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2021-10-26 13:02:53 +02:00
commit 73843b66ce
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<?php
/**
* FeedDate is an internal class that stores a date for a feed or feed item.
* Usually, you won't need to use this.
*/
class FeedDate
{
protected $unix;
/**
* Creates a new instance of FeedDate representing a given date.
* Accepts RFC 822, ISO 8601 date formats as well as unix time stamps.
*
* @param mixed $dateString optional the date this FeedDate will represent. If not specified, the current date and
* time is used.
*/
public function __construct($dateString = "")
{
if ($dateString == "") {
$dateString = date("r");
}
if (is_integer($dateString)) {
$this->unix = $dateString;
return;
}
$tzOffset = 0;
if (preg_match(
"~(?:(?:Mon|Tue|Wed|Thu|Fri|Sat|Sun),\\s+)?(\\d{1,2})\\s+([a-zA-Z]{3})\\s+(\\d{4})\\s+(\\d{2}):(\\d{2}):(\\d{2})\\s+(.*)~",
$dateString,
$matches
)) {
$months = Array(
"Jan" => 1,
"Feb" => 2,
"Mar" => 3,
"Apr" => 4,
"May" => 5,
"Jun" => 6,
"Jul" => 7,
"Aug" => 8,
"Sep" => 9,
"Oct" => 10,
"Nov" => 11,
"Dec" => 12,
);
$this->unix = mktime($matches[4], $matches[5], $matches[6], $months[$matches[2]], $matches[1], $matches[3]);
if (substr($matches[7], 0, 1) == '+' OR substr($matches[7], 0, 1) == '-') {
$tzOffset = (((int)substr($matches[7], 0, 3) * 60) + (int)substr($matches[7], -2)) * 60;
} else {
if (strlen($matches[7]) == 1) {
$oneHour = 3600;
$ord = ord($matches[7]);
if ($ord < ord("M")) {
$tzOffset = (ord("A") - $ord - 1) * $oneHour;
} elseif ($ord >= ord("M") AND $matches[7] != "Z") {
$tzOffset = ($ord - ord("M")) * $oneHour;
} elseif ($matches[7] == "Z") {
$tzOffset = 0;
}
}
switch ($matches[7]) {
case "UT":
case "GMT":
$tzOffset = 0;
}
}
$this->unix += $tzOffset;
return;
}
if (preg_match("~(\\d{4})-(\\d{2})-(\\d{2})T(\\d{2}):(\\d{2}):(\\d{2})(.*)~", $dateString, $matches)) {
$this->unix = mktime($matches[4], $matches[5], $matches[6], $matches[2], $matches[3], $matches[1]);
if (substr($matches[7], 0, 1) == '+' OR substr($matches[7], 0, 1) == '-') {
$tzOffset = (((int)substr($matches[7], 0, 3) * 60) + (int)substr($matches[7], -2)) * 60;
} else {
if ($matches[7] == "Z") {
$tzOffset = 0;
}
}
$this->unix += $tzOffset;
return;
}
$this->unix = 0;
}
/**
* Gets the date stored in this FeedDate as an RFC 822 date.
*
* @return string a date in RFC 822 format
*/
public function rfc822()
{
//return gmdate("r",$this->unix);
$date = gmdate("D, d M Y H:i:s O", $this->unix);
return $date;
}
/**
* Gets the date stored in this FeedDate as an ISO 8601 date.
*
* @return string a date in ISO 8601 format
*/
public function iso8601()
{
$date = gmdate("Y-m-d\TH:i:sP", $this->unix);
return $date;
}
/**
* Gets the date stored in this FeedDate as unix time stamp.
*
* @return int a date as a unix time stamp
*/
public function unix()
{
return $this->unix;
}
}

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

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

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

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