src/Tweeper.php: silence error message when processing Instagram json

[tweeper.git] / src / Tweeper.php

diff --git a/src/Tweeper.php b/src/Tweeper.php
index d60e43b..f25ea25 100644 (file)
--- a/src/Tweeper.php
+++ b/src/Tweeper.php
@@ -6,7 +6,7 @@ namespace Tweeper;
  * @file
  * Tweeper - a Twitter to RSS web scraper.
  *
- * Copyright (C) 2013-2016  Antonio Ospite <ao2@ao2.it>
+ * Copyright (C) 2013-2018  Antonio Ospite <ao2@ao2.it>
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -36,7 +36,7 @@ date_default_timezone_set('UTC');
  */
 class Tweeper {
 
-  private static $userAgent = "Mozilla/5.0 (Windows NT 6.1; rv:22.0) Gecko/20130405 Firefox/22.0";
+  private static $userAgent = "Mozilla/5.0 (Windows NT 6.1; WOW64; rv:60.0) Gecko/20100101 Firefox/60.0";
 
   /**
    * Constructor sets up {@link $generate_enclosure}.
@@ -249,8 +249,17 @@ class Tweeper {
       return NULL;
     }
 
-    // Filter elements which will result in invalid XML element names.
-    $json = str_replace('404_as_react', '_404_as_react', $matches[1]);
+    $data = json_decode($matches[1], $assoc = TRUE);
+
+    // The "qe" object contains elements which will result in invalid XML
+    // element names, so remove it.
+    unset($data["qe"]);
+
+    // The "knobs" object contains elements with undefined namespaces, so
+    // remove it to silence an error message.
+    unset($data["knobs"]);
+
+    $json = json_encode($data);
 
     return Tweeper::jsonToXml($json, 'instagram');
   }
@@ -364,11 +373,11 @@ class Tweeper {
     }
 
     $output = $xsltProcessor->transformToXML($xmlDoc);
-
     if (FALSE === $output) {
       trigger_error('XSL transformation failed.', E_USER_ERROR);
       return NULL;
     }
+
     return $output;
   }