AtomCreator03::createFeed() - Code Metrics - Inspection of "2.10 Final" - mambax7/planet - Measure and Improve Code Quality continuously with Scrutinizer

Completed
Push — master ( 15a86c...ff0242 )

by Michael
created 2016-08-01 22:45 UTC
AtomCreator03::createFeed() B

↳ Parent: AtomCreator03
Complexity

Conditions	8
Paths	54
Size

Total Lines	53
Code Lines	44
Duplication

Lines	3
Ratio	5.66 %
Importance

Changes	4
Bugs	0	Features	0
Metric	Value
cc	8
eloc	44
c	4
b	0
f	0
nc	54
nop	0
dl	3
loc	53
rs	7.1199
How to fix Long Method

<?php
//
// ------------------------------------------------------------------------ //
// This program is free software; you can redistribute it and/or modify     //
// it under the terms of the GNU General Public License as published by     //
// the Free Software Foundation; either version 2 of the License, or        //
// (at your option) any later version.                                      //
//                                                                          //
// You may not change or alter any portion of this comment or credits       //
// of supporting developers from this source code or any supporting         //
// source code which is considered copyrighted (c) material of the          //
// original comment or credit authors.                                      //
//                                                                          //
// This program is distributed in the hope that it will be useful,          //
// but WITHOUT ANY WARRANTY; without even the implied warranty of           //
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the            //
// GNU General Public License for more details.                             //
//                                                                          //
// You should have received a copy of the GNU General Public License        //
// along with this program; if not, write to the Free Software              //
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA //
// ------------------------------------------------------------------------ //
// Author: phppp (D.J., [email protected])                                  //
// URL: http://xoops.org                         //
// Project: Article Project                                                 //
// ------------------------------------------------------------------------ //

/*

FeedCreator class v1.7.2
originally (c) Kai Blankenhorn
www.bitfolge.de
[email protected]
v1.3 work by Scott Reynen ([email protected]) and Kai Blankenhorn
v1.5 OPML support by Dirk Clemens

This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.

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

You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

****************************************************************************


Changelog:

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 S�ren Fuhrmann of golem.de)
    improved changing ATOM versions handling (thanks to August Trometer)
    improved the UniversalFeedCreator's useCached method (thanks to S�ren Fuhrmann of golem.de)
    added charset output in HTTP headers (thanks to S�ren Fuhrmann of golem.de)
    added Slashdot namespace to RSS 1.0 (thanks to S�ren 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 St�phane 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



***************************************************************************/

/* ** GENERAL USAGE *********************************************************


include("feedcreator.class.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 $GLOBALS['xoopsDB']->query("SELECT * FROM news ORDER BY newsdate DESC");
while ($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);
}

// valid format strings are: RSS0.91, RSS1.0, RSS2.0, PIE0.1 (deprecated),
// MBOX, OPML, ATOM, ATOM0.3, HTML, JS
echo $rss->saveFeed("RSS1.0", "news/feed.xml");


***************************************************************************
*          A little setup                                                 *
**************************************************************************/

// your local timezone, set to "" to disable or for GMT
//define("TIME_ZONE","+01:00");

/**
 * Version string.
 **/
//define("FEEDCREATOR_VERSION", "ARTICLE @ XOOPS powered by FeedCreator 1.7.2");


/**
 * A FeedItem is a part of a FeedCreator feed.
 *
 * @author Kai Blankenhorn <[email protected]>
 * @since  1.3
 */
class FeedItem extends HtmlDescribable
{
    /**
     * Mandatory attributes of an item.
     */
    public $title, $description, $link;

    /**
     * Optional attributes of an item.
     */
    public $author, $authorEmail, $image, $category, $comments, $guid, $source, $creator;

    /**
     * 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;

    /**
     * Any additional elements to include as an assiciated 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;
}

/**
 * An FeedImage may be added to a FeedCreator feed.
 * @author Kai Blankenhorn <[email protected]>
 * @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;
}

/**
 * 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;

    /**
     * Returns a formatted description field, depending on descriptionHtmlSyndicated and
     * $descriptionTruncSize properties
     * @return string the formatted description
     */
    public function getDescription() {
        $descriptionField                = new FeedHtmlField($this->description);

        $descriptionField->syndicateHtml = $this->descriptionHtmlSyndicated;
        $descriptionField->truncSize     = $this->descriptionTruncSize;

        return $descriptionField->output();
    }
}

/**
 * An 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 <[email protected]>
 */
class FeedHtmlField
{
    /**
     * Mandatory attributes of a FeedHtmlField.
     */
    public $rawFieldContent;

    /**
     * Optional attributes of a FeedHtmlField.
     *
     */
    public $truncSize, $syndicateHtml;

    /**
     * Creates a new instance of FeedHtmlField.
     * @param $parFieldContent
     * @internal param $string : if given, sets the rawFieldContent property
     */
    public function __construct($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 && is_int($this->truncSize)) {
                $result = FeedCreator::iTrunc(htmlspecialchars($this->rawFieldContent), $this->truncSize);
            } else {
                $result = htmlspecialchars($this->rawFieldContent);
            }
        }

        return $result;
    }
}

/**
 * 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 <[email protected]>
 */
class UniversalFeedCreator extends FeedCreator
{
    public $_feed;

    /**
     * @param $format
     */
    public function _setFormat($format) {
        switch (strtoupper($format)) {

            case '2.0':
                // fall through
            case 'RSS2.0':
                $this->_feed = new RSSCreator20();
                break;

            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 'ATOM':
                // fall through: always the latest ATOM version

            case 'ATOM0.3':
                $this->_feed = new AtomCreator03();
                break;

            case 'HTML':
                $this->_feed = new HTMLCreator();
                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
     * @param string $filename
     * @param bool   $displayContents displayContents optional    send the content of the file or not. If true, the file will be sent in the body of the response.
     * @internal param format $string 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"
     * @internal param filename $string optional    the filename where a recent version of the feed is saved. If not specified, the filename is $_SERVER["PHP_SELF"] with the extension changed to .xml (see _generateFilename()).
     */
    public function saveFeed($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
     * @param string $filename
     * @param int    $timeout
     * @internal param format $string format the feed should comply to. Valid values are:
     *                     "PIE0.1" (deprecated), "mbox", "RSS0.91", "RSS1.0", "RSS2.0", "OPML", "ATOM0.3".
     * @internal 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()).
     * @internal 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);
    }
}

/**
 * FeedCreator is the abstract base implementation for concrete
 * implementations that implement a specific format of syndication.
 *
 * @abstract
 * @author Kai Blankenhorn <[email protected]>
 * @since  1.4
 */
class FeedCreator extends HtmlDescribable
{
    /**
     * Mandatory attributes of a feed.
     */
    public $title, $description, $link;

    /**
     * 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 = '';

    public $cssStyleSheet = '';

    /**
     * @access private
     */
    public $items = array();

    /**
     * This feed's MIME content type.
     * @since  1.4
     * @access private
     */
    public $contentType = 'application/xml';

    /**
     * This feed's character encoding.
     * @since 1.6.1
     **/
    public $encoding = 'ISO-8859-1';

    /**
     * Any additional elements to include as an assiciated 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 an FeedItem to the feed.
     *
     * @param $item
     * @internal param FeedItem $object $item The FeedItem to add to the feed.
     * @access   public
     */
    public function addItem($item) {
        $this->items[] = $item;
    }

    /**
     * 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 $length, it is returned unchanged.
     *
     * @static
     * @param string     string A string to be truncated.
     * @param int        length the maximum length the string should be truncated to
     * @return string the truncated string
     */
    public function iTrunc($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.
     */
    public function _createGeneratorComment() {
        return "<!-- generator=\"" . FEEDCREATOR_VERSION . "\" -->\n";
    }

    /**
     * Creates a string containing all additional elements specified in
     * $additionalElements.
     * @param array  $elements
     * @param string $indentString
     * @return string the XML tags corresponding to $additionalElements
     * @internal param array $elements an associative array containing key => value pairs
     * @internal param string $indentString a string that will be inserted before every generated line
     */
    public function _createAdditionalElements($elements, $indentString = '') {
        $ae = '';
        if (is_array($elements)) {
            foreach ($elements as $key => $value) {
                $ae .= $indentString . "<$key>$value</$key>\n";
            }
        }

        return $ae;
    }

    /**
     * @return string
     */
    public function _createStylesheetReferences() {
        $xml = '';
        if ($this->cssStyleSheet) {
            $xml .= "<?xml-stylesheet href=\"" . $this->cssStyleSheet . "\" type=\"text/css\"?>\n";
        }
        if ($this->xslStyleSheet) {
            $xml .= "<?xml-stylesheet href=\"" . $this->xslStyleSheet . "\" type=\"text/xsl\"?>\n";
        }

        return $xml;
    }

    /**
     * Builds the feed's text.
     * @abstract
     * @return string the feed's complete text
     */
    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
     */
    public function _generateFilename() {
        $fileInfo = pathinfo($_SERVER['PHP_SELF']);

        return substr($fileInfo['basename'], 0, -(strlen($fileInfo['extension']) + 1)) . '.xml';
    }

    /**
     * @since  1.4
     * @access private
     * @param $filename
     */
    public function _redirect($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));
        header('Content-Disposition: inline; filename=' . basename($filename));
        readfile($filename, 'r');
        die();
    }

    /**
     * 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     filename  string  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
     * @internal 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;
class MyClass { }

$x = new MyClass();
$x->foo = true;
        if ($filename == '') {
            $filename = $this->_generateFilename();
        }
        if (file_exists($filename) && (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      filename  string  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
     * @internal param bool $redirect optional    send an HTTP redirect header or not. If true, the user will be automatically redirected to the created file.
     */
    public function saveFeed($filename = '', $displayContents = true) {
        if ($filename == '') {
            $filename = $this->_generateFilename();
        }
        $feedFile = fopen($filename, 'w+');
        if ($feedFile) {
            fwrite($feedFile, $this->createFeed());
            fclose($feedFile);
            if ($displayContents) {
                $this->_redirect($filename);
            }
        } else {
            echo '<br><b>Error creating feed file, please check write permissions.</b><br>';
        }
    }
}

/**
 * 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
{
    public $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 = '') {
        $tzOffset = 0;
        if ($dateString == '') {
            $dateString = date('r');
        }

        //if (is_integer($dateString)) {

        if (is_numeric($dateString)) {
            $this->unix = $dateString;

            return;
        }
        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) == '+' || substr($matches[7], 0, 1) == '-') {
                $tzOffset = (substr($matches[7], 0, 3) * 60 + 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') && $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) == '+' || substr($matches[7], 0, 1) == '-') {
                $tzOffset = (substr($matches[7], 0, 3) * 60 + 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 a date in RFC 822 format
     */
    public function rfc822() {
        //return gmdate("r",$this->unix);

        $date = gmdate('D, d M Y H:i:s', $this->unix);
        if (TIME_ZONE != '') {
            $date .= ' ' . str_replace(':', '', TIME_ZONE);
        }

        return $date;
    }

    /**
     * Gets the date stored in this FeedDate as an ISO 8601 date.
     *
     * @return a date in ISO 8601 format
     */
    public function iso8601() {
        $date = gmdate("Y-m-d\TH:i:sO", $this->unix);
        $date = substr($date, 0, 22) . ':' . substr($date, -2);
        if (TIME_ZONE != '') {
            $date = str_replace('+00:00', TIME_ZONE, $date);
        }

        return $date;
    }

    /**
     * Gets the date stored in this FeedDate as unix time stamp.
     *
     * @return a date as a unix time stamp
     */
    public function unix() {
        return $this->unix;
    }
}

/**
 * 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 <[email protected]>
 */
class RSSCreator10 extends FeedCreator
{
    /**
     * Builds the RSS feed's text. The feed will be compliant to RDF Site Summary (RSS) 1.0.
     * The feed will contain all items previously added in the same order.
     * @return string the feed's complete text
     */
    public function createFeed() {
        $feed = "<?xml version=\"1.0\" encoding=\"" . $this->encoding . "\"?>\n";
        $feed .= $this->_createGeneratorComment();
        if ($this->cssStyleSheet == '') {
            $cssStyleSheet = 'http://www.w3.org/2000/08/w3c-synd/style.css';
$myVar = 'Value';
$higher = false;

if (rand(1, 6) > 3) {
    $higher = true;
} else {
    $higher = false;
}
        }
        $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";
        $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, $iMax = count($this->items); $i < $iMax; ++$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, $iMax = count($this->items); $i < $iMax; ++$i) {
            $feed .= "    <item rdf:about=\"" . htmlspecialchars($this->items[$i]->link) . "\">\n";
            //$feed.= "        <dc:type>Posting</dc:type>\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[$i]->source) . "</dc:source>\n";
            }
            if ($this->items[$i]->author != '') {

                $feed .= '        <dc:creator>' . htmlspecialchars($this->items[$i]->author) . "</dc:creator>\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;
    }
}

/**
 * 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 <[email protected]>
 */
class RSSCreator091 extends FeedCreator
{
    /**
     * Stores this RSS feed's version number.
     * @access private
     */
    public $RSSVersion;

    /**
     * RSSCreator091 constructor.
     */
    public function __construct() {
        $this->_setRSSVersion('0.91');
        $this->contentType = 'application/rss+xml';
    }

    /**
     * Sets this RSS feed's version number.
     * @access private
     * @param $version
     */
    public function _setRSSVersion($version) {
        $this->RSSVersion = $version;
    }

    /**
     * Builds the RSS feed's text. The feed will be compliant to RDF Site Summary (RSS) 1.0.
     * The feed will contain all items previously added in the same order.
     * @return string the feed's complete text
     */
    public function createFeed() {
        $feed = "<?xml version=\"1.0\" encoding=\"" . $this->encoding . "\"?>\n";
        $feed .= $this->_createGeneratorComment();
        $feed .= $this->_createStylesheetReferences();
        $feed .= "<rss version=\"" . $this->RSSVersion . "\">\n";
        $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();
        $feed .= '        <lastBuildDate>' . htmlspecialchars($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>' . $this->image->getDescription() . "</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, $iMax = count($this->items); $i < $iMax; ++$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";

            if ($this->items[$i]->author != '') {

                $feed .= '            <author>' . htmlspecialchars($this->items[$i]->author) . "</author>\n";
            }
            /*

            // on hold
            if ($this->items[$i]->source!="") {
                    $feed.= "            <source>".htmlspecialchars($this->items[$i]->source)."</source>\n";
            }
            */
            if ($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";
            }
            $feed .= $this->_createAdditionalElements($this->items[$i]->additionalElements, '        ');
            $feed .= "        </item>\n";
        }
        $feed .= "    </channel>\n";
        $feed .= "</rss>\n";

        return $feed;
    }
}

/**
 * RSSCreator20 is a FeedCreator that implements RDF Site Summary (RSS) 2.0.
 *
 * @see    http://backend.userland.com/rss
 * @since  1.3
 * @author Kai Blankenhorn <[email protected]>
 */
class RSSCreator20 extends RSSCreator091
{
    /**
     * RSSCreator20 constructor.
     */
    public function __construct() {
        parent::_setRSSVersion('2.0');
class Daddy
{
    protected function getFirstName()
    {
        return "Eidur";
    }

    protected function getSurName()
    {
        return "Gudjohnsen";
    }
}

class Son
{
    public function getFirstName()
    {
        return parent::getSurname();
    }
}
    }
}

/**
 * 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 <[email protected]> and Kai Blankenhorn <[email protected]>
 */
class PIECreator01 extends FeedCreator
{
    /**
     * PIECreator01 constructor.
     */
    public function __construct() {
        $this->encoding = 'utf-8';
    }

    /**
     * @return string
     */
    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, $iMax = count($this->items); $i < $iMax; ++$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;
    }
}

/**
 * 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 <[email protected]>, Scott Reynen <[email protected]>
 */
class AtomCreator03 extends FeedCreator
{
    /**
     * AtomCreator03 constructor.
     */
    public function __construct() {
        $this->contentType = 'application/atom+xml';
        $this->encoding    = 'utf-8';
    }

    /**
     * @return string
     */
    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->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, $iMax = count($this->items); $i < $iMax; ++$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";
            }
            $feed .= "    </entry>\n";
        }
        $feed .= "</feed>\n";

        return $feed;
    }
}

/**
 * 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 <[email protected]>
 */
class MBOXCreator extends FeedCreator
{
    /**
     * MBOXCreator constructor.
     */
    public function __construct() {
        $this->contentType = 'text/plain';
        $this->encoding    = 'ISO-8859-15';
    }

    /**
     * @param string $input
     * @param int    $line_max
     * @return string
     */
    public function qp_enc($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 = '';
        while (list(, $line) = each($lines)) {
            //$line = rtrim($line); // remove trailing white space -> no =20\r\n necessary

            $linlen  = strlen($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.
     * @return string the feed's complete text
     */
    public function createFeed() {
        for ($i = 0, $iMax = count($this->items); $i < $iMax; ++$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',
function myFunction($a) {
    switch ($a) {
        case 'foo':
            $x = 1;
            break;

        case 'bar':
            $x = 2;
            break;
    }

    // $x is potentially undefined here.
    echo $x;
}
                                                                                        $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
     */
    public function _generateFilename() {
        $fileInfo = pathinfo($_SERVER['PHP_SELF']);

        return substr($fileInfo['basename'], 0, -(strlen($fileInfo['extension']) + 1)) . '.mbox';
    }
}

/**
 * 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';
    }

    /**
     * @return string
     */
    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, $iMax = count($this->items); $i < $iMax; ++$i) {
            $feed .= "    <outline type=\"rss\" ";
            $title = htmlspecialchars(strip_tags(strtr($this->items[$i]->title, "\n\r", '  ')));
            $feed .= " title=\"" . $title . "\"";
            $feed .= " text=\"" . $title . "\"";
            //$feed.= " description=\"".htmlspecialchars($this->items[$i]->description)."\"";

            $feed .= " url=\"" . htmlspecialchars($this->items[$i]->link) . "\"";
            $feed .= "/>\n";
        }
        $feed .= "    </body>\n";
        $feed .= "</opml>\n";

        return $feed;
    }
}

/**
 * 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
{
    public $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 users' page.
     */
    public $stylePrefix;

    /**
     * Determines whether the links open in a new window or not.
     */
    public $openInNewWindow = true;

    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.
     * @return string the scripts's complete text
     */
    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 = " target='_blank'";
        }

        // 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='" . $this->image->url
function myFunction($a) {
    switch ($a) {
        case 'foo':
            $x = 1;
            break;

        case 'bar':
            $x = 2;
            break;
    }

    // $x is potentially undefined here.
    echo $x;
}
                        . "' border='0' alt='" . FeedCreator::iTrunc(htmlspecialchars($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, $iMax = count($this->items); $i < $iMax; ++$i) {
            if ($this->separator && $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>';
        }

        $feed = '' . implode($feedArray, "\r\n");

        return $feed;
    }

    /**
     * Overrrides parent to produce .html extensions
     *
     * @return string the feed cache filename
     * @since  1.4
     * @access private
     */
    public function _generateFilename() {
        $fileInfo = pathinfo($_SERVER['PHP_SELF']);

        return substr($fileInfo['basename'], 0, -(strlen($fileInfo['extension']) + 1)) . '.html';
    }
}

/**
 * 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
{
    public $contentType = 'text/javascript';

    /**
     * writes the javascript
     * @return string the scripts's complete text
     */
    public function createFeed() {
        $feed      = parent::createFeed();
        $feedArray = explode("\n", $feed);

        $jsFeed = '';
        foreach ($feedArray as $value) {
            $jsFeed .= "document.write('" . trim(addslashes($value)) . "');\n";
        }

        return $jsFeed;
    }

    /**
     * Overrrides parent to produce .js extensions
     *
     * @return string the feed cache filename
     * @since  1.4
     * @access private
     */
    public function _generateFilename() {
        $fileInfo = pathinfo($_SERVER['PHP_SELF']);

        return substr($fileInfo['basename'], 0, -(strlen($fileInfo['extension']) + 1)) . '.js';
    }
}

/*** TEST SCRIPT *********************************************************

 *
 * //include("feedcreator.class.php");
 *
 * $rss = new UniversalFeedCreator();
 * $rss->useCached();
 * $rss->title = "PHP news";
 * $rss->description = "daily news from the PHP scripting world";
 *
 * //optional
 * //$rss->descriptionTruncSize = 500;
 * //$rss->descriptionHtmlSyndicated = true;
 * //$rss->xslStyleSheet = "http://feedster.com/rss20.xsl";
 *
 * $rss->link = "http://www.dailyphp.net/news";
 * $rss->feedURL = "http://www.dailyphp.net/".$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 = $image;
 *
 * // get your news items from somewhere, e.g. your database:
 * //mysqli_select_db($dbHost, $dbUser, $dbPass);
 * //$res = mysqli_query("SELECT * FROM news ORDER BY newsdate DESC");
 * //while ($data = mysqli_fetch_object($res)) {
 * $item = new FeedItem();
 * $item->title = "This is an the test title of an item";
 * $item->link = "http://localhost/item/";
 * $item->description = "<b>description in </b><br>HTML";
 *
 * //optional
 * //item->descriptionTruncSize = 500;
 * $item->descriptionHtmlSyndicated = true;
 *
 * $item->date = time();
 * $item->source = "http://www.dailyphp.net";
 * $item->author = "John Doe";
 *
 * $rss->addItem($item);
 * //}
 *
 * // valid format strings are: RSS0.91, RSS1.0, RSS2.0, PIE0.1, MBOX, OPML, ATOM0.3, HTML, JS
 * echo $rss->saveFeed("RSS0.91", "feed.xml");
 ***************************************************************************/

Push — master ( 15a86c...ff0242 )

AtomCreator03::createFeed() B

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Long Method

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Available Fixes

mambax7 / planet

Push — master ( 15a86c...ff0242 )

AtomCreator03::createFeed() B

Complexity

Size

Duplication

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How to fix Long Method

Long Method

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Available Fixes

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