checkRequiredProperties($this->required_feed_properties, $this); $this->dom = new DomDocument('1.0', 'UTF-8'); $this->dom->formatOutput = true; // $feed = $this->dom->createElement('feed'); $feed->setAttributeNodeNS(new DomAttr('xmlns', 'http://www.w3.org/2005/Atom')); // $generator = $this->dom->createElement('generator', 'PicoFeed'); $generator->setAttribute('uri', 'https://github.com/fguillot/picoFeed'); $feed->appendChild($generator); // $title = $this->dom->createElement('title'); $title->appendChild($this->dom->createTextNode($this->title)); $feed->appendChild($title); // <id/> $id = $this->dom->createElement('id'); $id->appendChild($this->dom->createTextNode($this->site_url)); $feed->appendChild($id); // <updated/> $this->addUpdated($feed, $this->updated); // <link rel="alternate" type="text/html" href="http://example.org/"/> $this->addLink($feed, $this->site_url); // <link rel="self" type="application/atom+xml" href="http://example.org/feed.atom"/> $this->addLink($feed, $this->feed_url, 'self', 'application/atom+xml'); // <author/> if (isset($this->author)) $this->addAuthor($feed, $this->author); // <entry/> foreach ($this->items as $item) { $this->checkRequiredProperties($this->required_item_properties, $item); $feed->appendChild($this->createEntry($item)); } $this->dom->appendChild($feed); if ($filename) { $this->dom->save($filename); } else { return $this->dom->saveXML(); } } /** * Create item entry * * @access public * @param arrray $item Item properties * @return DomElement */ public function createEntry(array $item) { $entry = $this->dom->createElement('entry'); // <title/> $title = $this->dom->createElement('title'); $title->appendChild($this->dom->createTextNode($item['title'])); $entry->appendChild($title); // <id/> $id = $this->dom->createElement('id'); $id->appendChild($this->dom->createTextNode(isset($item['id']) ? $item['id'] : $item['url'])); $entry->appendChild($id); // <updated/> $this->addUpdated($entry, isset($item['updated']) ? $item['updated'] : ''); // <published/> if (isset($item['published'])) { $entry->appendChild($this->dom->createElement('published', date(DATE_ATOM, $item['published']))); } // <link rel="alternate" type="text/html" href="http://example.org/"/> $this->addLink($entry, $item['url']); // <summary/> if (isset($item['summary'])) { $summary = $this->dom->createElement('summary'); $summary->appendChild($this->dom->createTextNode($item['summary'])); $entry->appendChild($summary); } // <content/> if (isset($item['content'])) { $content = $this->dom->createElement('content'); $content->setAttribute('type', 'html'); $content->appendChild($this->dom->createCDATASection($item['content'])); $entry->appendChild($content); } // <author/> if (isset($item['author'])) { $this->addAuthor($entry, $item['author']); } return $entry; } /** * Add Link * * @access public * @param DomElement $xml XML node * @param string $url URL * @param string $rel Link rel attribute * @param string $type Link type attribute */ public function addLink(DomElement $xml, $url, $rel = 'alternate', $type = 'text/html') { $link = $this->dom->createElement('link'); $link->setAttribute('rel', $rel); $link->setAttribute('type', $type); $link->setAttribute('href', $url); $xml->appendChild($link); } /** * Add publication date * * @access public * @param DomElement $xml XML node * @param integer $value Timestamp */ public function addUpdated(DomElement $xml, $value = 0) { $xml->appendChild($this->dom->createElement( 'updated', date(DATE_ATOM, $value ?: time()) )); } /** * Add author * * @access public * @param DomElement $xml XML node * @param array $values Author name and email */ public function addAuthor(DomElement $xml, array $values) { $author = $this->dom->createElement('author'); if (isset($values['name'])) { $name = $this->dom->createElement('name'); $name->appendChild($this->dom->createTextNode($values['name'])); $author->appendChild($name); } if (isset($values['email'])) { $email = $this->dom->createElement('email'); $email->appendChild($this->dom->createTextNode($values['email'])); $author->appendChild($email); } if (isset($values['url'])) { $uri = $this->dom->createElement('uri'); $uri->appendChild($this->dom->createTextNode($values['url'])); $author->appendChild($uri); } $xml->appendChild($author); } }