<?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; } }