classes/filter/redditimgur.php

   1 <?php
   2 class Filter_RedditImgur {
   3
   4         function filter_article($article) {
   5
   6                 if (strpos($article["link"], "reddit.com/r/") !== FALSE) {
   7                         if (strpos($article["content"], "i.imgur.com") !== FALSE) {
   8
   9                                 $doc = new DOMDocument();
  10                                 @$doc->loadHTML($article["content"]);
  11
  12                                 if ($doc) {
  13                                         $xpath = new DOMXPath($doc);
  14                                         $entries = $xpath->query('(//a[@href]|//img[@src])');
  15
  16                                         foreach ($entries as $entry) {
  17                                                 if ($entry->hasAttribute("href")) {
  18                                                         if (preg_match("/\.(jpg|jpeg|gif|png)$/i", $entry->getAttribute("href"))) {
  19
  20                                                                 $img = $doc->createElement('img');
  21                                                                 $img->setAttribute("src", $entry->getAttribute("href"));
  22
  23                                                                 $entry->parentNode->replaceChild($img, $entry);
  24                                                         }
  25                                                 }
  26
  27                                                 // remove tiny thumbnails
  28                                                 if ($entry->hasAttribute("src")) {
  29                                                         if ($entry->parentNode && $entry->parentNode->parentNode) {
  30                                                                 $entry->parentNode->parentNode->removeChild($entry->parentNode);
  31                                                         }
  32                                                 }
  33                                         }
  34
  35                                         $node = $doc->getElementsByTagName('body')->item(0);
  36
  37                                         if ($node) {
  38                                                 $article["content"] = $doc->saveXML($node, LIBXML_NOEMPTYTAG);
  39                                         }
  40                                 }
  41                         }
  42                 }
  43
  44                 return $article;
  45         }
  46 }
  47 ?>