<?php class FeedItem_RSS extends FeedItem_Common { function get_id() { $id = $this->elem->getElementsByTagName("guid")->item(0); if ($id) { return clean($id->nodeValue); } else { return clean($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" || $link->getAttribute("rel") == "standout")) { return clean(trim($link->getAttribute("href"))); } } $link = $this->elem->getElementsByTagName("guid")->item(0); if ($link && $link->hasAttributes() && $link->getAttribute("isPermaLink") == "true") { return clean(trim($link->nodeValue)); } $link = $this->elem->getElementsByTagName("link")->item(0); if ($link) { return clean(trim($link->nodeValue)); } } function get_title() { $title = $this->xpath->query("title", $this->elem)->item(0); if ($title) { return clean(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 clean(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"); $cats = []; foreach ($categories as $cat) { array_push($cats, $cat->nodeValue); } $categories = $this->xpath->query("dc:subject", $this->elem); foreach ($categories as $cat) { array_push($cats, $cat->nodeValue); } return $this->normalize_categories($cats); } function get_enclosures() { $enclosures = $this->elem->getElementsByTagName("enclosure"); $encs = array(); foreach ($enclosures as $enclosure) { $enc = new FeedEnclosure(); $enc->type = clean($enclosure->getAttribute("type")); $enc->link = clean($enclosure->getAttribute("url")); $enc->length = clean($enclosure->getAttribute("length")); $enc->height = clean($enclosure->getAttribute("height")); $enc->width = clean($enclosure->getAttribute("width")); array_push($encs, $enc); } $encs = array_merge($encs, parent::get_enclosures()); return $encs; } function get_language() { $languages = $this->doc->getElementsByTagName('language'); if (count($languages) == 0) { return ""; } return clean($languages[0]->textContent); } }