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- <?php
- class FeedItem_RSS extends FeedItem_Common {
- function get_id() {
- $id = $this->elem->getElementsByTagName("guid")->item(0);
- if ($id) {
- return $id->nodeValue;
- } else {
- return $this->get_link();
- }
- }
- function get_date() {
- $pubDate = $this->elem->getElementsByTagName("pubDate")->item(0);
- if ($pubDate) {
- return strtotime($pubDate->nodeValue);
- }
- $date = $this->xpath->query("dc:date", $this->elem)->item(0);
- if ($date) {
- return strtotime($date->nodeValue);
- }
- }
- function get_link() {
- $links = $this->xpath->query("atom:link", $this->elem);
- foreach ($links as $link) {
- if ($link && $link->hasAttribute("href") &&
- (!$link->hasAttribute("rel")
- || $link->getAttribute("rel") == "alternate"
- || $link->getAttribute("rel") == "standout")) {
- return trim($link->getAttribute("href"));
- }
- }
- $link = $this->elem->getElementsByTagName("guid")->item(0);
- if ($link && $link->hasAttributes() && $link->getAttribute("isPermaLink") == "true") {
- return trim($link->nodeValue);
- }
- $link = $this->elem->getElementsByTagName("link")->item(0);
- if ($link) {
- return trim($link->nodeValue);
- }
- }
- function get_title() {
- $title = $this->xpath->query("title", $this->elem)->item(0);
- if ($title) {
- return trim($title->nodeValue);
- }
- // if the document has a default namespace then querying for
- // title would fail because of reasons so let's try the old way
- $title = $this->elem->getElementsByTagName("title")->item(0);
- if ($title) {
- return trim($title->nodeValue);
- }
- }
- function get_content() {
- $contentA = $this->xpath->query("content:encoded", $this->elem)->item(0);
- $contentB = $this->elem->getElementsByTagName("description")->item(0);
- if ($contentA && !$contentB) {
- return $this->subtree_or_text($contentA);
- }
- if ($contentB && !$contentA) {
- return $this->subtree_or_text($contentB);
- }
- if ($contentA && $contentB) {
- $resultA = $this->subtree_or_text($contentA);
- $resultB = $this->subtree_or_text($contentB);
- return mb_strlen($resultA) > mb_strlen($resultB) ? $resultA : $resultB;
- }
- }
- function get_description() {
- $summary = $this->elem->getElementsByTagName("description")->item(0);
- if ($summary) {
- return $summary->nodeValue;
- }
- }
- function get_categories() {
- $categories = $this->elem->getElementsByTagName("category");
- $cats = array();
- foreach ($categories as $cat) {
- array_push($cats, trim($cat->nodeValue));
- }
- $categories = $this->xpath->query("dc:subject", $this->elem);
- foreach ($categories as $cat) {
- array_push($cats, trim($cat->nodeValue));
- }
- return $cats;
- }
- function get_enclosures() {
- $enclosures = $this->elem->getElementsByTagName("enclosure");
- $encs = array();
- foreach ($enclosures as $enclosure) {
- $enc = new FeedEnclosure();
- $enc->type = $enclosure->getAttribute("type");
- $enc->link = $enclosure->getAttribute("url");
- $enc->length = $enclosure->getAttribute("length");
- $enc->height = $enclosure->getAttribute("height");
- $enc->width = $enclosure->getAttribute("width");
- array_push($encs, $enc);
- }
- $enclosures = $this->xpath->query("media:content", $this->elem);
- foreach ($enclosures as $enclosure) {
- $enc = new FeedEnclosure();
- $enc->type = $enclosure->getAttribute("type");
- $enc->link = $enclosure->getAttribute("url");
- $enc->length = $enclosure->getAttribute("length");
- $enc->height = $enclosure->getAttribute("height");
- $enc->width = $enclosure->getAttribute("width");
- $desc = $this->xpath->query("media:description", $enclosure)->item(0);
- if ($desc) $enc->title = strip_tags($desc->nodeValue);
- array_push($encs, $enc);
- }
- $enclosures = $this->xpath->query("media:group", $this->elem);
- foreach ($enclosures as $enclosure) {
- $enc = new FeedEnclosure();
- $content = $this->xpath->query("media:content", $enclosure)->item(0);
- if ($content) {
- $enc->type = $content->getAttribute("type");
- $enc->link = $content->getAttribute("url");
- $enc->length = $content->getAttribute("length");
- $enc->height = $content->getAttribute("height");
- $enc->width = $content->getAttribute("width");
- $desc = $this->xpath->query("media:description", $content)->item(0);
- if ($desc) {
- $enc->title = strip_tags($desc->nodeValue);
- } else {
- $desc = $this->xpath->query("media:description", $enclosure)->item(0);
- if ($desc) $enc->title = strip_tags($desc->nodeValue);
- }
- array_push($encs, $enc);
- }
- }
- $enclosures = $this->xpath->query("media:thumbnail", $this->elem);
- foreach ($enclosures as $enclosure) {
- $enc = new FeedEnclosure();
- $enc->type = "image/generic";
- $enc->link = $enclosure->getAttribute("url");
- $enc->height = $enclosure->getAttribute("height");
- $enc->width = $enclosure->getAttribute("width");
- array_push($encs, $enc);
- }
- return $encs;
- }
- }
- ?>
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