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55 lines
1.2 KiB
55 lines
1.2 KiB
<?php
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namespace Suin\RSSWriter;
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use DOMDocument;
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/**
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* Class Feed
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* @package Suin\RSSWriter
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*/
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class Feed implements FeedInterface
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{
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/** @var ChannelInterface[] */
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protected $channels = array();
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/**
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* Add channel
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* @param ChannelInterface $channel
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* @return $this
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*/
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public function addChannel(ChannelInterface $channel)
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{
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$this->channels[] = $channel;
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return $this;
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}
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/**
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* Render XML
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* @return string
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*/
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public function render()
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{
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$xml = new SimpleXMLElement('<?xml version="1.0" encoding="UTF-8" ?><rss version="2.0" />', LIBXML_NOERROR | LIBXML_ERR_NONE | LIBXML_ERR_FATAL);
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foreach ($this->channels as $channel) {
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$toDom = dom_import_simplexml($xml);
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$fromDom = dom_import_simplexml($channel->asXML());
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$toDom->appendChild($toDom->ownerDocument->importNode($fromDom, true));
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}
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$dom = new DOMDocument('1.0', 'UTF-8');
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$dom->appendChild($dom->importNode(dom_import_simplexml($xml), true));
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$dom->formatOutput = true;
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return $dom->saveXML();
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}
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/**
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* Render XML
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* @return string
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*/
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public function __toString()
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{
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return $this->render();
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}
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}
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