'action', 'img' => array('longdesc', 'src'), 'input' => 'src', 'ins' => 'cite', 'q' => 'cite'))
+ {
+ $this->sanitize->set_url_replacements($element_attribute);
+ }
+
+ /**
+ * Set the handler to enable the display of cached favicons.
+ *
+ * @access public
+ * @param str $page Web-accessible path to the handler_favicon.php file.
+ * @param str $qs The query string that the value should be passed to.
+ */
+ function set_favicon_handler($page = false, $qs = 'i')
+ {
+ if ($page !== false)
+ {
+ $this->favicon_handler = $page . '?' . $qs . '=';
+ }
+ else
+ {
+ $this->favicon_handler = '';
+ }
+ }
+
+ /**
+ * Set the handler to enable the display of cached images.
+ *
+ * @access public
+ * @param str $page Web-accessible path to the handler_image.php file.
+ * @param str $qs The query string that the value should be passed to.
+ */
+ function set_image_handler($page = false, $qs = 'i')
+ {
+ if ($page !== false)
+ {
+ $this->sanitize->set_image_handler($page . '?' . $qs . '=');
+ }
+ else
+ {
+ $this->image_handler = '';
+ }
+ }
+
+ /**
+ * Set the limit for items returned per-feed with multifeeds.
+ *
+ * @access public
+ * @param integer $limit The maximum number of items to return.
+ */
+ function set_item_limit($limit = 0)
+ {
+ $this->item_limit = (int) $limit;
+ }
+
+ function init()
+ {
+ // Check absolute bare minimum requirements.
+ if ((function_exists('version_compare') && version_compare(PHP_VERSION, '4.3.0', '<')) || !extension_loaded('xml') || !extension_loaded('pcre'))
+ {
+ return false;
+ }
+ // Then check the xml extension is sane (i.e., libxml 2.7.x issue on PHP < 5.2.9 and libxml 2.7.0 to 2.7.2 on any version) if we don't have xmlreader.
+ elseif (!extension_loaded('xmlreader'))
+ {
+ static $xml_is_sane = null;
+ if ($xml_is_sane === null)
+ {
+ $parser_check = xml_parser_create();
+ xml_parse_into_struct($parser_check, '<foo>&</foo>', $values);
+ xml_parser_free($parser_check);
+ $xml_is_sane = isset($values[0]['value']);
+ }
+ if (!$xml_is_sane)
+ {
+ return false;
+ }
+ }
+
+ if (isset($_GET[$this->javascript]))
+ {
+ SimplePie_Misc::output_javascript();
+ exit;
+ }
+
+ // Pass whatever was set with config options over to the sanitizer.
+ $this->sanitize->pass_cache_data($this->cache, $this->cache_location, $this->cache_name_function, $this->cache_class);
+ $this->sanitize->pass_file_data($this->file_class, $this->timeout, $this->useragent, $this->force_fsockopen);
+
+ if ($this->feed_url !== null || $this->raw_data !== null)
+ {
+ $this->data = array();
+ $this->multifeed_objects = array();
+ $cache = false;
+
+ if ($this->feed_url !== null)
+ {
+ $parsed_feed_url = SimplePie_Misc::parse_url($this->feed_url);
+ // Decide whether to enable caching
+ if ($this->cache && $parsed_feed_url['scheme'] !== '')
+ {
+ $cache = call_user_func(array($this->cache_class, 'create'), $this->cache_location, call_user_func($this->cache_name_function, $this->feed_url), 'spc');
+ }
+ // If it's enabled and we don't want an XML dump, use the cache
+ if ($cache && !$this->xml_dump)
+ {
+ // Load the Cache
+ $this->data = $cache->load();
+ if (!empty($this->data))
+ {
+ // If the cache is for an outdated build of SimplePie
+ if (!isset($this->data['build']) || $this->data['build'] !== SIMPLEPIE_BUILD)
+ {
+ $cache->unlink();
+ $this->data = array();
+ }
+ // If we've hit a collision just rerun it with caching disabled
+ elseif (isset($this->data['url']) && $this->data['url'] !== $this->feed_url)
+ {
+ $cache = false;
+ $this->data = array();
+ }
+ // If we've got a non feed_url stored (if the page isn't actually a feed, or is a redirect) use that URL.
+ elseif (isset($this->data['feed_url']))
+ {
+ // If the autodiscovery cache is still valid use it.
+ if ($cache->mtime() + $this->autodiscovery_cache_duration > time())
+ {
+ // Do not need to do feed autodiscovery yet.
+ if ($this->data['feed_url'] === $this->data['url'])
+ {
+ $cache->unlink();
+ $this->data = array();
+ }
+ else
+ {
+ $this->set_feed_url($this->data['feed_url']);
+ return $this->init();
+ }
+ }
+ }
+ // Check if the cache has been updated
+ elseif ($cache->mtime() + $this->cache_duration < time())
+ {
+ // If we have last-modified and/or etag set
+ if (isset($this->data['headers']['last-modified']) || isset($this->data['headers']['etag']))
+ {
+ $headers = array();
+ if (isset($this->data['headers']['last-modified']))
+ {
+ $headers['if-modified-since'] = $this->data['headers']['last-modified'];
+ }
+ if (isset($this->data['headers']['etag']))
+ {
+ $headers['if-none-match'] = '"' . $this->data['headers']['etag'] . '"';
+ }
+ $file =& new $this->file_class($this->feed_url, $this->timeout/10, 5, $headers, $this->useragent, $this->force_fsockopen);
+ if ($file->success)
+ {
+ if ($file->status_code === 304)
+ {
+ $cache->touch();
+ return true;
+ }
+ else
+ {
+ $headers = $file->headers;
+ }
+ }
+ else
+ {
+ unset($file);
+ }
+ }
+ }
+ // If the cache is still valid, just return true
+ else
+ {
+ return true;
+ }
+ }
+ // If the cache is empty, delete it
+ else
+ {
+ $cache->unlink();
+ $this->data = array();
+ }
+ }
+ // If we don't already have the file (it'll only exist if we've opened it to check if the cache has been modified), open it.
+ if (!isset($file))
+ {
+ if (is_a($this->file, 'SimplePie_File') && $this->file->url === $this->feed_url)
+ {
+ $file =& $this->file;
+ }
+ else
+ {
+ $file =& new $this->file_class($this->feed_url, $this->timeout, 5, null, $this->useragent, $this->force_fsockopen);
+ }
+ }
+ // If the file connection has an error, set SimplePie::error to that and quit
+ if (!$file->success && !($file->method & SIMPLEPIE_FILE_SOURCE_REMOTE === 0 || ($file->status_code === 200 || $file->status_code > 206 && $file->status_code < 300)))
+ {
+ $this->error = $file->error;
+ if (!empty($this->data))
+ {
+ return true;
+ }
+ else
+ {
+ return false;
+ }
+ }
+
+ if (!$this->force_feed)
+ {
+ // Check if the supplied URL is a feed, if it isn't, look for it.
+ $locate =& new $this->locator_class($file, $this->timeout, $this->useragent, $this->file_class, $this->max_checked_feeds, $this->content_type_sniffer_class);
+ if (!$locate->is_feed($file))
+ {
+ // We need to unset this so that if SimplePie::set_file() has been called that object is untouched
+ unset($file);
+ if ($file = $locate->find($this->autodiscovery, $this->all_discovered_feeds))
+ {
+ if ($cache)
+ {
+ $this->data = array('url' => $this->feed_url, 'feed_url' => $file->url, 'build' => SIMPLEPIE_BUILD);
+ if (!$cache->save($this))
+ {
+ trigger_error("$this->cache_location is not writeable. Make sure you've set the correct relative or absolute path, and that the location is server-writable.", E_USER_WARNING);
+ }
+ $cache = call_user_func(array($this->cache_class, 'create'), $this->cache_location, call_user_func($this->cache_name_function, $file->url), 'spc');
+ }
+ $this->feed_url = $file->url;
+ }
+ else
+ {
+ $this->error = "A feed could not be found at $this->feed_url. A feed with an invalid mime type may fall victim to this error, or " . SIMPLEPIE_NAME . " was unable to auto-discover it.. Use force_feed() if you are certain this URL is a real feed.";
+ SimplePie_Misc::error($this->error, E_USER_NOTICE, __FILE__, __LINE__);
+ return false;
+ }
+ }
+ $locate = null;
+ }
+
+ $headers = $file->headers;
+ $data = $file->body;
+ $sniffer =& new $this->content_type_sniffer_class($file);
+ $sniffed = $sniffer->get_type();
+ }
+ else
+ {
+ $data = $this->raw_data;
+ }
+
+ // Set up array of possible encodings
+ $encodings = array();
+
+ // First check to see if input has been overridden.
+ if ($this->input_encoding !== false)
+ {
+ $encodings[] = $this->input_encoding;
+ }
+
+ $application_types = array('application/xml', 'application/xml-dtd', 'application/xml-external-parsed-entity');
+ $text_types = array('text/xml', 'text/xml-external-parsed-entity');
+
+ // RFC 3023 (only applies to sniffed content)
+ if (isset($sniffed))
+ {
+ if (in_array($sniffed, $application_types) || substr($sniffed, 0, 12) === 'application/' && substr($sniffed, -4) === '+xml')
+ {
+ if (isset($headers['content-type']) && preg_match('/;\x20?charset=([^;]*)/i', $headers['content-type'], $charset))
+ {
+ $encodings[] = strtoupper($charset[1]);
+ }
+ $encodings = array_merge($encodings, SimplePie_Misc::xml_encoding($data));
+ $encodings[] = 'UTF-8';
+ }
+ elseif (in_array($sniffed, $text_types) || substr($sniffed, 0, 5) === 'text/' && substr($sniffed, -4) === '+xml')
+ {
+ if (isset($headers['content-type']) && preg_match('/;\x20?charset=([^;]*)/i', $headers['content-type'], $charset))
+ {
+ $encodings[] = $charset[1];
+ }
+ $encodings[] = 'US-ASCII';
+ }
+ // Text MIME-type default
+ elseif (substr($sniffed, 0, 5) === 'text/')
+ {
+ $encodings[] = 'US-ASCII';
+ }
+ }
+
+ // Fallback to XML 1.0 Appendix F.1/UTF-8/ISO-8859-1
+ $encodings = array_merge($encodings, SimplePie_Misc::xml_encoding($data));
+ $encodings[] = 'UTF-8';
+ $encodings[] = 'ISO-8859-1';
+
+ // There's no point in trying an encoding twice
+ $encodings = array_unique($encodings);
+
+ // If we want the XML, just output that with the most likely encoding and quit
+ if ($this->xml_dump)
+ {
+ header('Content-type: text/xml; charset=' . $encodings[0]);
+ echo $data;
+ exit;
+ }
+
+ // Loop through each possible encoding, till we return something, or run out of possibilities
+ foreach ($encodings as $encoding)
+ {
+ // Change the encoding to UTF-8 (as we always use UTF-8 internally)
+ if ($utf8_data = SimplePie_Misc::change_encoding($data, $encoding, 'UTF-8'))
+ {
+ // Create new parser
+ $parser =& new $this->parser_class();
+
+ // If it's parsed fine
+ if ($parser->parse($utf8_data, 'UTF-8'))
+ {
+ $this->data = $parser->get_data();
+ if ($this->get_type() & ~SIMPLEPIE_TYPE_NONE)
+ {
+ if (isset($headers))
+ {
+ $this->data['headers'] = $headers;
+ }
+ $this->data['build'] = SIMPLEPIE_BUILD;
+
+ // Cache the file if caching is enabled
+ if ($cache && !$cache->save($this))
+ {
+ trigger_error("$this->cache_location is not writeable. Make sure you've set the correct relative or absolute path, and that the location is server-writable.", E_USER_WARNING);
+ }
+ return true;
+ }
+ else
+ {
+ $this->error = "A feed could not be found at $this->feed_url. This does not appear to be a valid RSS or Atom feed.";
+ SimplePie_Misc::error($this->error, E_USER_NOTICE, __FILE__, __LINE__);
+ return false;
+ }
+ }
+ }
+ }
+ if (isset($parser))
+ {
+ // We have an error, just set SimplePie_Misc::error to it and quit
+ $this->error = sprintf('This XML document is invalid, likely due to invalid characters. XML error: %s at line %d, column %d', $parser->get_error_string(), $parser->get_current_line(), $parser->get_current_column());
+ }
+ else
+ {
+ $this->error = 'The data could not be converted to UTF-8. You MUST have either the iconv or mbstring extension installed. Upgrading to PHP 5.x (which includes iconv) is highly recommended.';
+ }
+ SimplePie_Misc::error($this->error, E_USER_NOTICE, __FILE__, __LINE__);
+ return false;
+ }
+ elseif (!empty($this->multifeed_url))
+ {
+ $i = 0;
+ $success = 0;
+ $this->multifeed_objects = array();
+ foreach ($this->multifeed_url as $url)
+ {
+ if (SIMPLEPIE_PHP5)
+ {
+ // This keyword needs to defy coding standards for PHP4 compatibility
+ $this->multifeed_objects[$i] = clone($this);
+ }
+ else
+ {
+ $this->multifeed_objects[$i] = $this;
+ }
+ $this->multifeed_objects[$i]->set_feed_url($url);
+ $success |= $this->multifeed_objects[$i]->init();
+ $i++;
+ }
+ return (bool) $success;
+ }
+ else
+ {
+ return false;
+ }
+ }
+
+ /**
+ * Return the error message for the occured error
+ *
+ * @access public
+ * @return string Error message
+ */
+ function error()
+ {
+ return $this->error;
+ }
+
+ function get_encoding()
+ {
+ return $this->sanitize->output_encoding;
+ }
+
+ function handle_content_type($mime = 'text/html')
+ {
+ if (!headers_sent())
+ {
+ $header = "Content-type: $mime;";
+ if ($this->get_encoding())
+ {
+ $header .= ' charset=' . $this->get_encoding();
+ }
+ else
+ {
+ $header .= ' charset=UTF-8';
+ }
+ header($header);
+ }
+ }
+
+ function get_type()
+ {
+ if (!isset($this->data['type']))
+ {
+ $this->data['type'] = SIMPLEPIE_TYPE_ALL;
+ if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_10]['feed']))
+ {
+ $this->data['type'] &= SIMPLEPIE_TYPE_ATOM_10;
+ }
+ elseif (isset($this->data['child'][SIMPLEPIE_NAMESPACE_ATOM_03]['feed']))
+ {
+ $this->data['type'] &= SIMPLEPIE_TYPE_ATOM_03;
+ }
+ elseif (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF']))
+ {
+ if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_10]['channel'])
+ || isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_10]['image'])
+ || isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_10]['item'])
+ || isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_10]['textinput']))
+ {
+ $this->data['type'] &= SIMPLEPIE_TYPE_RSS_10;
+ }
+ if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_090]['channel'])
+ || isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_090]['image'])
+ || isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_090]['item'])
+ || isset($this->data['child'][SIMPLEPIE_NAMESPACE_RDF]['RDF'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_090]['textinput']))
+ {
+ $this->data['type'] &= SIMPLEPIE_TYPE_RSS_090;
+ }
+ }
+ elseif (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss']))
+ {
+ $this->data['type'] &= SIMPLEPIE_TYPE_RSS_ALL;
+ if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]['attribs']['']['version']))
+ {
+ switch (trim($this->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]['attribs']['']['version']))
+ {
+ case '0.91':
+ $this->data['type'] &= SIMPLEPIE_TYPE_RSS_091;
+ if (isset($this->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_20]['skiphours']['hour'][0]['data']))
+ {
+ switch (trim($this->data['child'][SIMPLEPIE_NAMESPACE_RSS_20]['rss'][0]['child'][SIMPLEPIE_NAMESPACE_RSS_20]['skiphours']['hour'][0]['data']))
+ {
+ case '0':
+ $this->data['type'] &= SIMPLEPIE_TYPE_RSS_091_NETSCAPE;
+ break;
+
+ case '24':
+ $this->data['type'] &= SIMPLEPIE_TYPE_RSS_091_USERLAND;
+ break;
+ }
+ }
+ break;
+
+ case '0.92':
+ $this->data['type'] &= SIMPLEPIE_TYPE_RSS_092;
+ break;
+
+ case '0.93':
+ $this->data['type'] &= SIMPLEPIE_TYPE_RSS_093;
+ break;
+
+ case '0.94':
+ $this->data['type'] &= SIMPLEPIE_TYPE_RSS_094;
+ break;
+
+ case '2.0':
+ $this->data['type'] &= SIMPLEPIE_TYPE_RSS_20;
+ break;
+ }
+ }
+ }
+ else
+ {
+ $this->data['type'] = SIMPLEPIE_TYPE_NONE;
+ }
+ }
+ return $this->data['type'];
+ }
+
+ /**
+ * Returns the URL for the favicon of the feed's website.
+ *
+ * @todo Cache atom:icon
+ * @access public
+ * @since 1.0
+ */
+ function get_favicon()
+ {
+ if ($return = $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'icon'))
+ {
+ return $this->sanitize($return[0]['data'], SIMPLEPIE_CONSTRUCT_IRI, $this->get_base($return[0]));
+ }
+ elseif (($url = $this->get_link()) !== null && preg_match('/^http(s)?:\/\//i', $url))
+ {
+ $favicon = SimplePie_Misc::absolutize_url('/favicon.ico', $url);
+
+ if ($this->cache && $this->favicon_handler)
+ {
+ $favicon_filename = call_user_func($this->cache_name_function, $favicon);
+ $cache = call_user_func(array($this->cache_class, 'create'), $this->cache_location, $favicon_filename, 'spi');
+
+ if ($cache->load())
+ {
+ return $this->sanitize($this->favicon_handler . $favicon_filename, SIMPLEPIE_CONSTRUCT_IRI);
+ }
+ else
+ {
+ $file =& new $this->file_class($favicon, $this->timeout / 10, 5, array('X-FORWARDED-FOR' => $_SERVER['REMOTE_ADDR']), $this->useragent...
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