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UniversalFeedCreator
====================
RSS and Atom feed generator by Kai Blankenhorn, slightly cleaned up and packaged for Composer.
Supported formats: RSS0.91, RSS1.0, RSS2.0, PIE0.1 (deprecated), MBOX, OPML, ATOM, ATOM0.3,
HTML, JS, PHP
[![Build Status](https://travis-ci.org/flack/UniversalFeedCreator.png?branch=master)](https://travis-ci.org/flack/UniversalFeedCreator)
## General Usage
```php
require 'vendor/autoload.php';
$rss = new UniversalFeedCreator();
$rss->useCached(); // use cached version if age < 1 hour
$rss->title = "PHP news";
$rss->description = "daily news from the PHP scripting world";
//optional
$rss->descriptionTruncSize = 500;
$rss->descriptionHtmlSyndicated = true;
$rss->link = "http://www.dailyphp.net/news";
$rss->syndicationURL = "http://www.dailyphp.net/" . $_SERVER["PHP_SELF"];
$image = new FeedImage();
$image->title = "dailyphp.net logo";
$image->url = "http://www.dailyphp.net/images/logo.gif";
$image->link = "http://www.dailyphp.net";
$image->description = "Feed provided by dailyphp.net. Click to visit.";
//optional
$image->descriptionTruncSize = 500;
$image->descriptionHtmlSyndicated = true;
$rss->image = $image;
// get your news items from somewhere, e.g. your database:
mysql_select_db($dbHost, $dbUser, $dbPass);
$res = mysql_query("SELECT * FROM news ORDER BY newsdate DESC");
while ($data = mysql_fetch_object($res)) {
$item = new FeedItem();
$item->title = $data->title;
$item->link = $data->url;
$item->description = $data->short;
//optional
$item->descriptionTruncSize = 500;
$item->descriptionHtmlSyndicated = true;
$item->date = $data->newsdate;
$item->source = "http://www.dailyphp.net";
$item->author = "John Doe";
$rss->addItem($item);
}
echo $rss->saveFeed("RSS1.0", "news/feed.xml");
```
## Changelog:
```
v1.8 12-03-13
packaged for Composer & cleaned up slightly
v1.7.7(BH) 28-03-06
added GPX Feed (Barry Hunter)
v1.7.6(BH) 20-02-06
added GeoRSS Feed (Barry Hunter)
v1.7.5(BH) 16-11-05
added BASE Feed (Barry Hunter)
v1.7.4(BH) 05-07-05
added KML Feed (Barry Hunter)
v1.7.3(BH) 05-07-05
added PHP Feed (Barry Hunter)
v1.7.2 10-11-04
license changed to LGPL
v1.7.1
fixed a syntax bug
fixed left over debug code
v1.7 07-18-04
added HTML and JavaScript feeds (configurable via CSS) (thanks to Pascal Van Hecke)
added HTML descriptions for all feed formats (thanks to Pascal Van Hecke)
added a switch to select an external stylesheet (thanks to Pascal Van Hecke)
changed default content-type to application/xml
added character encoding setting
fixed numerous smaller bugs (thanks to Sören Fuhrmann of golem.de)
improved changing ATOM versions handling (thanks to August Trometer)
improved the UniversalFeedCreator's useCached method (thanks to Sören Fuhrmann of golem.de)
added charset output in HTTP headers (thanks to Sören Fuhrmann of golem.de)
added Slashdot namespace to RSS 1.0 (thanks to Sören Fuhrmann of golem.de)
v1.6 05-10-04
added stylesheet to RSS 1.0 feeds
fixed generator comment (thanks Kevin L. Papendick and Tanguy Pruvot)
fixed RFC822 date bug (thanks Tanguy Pruvot)
added TimeZone customization for RFC8601 (thanks Tanguy Pruvot)
fixed Content-type could be empty (thanks Tanguy Pruvot)
fixed author/creator in RSS1.0 (thanks Tanguy Pruvot)
v1.6 beta 02-28-04
added Atom 0.3 support (not all features, though)
improved OPML 1.0 support (hopefully - added more elements)
added support for arbitrary additional elements (use with caution)
code beautification :-)
considered beta due to some internal changes
v1.5.1 01-27-04
fixed some RSS 1.0 glitches (thanks to Stéphane Vanpoperynghe)
fixed some inconsistencies between documentation and code (thanks to Timothy Martin)
v1.5 01-06-04
added support for OPML 1.0
added more documentation
v1.4 11-11-03
optional feed saving and caching
improved documentation
minor improvements
v1.3 10-02-03
renamed to FeedCreator, as it not only creates RSS anymore
added support for mbox
tentative support for echo/necho/atom/pie/???
v1.2 07-20-03
intelligent auto-truncating of RSS 0.91 attributes
don't create some attributes when they're not set
documentation improved
fixed a real and a possible bug with date conversions
code cleanup
v1.1 06-29-03
added images to feeds
now includes most RSS 0.91 attributes
added RSS 2.0 feeds
v1.0 06-24-03
initial release
```
## Credits
```
originally (c) Kai Blankenhorn
www.bitfolge.de
kaib@bitfolge.de
v1.3 work by Scott Reynen (scott@randomchaos.com) and Kai Blankenhorn
v1.5 OPML support by Dirk Clemens
```

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<?php
/**
* AtomCreator03 is a FeedCreator that implements the atom specification,
* as in http://www.intertwingly.net/wiki/pie/FrontPage.
* Please note that just by using AtomCreator03 you won't automatically
* produce valid atom files. For example, you have to specify either an editor
* for the feed or an author for every single feed item.
* Some elements have not been implemented yet. These are (incomplete list):
* author URL, item author's email and URL, item contents, alternate links,
* other link content types than text/html. Some of them may be created with
* AtomCreator03::additionalElements.
*
* @see FeedCreator#additionalElements
* @since 1.6
* @author Kai Blankenhorn <kaib@bitfolge.de>, Scott Reynen <scott@randomchaos.com>
*/
class AtomCreator03 extends FeedCreator
{
/**
* AtomCreator03 constructor.
*/
public function __construct()
{
$this->contentType = "application/atom+xml";
$this->encoding = "utf-8";
}
/** @inheritdoc */
public function createFeed()
{
$feed = "<?xml version=\"1.0\" encoding=\"".$this->encoding."\"?>\n";
$feed .= $this->_createGeneratorComment();
$feed .= $this->_createStylesheetReferences();
$feed .= "<feed version=\"0.3\" xmlns=\"http://purl.org/atom/ns#\"";
if ($this->format == 'TOOLBAR') {
$feed .= " xmlns:gtb=\"http://toolbar.google.com/custombuttons/\"";
}
if ($this->language != "") {
$feed .= " xml:lang=\"".$this->language."\"";
}
$feed .= ">\n";
$feed .= " <title>".htmlspecialchars($this->title)."</title>\n";
$feed .= " <tagline>".htmlspecialchars($this->description)."</tagline>\n";
$feed .= " <link rel=\"alternate\" type=\"text/html\" href=\"".htmlspecialchars($this->link)."\"/>\n";
$feed .= " <id>".htmlspecialchars($this->link)."</id>\n";
$now = new FeedDate();
$feed .= " <modified>".htmlspecialchars($now->iso8601())."</modified>\n";
if ($this->editor != "") {
$feed .= " <author>\n";
$feed .= " <name>".$this->editor."</name>\n";
if ($this->editorEmail != "") {
$feed .= " <email>".$this->editorEmail."</email>\n";
}
$feed .= " </author>\n";
}
$feed .= " <generator>".FEEDCREATOR_VERSION."</generator>\n";
$feed .= $this->_createAdditionalElements($this->additionalElements, " ");
for ($i = 0; $i < count($this->items); $i++) {
$feed .= " <entry>\n";
$feed .= " <title>".htmlspecialchars(strip_tags($this->items[$i]->title))."</title>\n";
$feed .= " <link rel=\"alternate\" type=\"text/html\" href=\"".htmlspecialchars(
$this->items[$i]->link
)."\"/>\n";
if ($this->items[$i]->date == "") {
$this->items[$i]->date = time();
}
$itemDate = new FeedDate($this->items[$i]->date);
$feed .= " <created>".htmlspecialchars($itemDate->iso8601())."</created>\n";
$feed .= " <issued>".htmlspecialchars($itemDate->iso8601())."</issued>\n";
$feed .= " <modified>".htmlspecialchars($itemDate->iso8601())."</modified>\n";
$feed .= " <id>".htmlspecialchars($this->items[$i]->link)."</id>\n";
$feed .= $this->_createAdditionalElements($this->items[$i]->additionalElements, " ");
if ($this->items[$i]->author != "") {
$feed .= " <author>\n";
$feed .= " <name>".htmlspecialchars($this->items[$i]->author)."</name>\n";
$feed .= " </author>\n";
}
if ($this->items[$i]->description != "") {
$feed .= " <summary>".htmlspecialchars($this->items[$i]->description)."</summary>\n";
}
if (isset($this->items[$i]->thumbdata)) {
$feed .= " <gtb:icon mode=\"base64\" type=\"image/jpeg\">\n";
$feed .= chunk_split(base64_encode($this->items[$i]->thumbdata))."\n";
$feed .= " </gtb:icon>\n";
}
$feed .= " </entry>\n";
}
$feed .= "</feed>\n";
return $feed;
}
}

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<?php
/**
* AtomCreator10 is a FeedCreator that implements the atom specification,
* as in http://www.atomenabled.org/developers/syndication/atom-format-spec.php
* Please note that just by using AtomCreator10 you won't automatically
* produce valid atom files. For example, you have to specify either an editor
* for the feed or an author for every single feed item.
* Some elements have not been implemented yet. These are (incomplete list):
* author URL, item author's email and URL, item contents, alternate links,
* other link content types than text/html. Some of them may be created with
* AtomCreator10::additionalElements.
*
* @see FeedCreator#additionalElements
* @since 1.7.2-mod (modified)
* @author Mohammad Hafiz Ismail (mypapit@gmail.com)
*/
class AtomCreator10 extends FeedCreator
{
/**
* AtomCreator10 constructor.
*/
public function __construct()
{
$this->contentType = "application/atom+xml";
$this->encoding = "utf-8";
}
/** @inheritdoc */
public function createFeed()
{
$feed = "<?xml version=\"1.0\" encoding=\"".$this->encoding."\"?>\n";
$feed .= $this->_createGeneratorComment();
$feed .= $this->_createStylesheetReferences();
$feed .= "<feed xmlns=\"http://www.w3.org/2005/Atom\"";
if (!empty($this->items[0]->lat)) {
$feed .= " xmlns:georss=\"http://www.georss.org/georss\"\n";
}
if ($this->language != "") {
$feed .= " xml:lang=\"".$this->language."\"";
}
$feed .= ">\n";
$feed .= " <title>".htmlspecialchars($this->title)."</title>\n";
$feed .= " <subtitle>".htmlspecialchars($this->description)."</subtitle>\n";
$feed .= " <link rel=\"alternate\" type=\"text/html\" href=\"".htmlspecialchars($this->link)."\"/>\n";
$feed .= " <id>".htmlspecialchars($this->link)."</id>\n";
$now = new FeedDate();
$feed .= " <updated>".htmlspecialchars($now->iso8601())."</updated>\n";
if ($this->editor != "") {
$feed .= " <author>\n";
$feed .= " <name>".$this->editor."</name>\n";
if ($this->editorEmail != "") {
$feed .= " <email>".$this->editorEmail."</email>\n";
}
$feed .= " </author>\n";
}
if ($this->category != "") {
$feed .= " <category term=\"".htmlspecialchars($this->category)."\" />\n";
}
if ($this->copyright != "") {
$feed .= " <rights>".FeedCreator::iTrunc(htmlspecialchars($this->copyright), 100)."</rights>\n";
}
$feed .= " <generator>".$this->version()."</generator>\n";
$feed .= " <link rel=\"self\" type=\"application/atom+xml\" href=\"".htmlspecialchars(
$this->syndicationURL
)."\" />\n";
$feed .= $this->_createAdditionalElements($this->additionalElements, " ");
for ($i = 0; $i < count($this->items); $i++) {
$feed .= " <entry>\n";
$feed .= " <title>".htmlspecialchars(strip_tags($this->items[$i]->title))."</title>\n";
$feed .= " <link rel=\"alternate\" type=\"text/html\" href=\"".htmlspecialchars(
$this->items[$i]->link
)."\"/>\n";
if ($this->items[$i]->date == "") {
$this->items[$i]->date = time();
}
$itemDate = new FeedDate($this->items[$i]->date);
$feed .= " <published>".htmlspecialchars($itemDate->iso8601())."</published>\n";
$feed .= " <updated>".htmlspecialchars($itemDate->iso8601())."</updated>\n";
$tempguid = $this->items[$i]->link;
if ($this->items[$i]->guid != "") {
$tempguid = $this->items[$i]->guid;
}
$feed .= " <id>".htmlspecialchars($tempguid)."</id>\n";
$feed .= $this->_createAdditionalElements($this->items[$i]->additionalElements, " ");
if ($this->items[$i]->author != "") {
$feed .= " <author>\n";
$feed .= " <name>".htmlspecialchars($this->items[$i]->author)."</name>\n";
if ($this->items[$i]->authorEmail != "") {
$feed .= " <email>".htmlspecialchars($this->items[$i]->authorEmail)."</email>\n";
}
if ($this->items[$i]->authorURL != "") {
$feed .= " <uri>".htmlspecialchars($this->items[$i]->authorURL)."</uri>\n";
}
$feed .= " </author>\n";
}
if (!empty($this->items[$i]->category)) {
foreach ((array) $this->items[$i]->category as $category) {
$feed .= " <category ";
if ($this->items[$i]->categoryScheme != "") {
$feed .= " scheme=\"".htmlspecialchars($this->items[$i]->categoryScheme)."\" ";
}
$feed .= " term=\"".htmlspecialchars($category)."\" />\n";
}
}
if ($this->items[$i]->description != "") {
/*
* ATOM should have at least summary tag, however this implementation may be inaccurate
*/
$tempdesc = $this->items[$i]->getDescription();
$temptype = "";
if ($this->items[$i]->descriptionHtmlSyndicated) {
$temptype = " type=\"html\"";
$tempdesc = $this->items[$i]->getDescription();
}
if (empty($this->items[$i]->descriptionTruncSize)) {
$feed .= " <content".$temptype.">".$tempdesc."</content>\n";
}
$feed .= " <summary".$temptype.">".$tempdesc."</summary>\n";
} else {
$feed .= " <summary>no summary</summary>\n";
}
if ($this->items[$i]->enclosure != null) {
$feed .= " <link rel=\"enclosure\" href=\"".$this->items[$i]->enclosure->url."\" type=\"".$this->items[$i]->enclosure->type."\" length=\"".$this->items[$i]->enclosure->length."\"";
if ($this->items[$i]->enclosure->language != "") {
$feed .= " xml:lang=\"".$this->items[$i]->enclosure->language."\" ";
}
if ($this->items[$i]->enclosure->title != "") {
$feed .= " title=\"".$this->items[$i]->enclosure->title."\" ";
}
$feed .= " /> \n";
}
if ($this->items[$i]->lat != "") {
$feed .= " <georss:point>".$this->items[$i]->lat." ".$this->items[$i]->long."</georss:point>\n";
}
$feed .= " </entry>\n";
}
$feed .= "</feed>\n";
return $feed;
}
}

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<?php
/**
* FeedCreator is the abstract base implementation for concrete
* implementations that implement a specific format of syndication.
*
* @author Kai Blankenhorn <kaib@bitfolge.de>
* @since 1.4
*/
abstract class FeedCreator extends HtmlDescribable
{
/**
* Mandatory attributes of a feed.
*/
public $title, $description, $link;
public $format = 'BASE';
/**
* Optional attributes of a feed.
*/
public $syndicationURL, $image, $language, $copyright, $pubDate, $lastBuildDate, $editor, $editorEmail, $webmaster, $category, $docs, $ttl, $rating, $skipHours, $skipDays;
/**
* The url of the external xsl stylesheet used to format the naked rss feed.
* Ignored in the output when empty.
*/
public $xslStyleSheet = "";
/** @var FeedItem[] */
public $items = Array();
/**
* Generator string
*/
public $generator = "info@mypapit.net";
/**
* This feed's MIME content type.
*
* @since 1.4
* @access private
*/
protected $contentType = "application/xml";
/**
* This feed's character encoding.
*
* @since 1.6.1
*/
protected $encoding = "UTF-8"; //"ISO-8859-1";
/**
* Any additional elements to include as an associated array. All $key => $value pairs
* will be included unencoded in the feed in the form
* <$key>$value</$key>
* Again: No encoding will be used! This means you can invalidate or enhance the feed
* if $value contains markup. This may be abused to embed tags not implemented by
* the FeedCreator class used.
*/
public $additionalElements = Array();
/**
* Adds a FeedItem to the feed.
*
* @param FeedItem $item The FeedItem to add to the feed.
*/
public function addItem($item)
{
$this->items[] = $item;
}
/**
* Get the version string for the generator
*
* @return string
*/
public function version()
{
return FEEDCREATOR_VERSION." (".$this->generator.")";
}
/**
* Truncates a string to a certain length at the most sensible point.
* First, if there's a '.' character near the end of the string, the string is truncated after this character.
* If there is no '.', the string is truncated after the last ' ' character.
* If the string is truncated, " ..." is appended.
* If the string is already shorter than $length, it is returned unchanged.
*
* @param string $string A string to be truncated.
* @param int $length the maximum length the string should be truncated to
* @return string the truncated string
*/
public static function iTrunc($string, $length)
{
if (strlen($string) <= $length) {
return $string;
}
$pos = strrpos($string, ".");
if ($pos >= $length - 4) {
$string = substr($string, 0, $length - 4);
$pos = strrpos($string, ".");
}
if ($pos >= $length * 0.4) {
return substr($string, 0, $pos + 1)." ...";
}
$pos = strrpos($string, " ");
if ($pos >= $length - 4) {
$string = substr($string, 0, $length - 4);
$pos = strrpos($string, " ");
}
if ($pos >= $length * 0.4) {
return substr($string, 0, $pos)." ...";
}
return substr($string, 0, $length - 4)." ...";
}
/**
* Creates a comment indicating the generator of this feed.
* The format of this comment seems to be recognized by
* Syndic8.com.
*/
protected function _createGeneratorComment()
{
return "<!-- generator=\"".FEEDCREATOR_VERSION."\" -->\n";
}
/**
* Creates a string containing all additional elements specified in
* $additionalElements.
*
* @param array $elements an associative array containing key => value pairs
* @param string $indentString a string that will be inserted before every generated line
* @return string the XML tags corresponding to $additionalElements
*/
protected function _createAdditionalElements($elements, $indentString = "")
{
$ae = "";
if (is_array($elements)) {
foreach ($elements AS $key => $value) {
$ae .= $indentString."<$key>$value</$key>\n";
}
}
return $ae;
}
protected function _createStylesheetReferences()
{
$xml = "";
if (!empty($this->cssStyleSheet)) {
$xml .= "<?xml-stylesheet href=\"".$this->cssStyleSheet."\" type=\"text/css\"?>\n";
}
if (!empty($this->xslStyleSheet)) {
$xml .= "<?xml-stylesheet href=\"".$this->xslStyleSheet."\" type=\"text/xsl\"?>\n";
}
return $xml;
}
/**
* Builds the feed's text.
*
* @return string the feed's complete text
*/
abstract public function createFeed();
/**
* Generate a filename for the feed cache file. The result will be $_SERVER["PHP_SELF"] with the extension changed
* to .xml. For example: echo $_SERVER["PHP_SELF"]."\n"; echo FeedCreator::_generateFilename(); would produce:
* /rss/latestnews.php
* latestnews.xml
*
* @return string the feed cache filename
* @since 1.4
* @access private
*/
protected function _generateFilename()
{
$fileInfo = pathinfo($_SERVER["PHP_SELF"]);
return substr($fileInfo["basename"], 0, -(strlen($fileInfo["extension"]) + 1)).".xml";
}
/**
* Send given file to Browser
*
* @since 1.4
* @param string $filename
*/
protected function _redirect($filename)
{
// attention, heavily-commented-out-area
// maybe use this in addition to file time checking
//header("Expires: ".date("r",time()+$this->_timeout));
/* no caching at all, doesn't seem to work as good:
header("Cache-Control: no-cache");
header("Pragma: no-cache");
*/
// HTTP redirect, some feed readers' simple HTTP implementations don't follow it
//header("Location: ".$filename);
header("Content-Type: ".$this->contentType."; charset=".$this->encoding."; filename=".basename($filename));
if (preg_match('/\.(kml|gpx)$/', $filename)) {
header("Content-Disposition: attachment; filename=".basename($filename));
} else {
header("Content-Disposition: inline; filename=".basename($filename));
}
readfile($filename);
exit();
}
/**
* Turns on caching and checks if there is a recent version of this feed in the cache.
* If there is, an HTTP redirect header is sent.
* To effectively use caching, you should create the FeedCreator object and call this method
* before anything else, especially before you do the time consuming task to build the feed
* (web fetching, for example).
*
* @since 1.4
* @param string $filename optional the filename where a recent version of the feed is saved. If not specified,
* the filename is $_SERVER["PHP_SELF"] with the extension changed to .xml (see
* _generateFilename()).
* @param int $timeout optional the timeout in seconds before a cached version is refreshed (defaults to
* 3600 = 1 hour)
*/
public function useCached($filename = "", $timeout = 3600)
{
$this->_timeout = $timeout;
if ($filename == "") {
$filename = $this->_generateFilename();
}
if (file_exists($filename) AND (time() - filemtime($filename) < $timeout)) {
$this->_redirect($filename);
}
}
/**
* Saves this feed as a file on the local disk. After the file is saved, a redirect
* header may be sent to redirect the user to the newly created file.
*
* @since 1.4
* @param string $filename optional the filename where a recent version of the feed is saved. If not
* specified, the filename is $_SERVER["PHP_SELF"] with the extension changed to .xml
* (see _generateFilename()).
* @param bool $displayContents optional send an HTTP redirect header or not. If true, the user will be
* automatically redirected to the created file.
*/
public function saveFeed($filename = "", $displayContents = true)
{
if ($filename == "") {
$filename = $this->_generateFilename();
}
$feedFile = fopen($filename, "w+");
if ($feedFile) {
fputs($feedFile, $this->createFeed());
fclose($feedFile);
if ($displayContents) {
$this->_redirect($filename);
}
} else {
echo "<br /><b>Error creating feed file, please check write permissions.</b><br />";
}
}
}

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<?php
/**
* GPXCreator is a FeedCreator that implements a GPX output, suitable for a GIS packages
*
* @since 1.7.6
* @author Barry Hunter <geo@barryhunter.co.uk>
*/
class GPXCreator extends FeedCreator
{
/**
* GPXCreator constructor.
*/
public function __construct()
{
$this->contentType = "text/xml";
$this->encoding = "utf-8";
}
/** @inheritdoc */
public function createFeed()
{
$feed = "<?xml version=\"1.0\" encoding=\"".$this->encoding."\"?>\n";
$feed .= $this->_createStylesheetReferences();
$feed .= "<gpx xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" version=\"1.0\"
creator=\"".FEEDCREATOR_VERSION."\"
xsi:schemaLocation=\"http://www.topografix.com/GPX/1/0 http://www.topografix.com/GPX/1/0/gpx.xsd\" xmlns=\"http://www.topografix.com/GPX/1/0\">\n";
$now = new FeedDate();
$feed .= "<desc>".FeedCreator::iTrunc(htmlspecialchars($this->title), 100)."</desc>
<author>{$http_host}</author>
<url>".htmlspecialchars($this->link)."</url>
<time>".htmlspecialchars($now->iso8601())."</time>
\n";
for ($i = 0; $i < count($this->items); $i++) {
$feed .= "<wpt lat=\"".$this->items[$i]->lat."\" lon=\"".$this->items[$i]->long."\">
<name>".substr(htmlspecialchars(strip_tags($this->items[$i]->title)), 0, 6)."</name>
<desc>".htmlspecialchars(strip_tags($this->items[$i]->title))."</desc>
<src>".htmlspecialchars($this->items[$i]->author)."</src>
<url>".htmlspecialchars($this->items[$i]->link)."</url>
</wpt>\n";
}
$feed .= "</gpx>\n";
return $feed;
}
}

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<?php
/**
* HTMLCreator is a FeedCreator that writes an HTML feed file to a specific
* location, overriding the createFeed method of the parent FeedCreator.
* The HTML produced can be included over http by scripting languages, or serve
* as the source for an IFrame.
* All output by this class is embedded in <div></div> tags to enable formatting
* using CSS.
*
* @author Pascal Van Hecke
* @since 1.7
*/
class HTMLCreator extends FeedCreator
{
protected $contentType = "text/html";
/**
* Contains HTML to be output at the start of the feed's html representation.
*/
public $header;
/**
* Contains HTML to be output at the end of the feed's html representation.
*/
public $footer;
/**
* Contains HTML to be output between entries. A separator is only used in
* case of multiple entries.
*/
public $separator;
/**
* Used to prefix the stylenames to make sure they are unique
* and do not clash with stylenames on the user's page.
*/
public $stylePrefix;
/** @var bool Determines whether the links open in a new window or not. */
public $openInNewWindow = true;
/** @var string image alignments in output */
public $imageAlign = "right";
/**
* In case of very simple output you may want to get rid of the style tags,
* hence this variable. There's no equivalent on item level, but of course you can
* add strings to it while iterating over the items ($this->stylelessOutput .= ...)
* and when it is non-empty, ONLY the styleless output is printed, the rest is ignored
* in the function createFeed().
*/
public $stylelessOutput = "";
/**
* Writes the HTML.
*
* @inheritdoc
*/
public function createFeed()
{
// if there is styleless output, use the content of this variable and ignore the rest
if ($this->stylelessOutput != "") {
return $this->stylelessOutput;
}
//if no stylePrefix is set, generate it yourself depending on the script name
if ($this->stylePrefix == "") {
$this->stylePrefix = str_replace(".", "_", $this->_generateFilename())."_";
}
//set an openInNewWindow_token_to be inserted or not
if ($this->openInNewWindow) {
$targetInsert = " class='target_blank'";
} else {
$targetInsert = '';
}
// use this array to put the lines in and implode later with "document.write" javascript
$feedArray = array();
if ($this->image != null) {
$imageStr = "<a href='".$this->image->link."'".$targetInsert.">".
"<img src='".$this->image->url."' border='0' alt='".
FeedCreator::iTrunc(htmlspecialchars($this->image->title), 100).
"' align='".$this->imageAlign."' ";
if ($this->image->width) {
$imageStr .= " width='".$this->image->width."' ";
}
if ($this->image->height) {
$imageStr .= " height='".$this->image->height."' ";
}
$imageStr .= "/></a>";
$feedArray[] = $imageStr;
}
if ($this->title) {
$feedArray[] = "<div class='".$this->stylePrefix."title'><a href='".$this->link."' ".$targetInsert." class='".$this->stylePrefix."title'>".
FeedCreator::iTrunc(htmlspecialchars($this->title), 100)."</a></div>";
}
if ($this->getDescription()) {
$feedArray[] = "<div class='".$this->stylePrefix."description'>".
str_replace("]]>", "", str_replace("<![CDATA[", "", $this->getDescription())).
"</div>";
}
if ($this->header) {
$feedArray[] = "<div class='".$this->stylePrefix."header'>".$this->header."</div>";
}
for ($i = 0; $i < count($this->items); $i++) {
if ($this->separator and $i > 0) {
$feedArray[] = "<div class='".$this->stylePrefix."separator'>".$this->separator."</div>";
}
if ($this->items[$i]->title) {
if ($this->items[$i]->link) {
$feedArray[] =
"<div class='".$this->stylePrefix."item_title'><a href='".$this->items[$i]->link."' class='".$this->stylePrefix.
"item_title'".$targetInsert.">".FeedCreator::iTrunc(
htmlspecialchars(strip_tags($this->items[$i]->title)),
100
).
"</a></div>";
} else {
$feedArray[] =
"<div class='".$this->stylePrefix."item_title'>".
FeedCreator::iTrunc(htmlspecialchars(strip_tags($this->items[$i]->title)), 100).
"</div>";
}
}
if ($this->items[$i]->getDescription()) {
$feedArray[] =
"<div class='".$this->stylePrefix."item_description'>".
str_replace("]]>", "", str_replace("<![CDATA[", "", $this->items[$i]->getDescription())).
"</div>";
}
}
if ($this->footer) {
$feedArray[] = "<div class='".$this->stylePrefix."footer'>".$this->footer."</div>";
}
$feed = "".join($feedArray, "\r\n");
return $feed;
}
/**
* Overrides parent to produce .html extensions
*
* @return string the feed cache filename
* @since 1.4
* @access private
*/
protected function _generateFilename()
{
$fileInfo = pathinfo($_SERVER["PHP_SELF"]);
return substr($fileInfo["basename"], 0, -(strlen($fileInfo["extension"]) + 1)).".html";
}
}

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<?php
/**
* JSCreator is a class that writes a js file to a specific
* location, overriding the createFeed method of the parent HTMLCreator.
*
* @author Pascal Van Hecke
*/
class JSCreator extends HTMLCreator
{
protected $contentType = "text/javascript";
/**
* writes the javascript
*
* @inheritdoc
*/
public function createFeed()
{
$feed = parent::createFeed();
$feedArray = explode("\n", $feed);
$jsFeed = "";
foreach ($feedArray as $value) {
$jsFeed .= "document.write('".trim(addslashes($value))."');\n";
}
return $jsFeed;
}
/**
* Overrides parent to produce .js extensions
*
* @return string the feed cache filename
* @since 1.4
* @access private
*/
protected function _generateFilename()
{
$fileInfo = pathinfo($_SERVER["PHP_SELF"]);
return substr($fileInfo["basename"], 0, -(strlen($fileInfo["extension"]) + 1)).".js";
}
}

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<?php
/**
* KMLCreator is a FeedCreator that implements a KML output, suitable for Keyhole/Google Earth
*
* @since 1.7.3
* @author Barry Hunter <geo@barryhunter.co.uk>
*/
class KMLCreator extends FeedCreator
{
/**
* KMLCreator constructor.
*/
public function __construct()
{
$this->contentType = "application/vnd.google-earth.kml+xml";
$this->encoding = "utf-8";
}
/** @inheritdoc */
public function createFeed()
{
$feed = "<?xml version=\"1.0\" encoding=\"".$this->encoding."\"?>\n";
$feed .= $this->_createStylesheetReferences();
$feed .= "<kml xmlns=\"http://earth.google.com/kml/2.0\">\n";
$feed .= "<Document>\n";
if ($_GET['LinkControl']) {
$feed .= "<NetworkLinkControl>\n<minRefreshPeriod>3600</minRefreshPeriod>\n</NetworkLinkControl>\n";
}
if (!empty($_GET['simple']) && count($this->items) > 0) {
$feed .= "<Style id=\"defaultIcon\">
<LabelStyle>
<scale>0</scale>
</LabelStyle>
</Style>
<Style id=\"hoverIcon\">".
(($this->items[0]->thumb != "") ? "
<IconStyle id=\"hoverIcon\">
<scale>2.1</scale>
</IconStyle>" : '')."
</Style>
<StyleMap id=\"defaultStyle\">
<Pair>
<key>normal</key>
<styleUrl>#defaultIcon</styleUrl>
</Pair>
<Pair>
<key>highlight</key>
<styleUrl>#hoverIcon</styleUrl>
</Pair>
</StyleMap>
";
$style = "#defaultStyle";
} else {
$style = "root://styleMaps#default?iconId=0x307";
}
$feed .= "<Folder>\n";
$feed .= " <name>".FeedCreator::iTrunc(htmlspecialchars($this->title), 100)."</name>
<description>".$this->getDescription()."</description>
<visibility>1</visibility>\n";
$this->truncSize = 500;
for ($i = 0; $i < count($this->items); $i++) {
//added here beucase description gets auto surrounded by cdata
$this->items[$i]->description = "<b>".$this->items[$i]->description."</b><br/>
".$this->items[$i]->licence."
<br/><br/><a href=\"".htmlspecialchars($this->items[$i]->link)."\">View Online</a>";
$feed .= "
<Placemark>
<description>".$this->items[$i]->getDescription(true)."</description>
<name>".FeedCreator::iTrunc(htmlspecialchars(strip_tags($this->items[$i]->title)), 100)."</name>
<visibility>1</visibility>
<Point>
<coordinates>".$this->items[$i]->long.",".$this->items[$i]->lat.",25</coordinates>
</Point>";
if ($this->items[$i]->thumb != "") {
$feed .= "
<styleUrl>$style</styleUrl>
<Style>
<icon>".htmlspecialchars($this->items[$i]->thumb)."</icon>
</Style>";
}
$feed .= "
</Placemark>\n";
}
$feed .= "</Folder>\n</Document>\n</kml>\n";
return $feed;
}
/**
* Generate a filename for the feed cache file. Overridden from FeedCreator to prevent XML data types.
*
* @return string the feed cache filename
* @since 1.4
* @access private
*/
protected function _generateFilename()
{
$fileInfo = pathinfo($_SERVER["PHP_SELF"]);
return substr($fileInfo["basename"], 0, -(strlen($fileInfo["extension"]) + 1)).".kml";
}
}

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<?php
/**
* MBOXCreator is a FeedCreator that implements the mbox format
* as described in http://www.qmail.org/man/man5/mbox.html
*
* @since 1.3
* @author Kai Blankenhorn <kaib@bitfolge.de>
*/
class MBOXCreator extends FeedCreator
{
/**
* MBOXCreator constructor.
*/
public function __construct()
{
$this->contentType = "text/plain";
$this->encoding = "ISO-8859-15";
}
/**
* Quoted Printable encoding
*
* @param string $input
* @param int $line_max wrap lines after these number of characters
* @return string
*/
protected function qp_enc($input = "", $line_max = 76)
{
$hex = array('0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F');
$lines = preg_split("/(?:\r\n|\r|\n)/", $input);
$eol = "\r\n";
$escape = "=";
$output = "";
foreach ($lines as $line) {
$linlen = strlen($line);
$newline = "";
for ($i = 0; $i < $linlen; $i++) {
$c = substr($line, $i, 1);
$dec = ord($c);
if (($dec == 32) && ($i == ($linlen - 1))) { // convert space at eol only
$c = "=20";
} elseif (($dec == 61) || ($dec < 32) || ($dec > 126)) { // always encode "\t", which is *not* required
$h2 = floor($dec / 16);
$h1 = floor($dec % 16);
$c = $escape.$hex["$h2"].$hex["$h1"];
}
if ((strlen($newline) + strlen($c)) >= $line_max) { // CRLF is not counted
$output .= $newline.$escape.$eol; // soft line break; " =\r\n" is okay
$newline = "";
}
$newline .= $c;
} // end of for
$output .= $newline.$eol;
}
return trim($output);
}
/**
* Builds the MBOX contents.
*
* @inheritdoc
*/
public function createFeed()
{
$feed = '';
for ($i = 0; $i < count($this->items); $i++) {
if ($this->items[$i]->author != "") {
$from = $this->items[$i]->author;
} else {
$from = $this->title;
}
$itemDate = new FeedDate($this->items[$i]->date);
$feed .= "From ".strtr(MBOXCreator::qp_enc($from), " ", "_")." ".date(
"D M d H:i:s Y",
$itemDate->unix()
)."\n";
$feed .= "Content-Type: text/plain;\n";
$feed .= " charset=\"".$this->encoding."\"\n";
$feed .= "Content-Transfer-Encoding: quoted-printable\n";
$feed .= "Content-Type: text/plain\n";
$feed .= "From: \"".MBOXCreator::qp_enc($from)."\"\n";
$feed .= "Date: ".$itemDate->rfc822()."\n";
$feed .= "Subject: ".MBOXCreator::qp_enc(FeedCreator::iTrunc($this->items[$i]->title, 100))."\n";
$feed .= "\n";
$body = chunk_split(MBOXCreator::qp_enc($this->items[$i]->description));
$feed .= preg_replace("~\nFrom ([^\n]*)(\n?)~", "\n>From $1$2\n", $body);
$feed .= "\n";
$feed .= "\n";
}
return $feed;
}
/**
* Generate a filename for the feed cache file. Overridden from FeedCreator to prevent XML data types.
*
* @return string the feed cache filename
* @since 1.4
* @access private
*/
protected function _generateFilename()
{
$fileInfo = pathinfo($_SERVER["PHP_SELF"]);
return substr($fileInfo["basename"], 0, -(strlen($fileInfo["extension"]) + 1)).".mbox";
}
}

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<?php
/**
* OPMLCreator is a FeedCreator that implements OPML 1.0.
*
* @see http://opml.scripting.com/spec
* @author Dirk Clemens, Kai Blankenhorn
* @since 1.5
*/
class OPMLCreator extends FeedCreator
{
/**
* OPMLCreator constructor.
*/
public function __construct()
{
$this->encoding = "utf-8";
}
/** @inheritdoc */
public function createFeed()
{
$feed = "<?xml version=\"1.0\" encoding=\"".$this->encoding."\"?>\n";
$feed .= $this->_createGeneratorComment();
$feed .= $this->_createStylesheetReferences();
$feed .= "<opml xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\">\n";
$feed .= " <head>\n";
$feed .= " <title>".htmlspecialchars($this->title)."</title>\n";
if ($this->pubDate != "") {
$date = new FeedDate($this->pubDate);
$feed .= " <dateCreated>".$date->rfc822()."</dateCreated>\n";
}
if ($this->lastBuildDate != "") {
$date = new FeedDate($this->lastBuildDate);
$feed .= " <dateModified>".$date->rfc822()."</dateModified>\n";
}
if ($this->editor != "") {
$feed .= " <ownerName>".$this->editor."</ownerName>\n";
}
if ($this->editorEmail != "") {
$feed .= " <ownerEmail>".$this->editorEmail."</ownerEmail>\n";
}
$feed .= " </head>\n";
$feed .= " <body>\n";
for ($i = 0; $i < count($this->items); $i++) {
$feed .= " <outline type=\"rss\" ";
$title = htmlspecialchars(strip_tags(strtr($this->items[$i]->title, "\n\r", " ")));
$feed .= " title=\"".$title."\"";
$feed .= " text=\"".$title."\"";
if (isset($this->items[$i]->xmlUrl)) {
$feed .= " xmlUrl=\"".htmlspecialchars($this->items[$i]->xmlUrl)."\"";
}
if (isset($this->items[$i]->link)) {
$feed .= " url=\"".htmlspecialchars($this->items[$i]->link)."\"";
}
$feed .= "/>\n";
}
$feed .= " </body>\n";
$feed .= "</opml>\n";
return $feed;
}
}

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<?php
/**
* PHPCreator is a FeedCreator that implements a PHP output, suitable for an include
*
* @since 1.7.3
* @author Barry Hunter <geo@barryhunter.co.uk>
*/
class PHPCreator extends FeedCreator
{
/**
* PHPCreator constructor.
*/
public function __construct()
{
$this->contentType = "text/plain";
$this->encoding = "utf-8";
}
/** @inheritdoc */
public function createFeed()
{
$feed = "<?php\n";
$feed .= "class FeedItem {}\n";
$feed .= " \$feedTitle='".addslashes(FeedCreator::iTrunc(htmlspecialchars($this->title), 100))."';\n";
$this->truncSize = 500;
$feed .= " \$feedDescription='".addslashes($this->getDescription())."';\n";
$feed .= " \$feedLink='".$this->link."';\n";
$feed .= " \$feedItem = array();\n";
for ($i = 0; $i < count($this->items); $i++) {
$feed .= " \$feedItem[$i] = new FeedItem();\n";
if ($this->items[$i]->guid != "") {
$feed .= " \$feedItem[$i]->id='".htmlspecialchars($this->items[$i]->guid)."';\n";
}
$feed .= " \$feedItem[$i]->title='".addslashes(
FeedCreator::iTrunc(htmlspecialchars(strip_tags($this->items[$i]->title)), 100)
)."';\n";
$feed .= " \$feedItem[$i]->link='".htmlspecialchars($this->items[$i]->link)."';\n";
$feed .= " \$feedItem[$i]->date=".htmlspecialchars($this->items[$i]->date).";\n";
if ($this->items[$i]->author != "") {
$feed .= " \$feedItem[$i]->author='".htmlspecialchars($this->items[$i]->author)."';\n";
if ($this->items[$i]->authorEmail != "") {
$feed .= " \$feedItem[$i]->authorEmail='".$this->items[$i]->authorEmail."';\n";
}
}
$feed .= " \$feedItem[$i]->description='".addslashes($this->items[$i]->getDescription())."';\n";
if ($this->items[$i]->thumb != "") {
$feed .= " \$feedItem[$i]->thumbURL='".htmlspecialchars($this->items[$i]->thumb)."';\n";
}
}
$feed .= "?>\n";
return $feed;
}
}

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<?php
/**
* PIECreator01 is a FeedCreator that implements the emerging PIE specification,
* as in http://intertwingly.net/wiki/pie/Syntax.
*
* @deprecated
* @since 1.3
* @author Scott Reynen <scott@randomchaos.com> and Kai Blankenhorn <kaib@bitfolge.de>
*/
class PIECreator01 extends FeedCreator
{
/**
* PIECreator01 constructor.
*/
public function __construct()
{
$this->encoding = "utf-8";
}
/** @inheritdoc */
public function createFeed()
{
$feed = "<?xml version=\"1.0\" encoding=\"".$this->encoding."\"?>\n";
$feed .= $this->_createStylesheetReferences();
$feed .= "<feed version=\"0.1\" xmlns=\"http://example.com/newformat#\">\n";
$feed .= " <title>".FeedCreator::iTrunc(htmlspecialchars($this->title), 100)."</title>\n";
$this->truncSize = 500;
$feed .= " <subtitle>".$this->getDescription()."</subtitle>\n";
$feed .= " <link>".$this->link."</link>\n";
for ($i = 0; $i < count($this->items); $i++) {
$feed .= " <entry>\n";
$feed .= " <title>".FeedCreator::iTrunc(
htmlspecialchars(strip_tags($this->items[$i]->title)),
100
)."</title>\n";
$feed .= " <link>".htmlspecialchars($this->items[$i]->link)."</link>\n";
$itemDate = new FeedDate($this->items[$i]->date);
$feed .= " <created>".htmlspecialchars($itemDate->iso8601())."</created>\n";
$feed .= " <issued>".htmlspecialchars($itemDate->iso8601())."</issued>\n";
$feed .= " <modified>".htmlspecialchars($itemDate->iso8601())."</modified>\n";
$feed .= " <id>".htmlspecialchars($this->items[$i]->guid)."</id>\n";
if ($this->items[$i]->author != "") {
$feed .= " <author>\n";
$feed .= " <name>".htmlspecialchars($this->items[$i]->author)."</name>\n";
if ($this->items[$i]->authorEmail != "") {
$feed .= " <email>".$this->items[$i]->authorEmail."</email>\n";
}
$feed .= " </author>\n";
}
$feed .= " <content type=\"text/html\" xml:lang=\"en-us\">\n";
$feed .= " <div xmlns=\"http://www.w3.org/1999/xhtml\">".$this->items[$i]->getDescription(
)."</div>\n";
$feed .= " </content>\n";
$feed .= " </entry>\n";
}
$feed .= "</feed>\n";
return $feed;
}
}

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<?php
/**
* RSSCreator091 is a FeedCreator that implements RSS 0.91 Spec, revision 3.
*
* @see http://my.netscape.com/publish/formats/rss-spec-0.91.html
* @since 1.3
* @author Kai Blankenhorn <kaib@bitfolge.de>
*/
class RSSCreator091 extends FeedCreator
{
/** @var string Stores this RSS feed's version number. */
protected $RSSVersion;
/**
* RSSCreator091 constructor.
*/
function __construct()
{
$this->_setRSSVersion("0.91");
$this->contentType = "application/rss+xml";
}
/**
* Sets this RSS feed's version number.
*
* @param string $version
*/
protected function _setRSSVersion($version)
{
$this->RSSVersion = $version;
}
/** @inheritdoc */
public function createFeed()
{
$feed = "<?xml version=\"1.0\" encoding=\"".$this->encoding."\"?>\n";
$feed .= $this->_createGeneratorComment();
$feed .= $this->_createStylesheetReferences();
$feed .= "<rss version=\"".$this->RSSVersion."\"";
if (count($this->items) > 0
&& !empty($this->items[0]->lat)
) {
$feed .= " xmlns:georss=\"http://www.georss.org/georss/\"\n";
}
if (count($this->items) > 0
&& isset($this->items[0]->additionalElements['xcal:dtstart'])
) {
$feed .= " xmlns:xcal=\"urn:ietf:params:xml:ns:xcal\"\n";
}
$feed .= ">\n";
if ($this->format == 'BASE') {
$feed .= " <channel xmlns:g=\"http://base.google.com/ns/1.0\">\n";
} else {
$feed .= " <channel>\n";
}
$feed .= " <title>".FeedCreator::iTrunc(htmlspecialchars($this->title), 100)."</title>\n";
$this->descriptionTruncSize = 500;
$feed .= " <description>".$this->getDescription()."</description>\n";
$feed .= " <link>".$this->link."</link>\n";
$now = new FeedDate();
$feed .= " <lastBuildDate>".htmlspecialchars(
$this->lastBuildDate ?: $now->rfc822()
)."</lastBuildDate>\n";
$feed .= " <generator>".FEEDCREATOR_VERSION."</generator>\n";
if ($this->image != null) {
$feed .= " <image>\n";
$feed .= " <url>".$this->image->url."</url>\n";
$feed .= " <title>".FeedCreator::iTrunc(htmlspecialchars($this->image->title), 100)."</title>\n";
$feed .= " <link>".$this->image->link."</link>\n";
if ($this->image->width != "") {
$feed .= " <width>".$this->image->width."</width>\n";
}
if ($this->image->height != "") {
$feed .= " <height>".$this->image->height."</height>\n";
}
if ($this->image->description != "") {
$feed .= " <description>".htmlspecialchars($this->image->description)."</description>\n";
}
$feed .= " </image>\n";
}
if ($this->language != "") {
$feed .= " <language>".$this->language."</language>\n";
}
if ($this->copyright != "") {
$feed .= " <copyright>".FeedCreator::iTrunc(
htmlspecialchars($this->copyright),
100
)."</copyright>\n";
}
if ($this->editor != "") {
$feed .= " <managingEditor>".FeedCreator::iTrunc(
htmlspecialchars($this->editor),
100
)."</managingEditor>\n";
}
if ($this->webmaster != "") {
$feed .= " <webMaster>".FeedCreator::iTrunc(
htmlspecialchars($this->webmaster),
100
)."</webMaster>\n";
}
if ($this->pubDate != "") {
$pubDate = new FeedDate($this->pubDate);
$feed .= " <pubDate>".htmlspecialchars($pubDate->rfc822())."</pubDate>\n";
}
if ($this->category != "") {
$feed .= " <category>".htmlspecialchars($this->category)."</category>\n";
}
if ($this->docs != "") {
$feed .= " <docs>".FeedCreator::iTrunc(htmlspecialchars($this->docs), 500)."</docs>\n";
}
if ($this->ttl != "") {
$feed .= " <ttl>".htmlspecialchars($this->ttl)."</ttl>\n";
}
if ($this->rating != "") {
$feed .= " <rating>".FeedCreator::iTrunc(htmlspecialchars($this->rating), 500)."</rating>\n";
}
if ($this->skipHours != "") {
$feed .= " <skipHours>".htmlspecialchars($this->skipHours)."</skipHours>\n";
}
if ($this->skipDays != "") {
$feed .= " <skipDays>".htmlspecialchars($this->skipDays)."</skipDays>\n";
}
$feed .= $this->_createAdditionalElements($this->additionalElements, " ");
for ($i = 0; $i < count($this->items); $i++) {
$feed .= " <item>\n";
$feed .= " <title>".FeedCreator::iTrunc(
htmlspecialchars(strip_tags($this->items[$i]->title)),
100
)."</title>\n";
$feed .= " <link>".htmlspecialchars($this->items[$i]->link)."</link>\n";
$feed .= " <description>".$this->items[$i]->getDescription()."</description>\n";
$creator = $this->getAuthor($this->items[$i]->author, $this->items[$i]->authorEmail);
if ($creator) {
$feed .= " <author>".htmlspecialchars($creator)."</author>\n";
}
/*
// on hold
if ($this->items[$i]->source!="") {
$feed.= " <source>".htmlspecialchars($this->items[$i]->source)."</source>\n";
}
*/
if ($this->items[$i]->lat != "") {
$feed .= " <georss:point>".$this->items[$i]->lat." ".$this->items[$i]->long."</georss:point>\n";
}
if (is_array($this->items[$i]->category)) {
foreach ($this->items[$i]->category as $cat) {
$feed .= " <category>".htmlspecialchars($cat)."</category>\n";
}
} else {
if ($this->items[$i]->category != "") {
$feed .= " <category>".htmlspecialchars($this->items[$i]->category)."</category>\n";
}
}
if ($this->items[$i]->comments != "") {
$feed .= " <comments>".htmlspecialchars($this->items[$i]->comments)."</comments>\n";
}
if ($this->items[$i]->date != "") {
$itemDate = new FeedDate($this->items[$i]->date);
$feed .= " <pubDate>".htmlspecialchars($itemDate->rfc822())."</pubDate>\n";
}
if ($this->items[$i]->guid != "") {
$feed .= " <guid>".htmlspecialchars($this->items[$i]->guid)."</guid>\n";
}
if ($this->items[$i]->thumb != "") {
$feed .= " <g:image_link>".htmlspecialchars($this->items[$i]->thumb)."</g:image_link>\n";
}
$feed .= $this->_createAdditionalElements($this->items[$i]->additionalElements, " ");
$feed .= " </item>\n";
}
$feed .= " </channel>\n";
$feed .= "</rss>\n";
return $feed;
}
/**
* Compose the RSS-0.91 and RSS-2.0 author field.
*
* @author Joe Lapp <joe.lapp@pobox.com>
*/
function getAuthor($author, $email)
{
if ($author && $email) {
return $email.' ('.$author.')';
}
return $email;
}
}

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<?php
/**
* RSSCreator10 is a FeedCreator that implements RDF Site Summary (RSS) 1.0.
*
* @see http://www.purl.org/rss/1.0/
* @since 1.3
* @author Kai Blankenhorn <kaib@bitfolge.de>
*/
class RSSCreator10 extends FeedCreator
{
/** @inheritdoc */
public function createFeed()
{
$feed = "<?xml version=\"1.0\" encoding=\"".$this->encoding."\"?>\n";
$feed .= $this->_createGeneratorComment();
if (empty($this->cssStyleSheet)) {
$this->cssStyleSheet = "http://www.w3.org/2000/08/w3c-synd/style.css";
}
$feed .= $this->_createStylesheetReferences();
$feed .= "<rdf:RDF\n";
$feed .= " xmlns=\"http://purl.org/rss/1.0/\"\n";
$feed .= " xmlns:rdf=\"http://www.w3.org/1999/02/22-rdf-syntax-ns#\"\n";
$feed .= " xmlns:slash=\"http://purl.org/rss/1.0/modules/slash/\"\n";
if (!empty($this->items[0]->thumb)) {
$feed .= " xmlns:photo=\"http://www.pheed.com/pheed/\"\n";
}
if (!empty($this->items[0]->lat)) {
$feed .= " xmlns:georss=\"http://www.georss.org/georss\"\n";
}
$feed .= " xmlns:dc=\"http://purl.org/dc/elements/1.1/\">\n";
$feed .= " <channel rdf:about=\"".$this->syndicationURL."\">\n";
$feed .= " <title>".htmlspecialchars($this->title)."</title>\n";
$feed .= " <description>".htmlspecialchars($this->description)."</description>\n";
$feed .= " <link>".$this->link."</link>\n";
if ($this->image != null) {
$feed .= " <image rdf:resource=\"".$this->image->url."\" />\n";
}
$now = new FeedDate();
$feed .= " <dc:date>".htmlspecialchars($now->iso8601())."</dc:date>\n";
$feed .= " <items>\n";
$feed .= " <rdf:Seq>\n";
for ($i = 0; $i < count($this->items); $i++) {
$feed .= " <rdf:li rdf:resource=\"".htmlspecialchars($this->items[$i]->link)."\"/>\n";
}
$feed .= " </rdf:Seq>\n";
$feed .= " </items>\n";
$feed .= " </channel>\n";
if ($this->image != null) {
$feed .= " <image rdf:about=\"".$this->image->url."\">\n";
$feed .= " <title>".$this->image->title."</title>\n";
$feed .= " <link>".$this->image->link."</link>\n";
$feed .= " <url>".$this->image->url."</url>\n";
$feed .= " </image>\n";
}
$feed .= $this->_createAdditionalElements($this->additionalElements, " ");
for ($i = 0; $i < count($this->items); $i++) {
$feed .= " <item rdf:about=\"".htmlspecialchars($this->items[$i]->link)."\">\n";
$feed .= " <dc:format>text/html</dc:format>\n";
if ($this->items[$i]->date != null) {
$itemDate = new FeedDate($this->items[$i]->date);
$feed .= " <dc:date>".htmlspecialchars($itemDate->iso8601())."</dc:date>\n";
}
if ($this->items[$i]->source != "") {
$feed .= " <dc:source>".htmlspecialchars($this->items[$i]->source)."</dc:source>\n";
}
$creator = $this->getAuthor($this->items[$i]->author, $this->items[$i]->authorEmail);
if ($creator) {
$feed .= " <dc:creator>".htmlspecialchars($creator)."</dc:creator>\n";
}
if ($this->items[$i]->lat != "") {
$feed .= " <georss:point>".$this->items[$i]->lat." ".$this->items[$i]->long."</georss:point>\n";
}
if ($this->items[$i]->thumb != "") {
$feed .= " <photo:thumbnail>".htmlspecialchars($this->items[$i]->thumb)."</photo:thumbnail>\n";
}
$feed .= " <title>".htmlspecialchars(
strip_tags(strtr($this->items[$i]->title, "\n\r", " "))
)."</title>\n";
$feed .= " <link>".htmlspecialchars($this->items[$i]->link)."</link>\n";
$feed .= " <description>".htmlspecialchars($this->items[$i]->description)."</description>\n";
$feed .= $this->_createAdditionalElements($this->items[$i]->additionalElements, " ");
$feed .= " </item>\n";
}
$feed .= "</rdf:RDF>\n";
return $feed;
}
/**
* Compose the RSS-1.0 author field.
*
* @author Joe Lapp <joe.lapp@pobox.com>
* @param string $author
* @param string $email
* @return string
*/
protected function getAuthor($author, $email)
{
if ($author) {
if ($email) {
return $author.' ('.$email.')';
}
return $author;
}
return $email;
}
}

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<?php
/**
* RSSCreator20 is a FeedCreator that implements RDF Site Summary (RSS) 2.0.
*
* @see http://backend.userland.com/rss
* @since 1.3
* @author Kai Blankenhorn <kaib@bitfolge.de>
*/
class RSSCreator20 extends RSSCreator091
{
/**
* RSSCreator20 constructor.
*/
public function __construct()
{
parent::__construct();
parent::_setRSSVersion("2.0");
}
}

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<?php
/**
* FeedDate is an internal class that stores a date for a feed or feed item.
* Usually, you won't need to use this.
*/
class FeedDate
{
protected $unix;
/**
* Creates a new instance of FeedDate representing a given date.
* Accepts RFC 822, ISO 8601 date formats as well as unix time stamps.
*
* @param mixed $dateString optional the date this FeedDate will represent. If not specified, the current date and
* time is used.
*/
public function __construct($dateString = "")
{
if ($dateString == "") {
$dateString = date("r");
}
if (is_integer($dateString)) {
$this->unix = $dateString;
return;
}
$tzOffset = 0;
if (preg_match(
"~(?:(?:Mon|Tue|Wed|Thu|Fri|Sat|Sun),\\s+)?(\\d{1,2})\\s+([a-zA-Z]{3})\\s+(\\d{4})\\s+(\\d{2}):(\\d{2}):(\\d{2})\\s+(.*)~",
$dateString,
$matches
)) {
$months = Array(
"Jan" => 1,
"Feb" => 2,
"Mar" => 3,
"Apr" => 4,
"May" => 5,
"Jun" => 6,
"Jul" => 7,
"Aug" => 8,
"Sep" => 9,
"Oct" => 10,
"Nov" => 11,
"Dec" => 12,
);
$this->unix = mktime($matches[4], $matches[5], $matches[6], $months[$matches[2]], $matches[1], $matches[3]);
if (substr($matches[7], 0, 1) == '+' OR substr($matches[7], 0, 1) == '-') {
$tzOffset = (((int)substr($matches[7], 0, 3) * 60) + (int)substr($matches[7], -2)) * 60;
} else {
if (strlen($matches[7]) == 1) {
$oneHour = 3600;
$ord = ord($matches[7]);
if ($ord < ord("M")) {
$tzOffset = (ord("A") - $ord - 1) * $oneHour;
} elseif ($ord >= ord("M") AND $matches[7] != "Z") {
$tzOffset = ($ord - ord("M")) * $oneHour;
} elseif ($matches[7] == "Z") {
$tzOffset = 0;
}
}
switch ($matches[7]) {
case "UT":
case "GMT":
$tzOffset = 0;
}
}
$this->unix += $tzOffset;
return;
}
if (preg_match("~(\\d{4})-(\\d{2})-(\\d{2})T(\\d{2}):(\\d{2}):(\\d{2})(.*)~", $dateString, $matches)) {
$this->unix = mktime($matches[4], $matches[5], $matches[6], $matches[2], $matches[3], $matches[1]);
if (substr($matches[7], 0, 1) == '+' OR substr($matches[7], 0, 1) == '-') {
$tzOffset = (((int)substr($matches[7], 0, 3) * 60) + (int)substr($matches[7], -2)) * 60;
} else {
if ($matches[7] == "Z") {
$tzOffset = 0;
}
}
$this->unix += $tzOffset;
return;
}
$this->unix = 0;
}
/**
* Gets the date stored in this FeedDate as an RFC 822 date.
*
* @return string a date in RFC 822 format
*/
public function rfc822()
{
//return gmdate("r",$this->unix);
$date = gmdate("D, d M Y H:i:s O", $this->unix);
return $date;
}
/**
* Gets the date stored in this FeedDate as an ISO 8601 date.
*
* @return string a date in ISO 8601 format
*/
public function iso8601()
{
$date = gmdate("Y-m-d\TH:i:sP", $this->unix);
return $date;
}
/**
* Gets the date stored in this FeedDate as unix time stamp.
*
* @return int a date as a unix time stamp
*/
public function unix()
{
return $this->unix;
}
}

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<?php
/**
* A FeedHtmlField describes and generates
* a feed, item or image html field (probably a description). Output is
* generated based on $truncSize, $syndicateHtml properties.
*
* @author Pascal Van Hecke <feedcreator.class.php@vanhecke.info>
* @version 1.6
*/
class FeedHtmlField
{
/**
* Mandatory attributes of a FeedHtmlField.
*/
protected $rawFieldContent;
/**
* Optional attributes of a FeedHtmlField.
*/
public $truncSize, $syndicateHtml;
/**
* Creates a new instance of FeedHtmlField.
*
* @param string $parFieldContent if given, sets the rawFieldContent property
*/
public function __construct($parFieldContent)
{
if ($parFieldContent) {
$this->rawFieldContent = $parFieldContent;
}
}
/**
* Creates the right output, depending on $truncSize, $syndicateHtml properties.
*
* @return string the formatted field
*/
public function output()
{
// when field available and syndicated in html we assume
// - valid html in $rawFieldContent and we enclose in CDATA tags
// - no truncation (truncating risks producing invalid html)
if (!$this->rawFieldContent) {
$result = "";
} elseif ($this->syndicateHtml) {
$result = "<![CDATA[".$this->rawFieldContent."]]>";
} else {
if ($this->truncSize and is_int($this->truncSize)) {
$result = FeedCreator::iTrunc(htmlspecialchars($this->rawFieldContent), $this->truncSize);
} else {
$result = htmlspecialchars($this->rawFieldContent);
}
}
return $result;
}
}

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<?php
/**
* A FeedImage may be added to a FeedCreator feed.
*
* @author Kai Blankenhorn <kaib@bitfolge.de>
* @since 1.3
*/
class FeedImage extends HtmlDescribable
{
/**
* Mandatory attributes of an image.
*/
public $title, $url, $link;
/**
* Optional attributes of an image.
*/
public $width, $height, $description;
}

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<?php
/**
* A FeedItem is a part of a FeedCreator feed.
*
* @author Kai Blankenhorn <kaib@bitfolge.de>
* @since 1.3
*/
class FeedItem extends HtmlDescribable
{
/**
* Mandatory attributes of an item.
*/
public $title, $description, $link;
/**
* Optional attributes of an item.
*/
public $author, $authorEmail, $authorURL, $image, $category, $categoryScheme, $comments, $guid, $source, $creator, $contributor, $lat, $long, $thumb;
/**
* Publishing date of an item. May be in one of the following formats:
* RFC 822:
* "Mon, 20 Jan 03 18:05:41 +0400"
* "20 Jan 03 18:05:41 +0000"
* ISO 8601:
* "2003-01-20T18:05:41+04:00"
* Unix:
* 1043082341
*/
public $date;
/**
* Add <enclosure> element tag RSS 2.0, supported by ATOM 1.0 too
* modified by : Mohammad Hafiz bin Ismail (mypapit@gmail.com)
* display :
* <enclosure length="17691" url="http://something.com/picture.jpg" type="image/jpeg" />
*/
public $enclosure;
/**
* Any additional elements to include as an associated array. All $key => $value pairs
* will be included unencoded in the feed item in the form
* <$key>$value</$key>
* Again: No encoding will be used! This means you can invalidate or enhance the feed
* if $value contains markup. This may be abused to embed tags not implemented by
* the FeedCreator class used.
*/
public $additionalElements = Array();
// on hold
// var $source;
}

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content/vendor/openpsa/universalfeedcreator/lib/Element/HtmlDescribable.php vendored Normal file
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<?php
/**
* An HtmlDescribable is an item within a feed that can have a description that may
* include HTML markup.
*/
class HtmlDescribable
{
/**
* Indicates whether the description field should be rendered in HTML.
*/
public $descriptionHtmlSyndicated;
/**
* Indicates whether and to how many characters a description should be truncated.
*/
public $descriptionTruncSize;
/** @var string the Description */
public $description;
/**
* Returns a formatted description field, depending on descriptionHtmlSyndicated and
* $descriptionTruncSize properties
*
* @param bool $overrideSyndicateHtml
* @return string the formatted description
*/
public function getDescription($overrideSyndicateHtml = false)
{
$descriptionField = new FeedHtmlField($this->description);
$descriptionField->syndicateHtml = $overrideSyndicateHtml || $this->descriptionHtmlSyndicated;
$descriptionField->truncSize = $this->descriptionTruncSize;
return $descriptionField->output();
}
}

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content/vendor/openpsa/universalfeedcreator/lib/UniversalFeedCreator.php vendored Normal file
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<?php
/**
* UniversalFeedCreator lets you choose during runtime which
* format to build.
* For general usage of a feed class, see the FeedCreator class
* below or the example above.
*
* @since 1.3
* @author Kai Blankenhorn <kaib@bitfolge.de>
*/
class UniversalFeedCreator extends FeedCreator
{
/** @var FeedCreator */
protected $_feed;
/**
* @param string $format
*/
protected function _setFormat($format)
{
switch (strtoupper($format)) {
case "BASE":
$this->format = $format;
case "2.0":
// fall through
case "RSS2.0":
$this->_feed = new RSSCreator20();
break;
case "GEOPHOTORSS":
case "PHOTORSS":
case "GEORSS":
$this->format = $format;
case "1.0":
// fall through
case "RSS1.0":
$this->_feed = new RSSCreator10();
break;
case "0.91":
// fall through
case "RSS0.91":
$this->_feed = new RSSCreator091();
break;
case "PIE0.1":
$this->_feed = new PIECreator01();
break;
case "MBOX":
$this->_feed = new MBOXCreator();
break;
case "OPML":
$this->_feed = new OPMLCreator();
break;
case "TOOLBAR":
$this->format = $format;
case "ATOM":
// fall through: always the latest ATOM version
case "ATOM1.0":
$this->_feed = new AtomCreator10();
break;
case "ATOM0.3":
$this->_feed = new AtomCreator03();
break;
case "HTML":
$this->_feed = new HTMLCreator();
break;
case "PHP":
$this->_feed = new PHPCreator();
break;
case "GPX":
$this->_feed = new GPXCreator();
break;
case "KML":
$this->_feed = new KMLCreator();
break;
case "JS":
// fall through
case "JAVASCRIPT":
$this->_feed = new JSCreator();
break;
default:
$this->_feed = new RSSCreator091();
break;
}
$vars = get_object_vars($this);
foreach ($vars as $key => $value) {
// prevent overwriting of properties "contentType", "encoding"; do not copy "_feed" itself
if (!in_array($key, array("_feed", "contentType", "encoding"))) {
$this->_feed->{$key} = $this->{$key};
}
}
}
/**
* Creates a syndication feed based on the items previously added.
*
* @see FeedCreator::addItem()
* @param string $format format the feed should comply to. Valid values are:
* "PIE0.1", "mbox", "RSS0.91", "RSS1.0", "RSS2.0", "OPML", "ATOM0.3", "HTML", "JS"
* @return string the contents of the feed.
*/
public function createFeed($format = "RSS0.91")
{
$this->_setFormat($format);
return $this->_feed->createFeed();
}
/**
* Saves this feed as a file on the local disk. After the file is saved, an HTTP redirect
* header may be sent to redirect the use to the newly created file.
*
* @since 1.4
* @param string $format format the feed should comply to. Valid values are:
* "PIE0.1" (deprecated), "mbox", "RSS0.91", "RSS1.0", "RSS2.0", "OPML", "ATOM",
* "ATOM0.3", "HTML", "JS"
* @param string $filename optional the filename where a recent version of the feed is saved. If not
* specified, the filename is $_SERVER["PHP_SELF"] with the extension changed to
* .xml (see _generateFilename()).
* @param boolean $displayContents optional send the content of the file or not. If true, the file will be sent
* in the body of the response.
*/
public function saveFeed($format = "RSS0.91", $filename = "", $displayContents = true)
{
$this->_setFormat($format);
$this->_feed->saveFeed($filename, $displayContents);
}
/**
* Turns on caching and checks if there is a recent version of this feed in the cache.
* If there is, an HTTP redirect header is sent.
* To effectively use caching, you should create the FeedCreator object and call this method
* before anything else, especially before you do the time consuming task to build the feed
* (web fetching, for example).
*
* @param string $format format the feed should comply to. Valid values are:
* "PIE0.1" (deprecated), "mbox", "RSS0.91", "RSS1.0", "RSS2.0", "OPML", "ATOM0.3".
* @param string $filename optional the filename where a recent version of the feed is saved. If not specified, the
* filename is $_SERVER["PHP_SELF"] with the extension changed to .xml (see
* _generateFilename()).
* @param int $timeout optional the timeout in seconds before a cached version is refreshed (defaults to 3600 =
* 1 hour)
*/
public function useCached($format = "RSS0.91", $filename = "", $timeout = 3600)
{
$this->_setFormat($format);
$this->_feed->useCached($filename, $timeout);
}
}

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<?php
// your local timezone, set to "" to disable or for GMT
if (!defined('TIME_ZONE')) {
define("TIME_ZONE", date("O", time()));
}
/**
* Version string.
*/
define("FEEDCREATOR_VERSION", "FeedCreator 1.8");