168 lines
3.7 KiB
PHP
168 lines
3.7 KiB
PHP
<?php
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/**
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* Univarsel Feed Writer
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*
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* FeedItem class - Used as feed element in FeedWriter class
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*
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* @package UnivarselFeedWriter
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* @author Anis uddin Ahmad <anisniit@gmail.com>
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* @link http://www.ajaxray.com/projects/rss
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*/
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class FeedItem
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{
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private $elements = array(); //Collection of feed elements
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private $version;
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/**
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* Constructor
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*
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* @param contant (RSS1/RSS2/ATOM) RSS2 is default.
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*/
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function __construct($version = RSS2)
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{
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$this->version = $version;
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}
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/**
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* Add an element to elements array
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*
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* @access public
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* @param srting The tag name of an element
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* @param srting The content of tag
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* @param array Attributes(if any) in 'attrName' => 'attrValue' format
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* @return void
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*/
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public function addElement($elementName, $content, $attributes = null)
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{
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$this->elements[$elementName]['name'] = $elementName;
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$this->elements[$elementName]['content'] = $content;
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$this->elements[$elementName]['attributes'] = $attributes;
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}
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/**
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* Set multiple feed elements from an array.
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* Elements which have attributes cannot be added by this method
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*
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* @access public
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* @param array array of elements in 'tagName' => 'tagContent' format.
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* @return void
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*/
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public function addElementArray($elementArray)
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{
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if(! is_array($elementArray)) return;
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foreach ($elementArray as $elementName => $content)
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{
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$this->addElement($elementName, $content);
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}
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}
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/**
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* Return the collection of elements in this feed item
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*
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* @access public
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* @return array
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*/
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public function getElements()
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{
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return $this->elements;
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}
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// Wrapper functions ------------------------------------------------------
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/**
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* Set the 'dscription' element of feed item
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*
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* @access public
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* @param string The content of 'description' element
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* @return void
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*/
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public function setDescription($description)
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{
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$tag = ($this->version == ATOM)? 'summary' : 'description';
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$this->addElement($tag, $description);
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}
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/**
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* @desc Set the 'title' element of feed item
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* @access public
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* @param string The content of 'title' element
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* @return void
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*/
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public function setTitle($title)
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{
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$this->addElement('title', $title);
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}
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/**
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* Set the 'date' element of feed item
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*
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* @access public
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* @param string The content of 'date' element
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* @return void
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*/
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public function setDate($date)
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{
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if(! is_numeric($date))
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{
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$date = strtotime($date);
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}
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if($this->version == ATOM)
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{
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$tag = 'updated';
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$value = date(DATE_ATOM, $date);
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}
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elseif($this->version == RSS2)
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{
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$tag = 'pubDate';
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$value = date(DATE_RSS, $date);
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}
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else
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{
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$tag = 'dc:date';
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$value = date("Y-m-d", $date);
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}
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$this->addElement($tag, $value);
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}
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/**
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* Set the 'link' element of feed item
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*
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* @access public
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* @param string The content of 'link' element
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* @return void
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*/
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public function setLink($link)
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{
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if($this->version == RSS2 || $this->version == RSS1)
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{
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$this->addElement('link', $link);
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}
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else
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{
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$this->addElement('link','',array('href'=>$link));
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$this->addElement('id', FeedWriter::uuid($link,'urn:uuid:'));
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}
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}
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/**
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* Set the 'encloser' element of feed item
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* For RSS 2.0 only
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*
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* @access public
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* @param string The url attribute of encloser tag
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* @param string The length attribute of encloser tag
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* @param string The type attribute of encloser tag
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* @return void
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*/
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public function setEncloser($url, $length, $type)
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{
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$attributes = array('url'=>$url, 'length'=>$length, 'type'=>$type);
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$this->addElement('enclosure','',$attributes);
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}
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} // end of class FeedItem
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?>
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