FeedCreator::outputFeed() - Code Metrics - Inspection of "Transferindo dependencias do support to pedreiro" - SierraTecnologia/Finder - Measure and Improve Code Quality continuously with Scrutinizer

Completed
Push — master ( 706e3c...232af6 )

by Ricardo
created 2020-09-22 16:07 UTC
FeedCreator::outputFeed() A

↳ Parent: FeedCreator
Complexity

Conditions	1
Paths	1
Size

Total Lines
Duplication

Lines	0
Ratio	0 %
Importance

Changes
Metric	Value
cc	1
nc	1
nop	2
dl	0
loc	4
rs	10
c	0
b	0
f	0
<?php
/**
 * 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.
     */
    var $title, $description, $link;

    /**
     * Optional attributes of an item.
     */
    var $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
     */
    var $date;

    /**
     * Add <enclosure> element tag RSS 2.0
     * modified by : Mohammad Hafiz bin Ismail ([email protected])
     *
     * display :
     * <enclosure length="17691" url="http://something.com/picture.jpg" type="image/jpeg" />
     */
    var $enclosure;

    /**
     * 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.
     */
    var $additionalElements = Array();

    // on hold
    // var $source;
}

class EnclosureItem extends HtmlDescribable
{
    /*
    *
    * core variables
    *
    **/
    var $url,$length,$type;

    /*
    * For use with another extension like Yahoo mRSS
    * Warning :
    * These variables might not show up in
    * later release / not finalize yet!
    *
    */
    var $width, $height, $title, $description, $keywords, $thumburl;

    var $additionalElements = Array();

}


/**
 * 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.
     */
    var $title, $url, $link;

    /**
     * Optional attributes of an image.
     */
    var $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.
     */
    var $descriptionHtmlSyndicated;

    /**
     * Indicates whether and to how many characters a description should be truncated.
     */
    var $descriptionTruncSize;

    /**
     * Returns a formatted description field, depending on descriptionHtmlSyndicated and
     * $descriptionTruncSize properties
     *
     * @return string    the formatted description
     */
    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]>
 * @version 1.6
 */
class FeedHtmlField
{
    /**
     * Mandatory attributes of a FeedHtmlField.
     */
    var $rawFieldContent;

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

    /**
     * Creates a new instance of FeedHtmlField.
     *
     * @param $string: if given, sets the rawFieldContent property
     */
    function FeedHtmlField($parFieldContent)

    {
        if ($parFieldContent) {
            $this->rawFieldContent = $parFieldContent;
        }
    }


    /**
     * Creates the right output, depending on $truncSize, $syndicateHtml properties.
     *
     * @return string    the formatted field
     */
    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;
    }

}



/**
 * 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
{

    var $_feed;

    function _setMIME($format)

    {
        switch (strtoupper($format)) {

        case "RSS":
        case "2.0":
            // fall through
        case "RSS2.0":
            header('Content-type: text/xml', true);
            break;

        case "ATOM":
            // fall through: always the latest ATOM version
        case "ATOM1.0":
            header('Content-type: application/xml', true);
            break;

        default:
        case "0.91":
function fx() {
    try {
        doSomething();
        return true;
    }
    catch (\Exception $e) {
        return false;
    }

    return false;
}
            // fall through
        case "RSS0.91":
            header('Content-type: text/xml', true);
            break;
        }
    }

    function _setFormat($format)

    {
        switch (strtoupper($format)) {

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

        case "0.91":
            // fall through
        case "RSS0.91":
            $this->_feed = new RSSCreator091();
            break;

        case "ATOM":
            // fall through: always the latest ATOM version
        case "ATOM1.0":
            $this->_feed = new AtomCreator10();
            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.
     */
    function createFeed($format = "RSS0.91")

    {
        $this->_setFormat($format);
        return $this->_feed->createFeed();

    }


    /**
     * Outputs feed to the browser - needed for on-the-fly feed generation (like it is done in WordPress, etc.)
     *
     * @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".
     */
    function outputFeed( $timezone , $format='RSS2.0' )

    {
        $this->_setFormat($format);
        $this->_setMIME($format);
        $this->_feed->outputFeed($timezone, $format);
    }

}


/**
 * 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.
     */
    var $title, $description, $link;


    /**
     * Optional attributes of a feed.
     */
    var $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.
     */
    var $xslStyleSheet = "";


    /**
     * @access private
     */
    var $items = Array();


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


    /**
     * This feed's character encoding.
     *
     * @since 1.6.1
     **/
    var $encoding = "UTF-8";


    /**
     * 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.
     */
    var $additionalElements = Array();


    /**
     * Adds an FeedItem to the feed.
     *
     * @param  object FeedItem $item The FeedItem to add to the feed.
     * @access public
     */
    function addItem($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 $length, it is returned unchanged.
     *
     * @static
     * @param  string    string A string to be truncated.
     * @param  int        length the maximum length the string should be truncated to
     * @return string    the truncated string
     */
    function iTrunc($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.
     */
    function _createGeneratorComment()

    {
        return "<!-- generator=\"".FEEDCREATOR_VERSION."\" -->\n";
    }


    /**
     * Creates a string containing all additional elements specified in
     * $additionalElements.
     *
     * @param  elements    array    an associative array containing key => value pairs
     * @param  indentString    string    a string that will be inserted before every generated line
     * @return string    the XML tags corresponding to $additionalElements
     */
    function _createAdditionalElements($elements, $indentString="")

    {
        $ae = "";
        if (is_array($elements)) {
            foreach($elements AS $key => $value) {
                $ae.= $indentString."<$key>$value</$key>\n";
            }
        }
        return $ae;
    }

    function _createStylesheetReferences()

    {
        $xml = "";
        if (isset($this->cssStyleSheet) ) { $xml .= "<?xml-stylesheet href=\"".$this->cssStyleSheet."\" type=\"text/css\"?>\n";
class MyClass { }

$x = new MyClass();
$x->foo = true;
        }
        if (isset($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
     */
    function createFeed( $timezone )

    {
    }

    /**
     * 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
     */
    function _generateFilename()

    {
        $fileInfo = pathinfo($_SERVER["PHP_SELF"]);
        return substr($fileInfo["basename"], 0, -(strlen($fileInfo["extension"])+1)).".xml";
    }


    /**
     * @since  1.4
     * @access private
     */
    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();
    }

    /**
     * Outputs this feed directly to the browser - for on-the-fly feed generation
     *
     * @since 1.7.2-mod
     *
     * still missing: proper header output - currently you have to add it manually
     */
    function outputFeed( $timezone , $format='RSS2.0' )

    {
        echo $this->createFeed($timezone);
    }

}


/**
 * 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
{
    var $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 $dateString optional the date this FeedDate will represent. If not specified, the current date and time is used.
     */
    function FeedDate($dateString="")

    {
        if ($dateString=="") { $dateString = date("r");
        }

        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)=='+' OR 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") 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 += $tzOffset;
function myFunction($a) {
    switch ($a) {
        case 'foo':
            $x = 1;
            break;

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

    // $x is potentially undefined here.
    echo $x;
}
            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)=='-') {
                $tzOffset = (substr($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
     */
    function rfc822()

    {
        $d = new DateTime("@" . $this->unix);

        return $d->format('r');
    }

    /**
     * Gets the date stored in this FeedDate as an ISO 8601 date.
     *
     * @return a date in ISO 8601 (RFC 3339) format
     */
    function iso8601()

    {
        $d = new DateTime("@" . $this->unix);

        return $d->format('c');
    }


    /**
     * Gets the date stored in this FeedDate as unix time stamp.
     *
     * @return a date as a unix time stamp
     */
    function unix()

    {
        return $this->unix;
    }
}




/**
 * 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
     */
    var $RSSVersion;

    function RSSCreator091()

    {
        $this->_setRSSVersion("0.91");
        $this->contentType = "application/rss+xml";
    }

    /**
     * Sets this RSS feed's version number.
     *
     * @access private
     */
    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
     */
    function createFeed( $timezone )

    {
        $feed = "<?xml version=\"1.0\" encoding=\"".$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";
        $feed.= "        <link>".htmlspecialchars($this->link)."</link>\n";

        $now = new DateTime('@' . time());

        $feed.= "        <lastBuildDate>".htmlspecialchars($now->format('r'))."</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";
            $feed.= "            <link>".htmlspecialchars($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 ($i=0;$i<count($this->items);$i++) {
for ($i=0; $i<count($array); $i++) { // calls count() on each iteration
}

// Better
for ($i=0, $c=count($array); $i<$c; $i++) { // calls count() just once
}
            $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, "        ");

            if ($this->RSSVersion == "2.0" && $this->items[$i]->enclosure != null) {
                                $feed.= "            <enclosure url=\"";
                                $feed.= $this->items[$i]->enclosure->url;
                                $feed.= "\" length=\"";
                                $feed.= $this->items[$i]->enclosure->length;
                                $feed.= "\" type=\"";
                                $feed.= $this->items[$i]->enclosure->type;
                                $feed.= "\"/>\n";
            }



            $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
{

    function RSSCreator20()

    {
        parent::_setRSSVersion("2.0");
class Daddy
{
    protected function getFirstName()
    {
        return "Eidur";
    }

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

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

}


/**
 * 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 ([email protected])
 */
class AtomCreator10 extends FeedCreator
{

    function AtomCreator10()

    {
        $this->contentType = "application/atom+xml";
        $this->encoding = "utf-8";
    }

    function createFeed( $timezone )

    {
        $feed = "<?xml version=\"1.0\" encoding=\"".$this->encoding."\"?>\n";
        $feed.= $this->_createGeneratorComment();
        $feed.= $this->_createStylesheetReferences();
        $feed.= "<feed xmlns=\"http://www.w3.org/2005/Atom\"";
        if ($this->language!="") {
            $feed.= " xml:lang=\"".$this->language."\"";
        }
        $feed.= ">\n";
        $feed.= "    <title>".htmlspecialchars($this->title)."</title>\n";
        $feed.= "    <subtitle type=\"html\">".htmlspecialchars($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 DateTime('@' . time());
        $feed.= "    <updated>".htmlspecialchars($now->format('c'))."</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";
        }
        $feed.= "    <generator>".FEEDCREATOR_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++) {
for ($i=0; $i<count($array); $i++) { // calls count() on each iteration
}

// Better
for ($i=0, $c=count($array); $i<$c; $i++) { // calls count() just once
}
            $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";
            $feed.= "        <id>".htmlspecialchars($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!="") {

                $feed.= "        <summary type=\"html\">".htmlspecialchars($this->items[$i]->description)."</summary>\n";
            }
            if ($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 . "\" />\n";
            }
            $feed.= "    </entry>\n";
        }
        $feed.= "</feed>\n";
        return $feed;
    }


}

?>


1			<?php
2			/**
3			* A FeedItem is a part of a FeedCreator feed.
4			*
5			* @author Kai Blankenhorn <[email protected]>
6			* @since 1.3
7			*/
8			class FeedItem extends HtmlDescribable
9			{
10			/**
11			* Mandatory attributes of an item.
12			*/
13			var $title, $description, $link;
14
15			/**
16			* Optional attributes of an item.
17			*/
18			var $author, $authorEmail, $image, $category, $comments, $guid, $source, $creator;
19
20			/**
21			* Publishing date of an item. May be in one of the following formats:
22			*
23			* RFC 822:
24			* "Mon, 20 Jan 03 18:05:41 +0400"
25			* "20 Jan 03 18:05:41 +0000"
26			*
27			* ISO 8601:
28			* "2003-01-20T18:05:41+04:00"
29			*
30			* Unix:
31			* 1043082341
32			*/
33			var $date;
34
35			/**
36			* Add <enclosure> element tag RSS 2.0
37			* modified by : Mohammad Hafiz bin Ismail ([email protected])
38			*
39			* display :
40			* <enclosure length="17691" url="http://something.com/picture.jpg" type="image/jpeg" />
SierraTecnologia / Finder

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FeedCreator::outputFeed() A

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