readerXML_to_ttrssXML.php

<?php

# download the xml using reader.pl from here:
# https://gist.github.com/lotrfan/28c4a266468bb7658e95
#
# usage: php readerXML_to_ttrssXML.php input.xml > output.xml
#
# import into tt-rss using the xml input plugin (may need to gzip first if a huge file)

$filename = $argv[1];
$basexml = simplexml_load_file($filename);

echo "<articles schema-version=\"121\">";

##parse for feed information
$feedurl=preg_replace('/^tag.*reader\/feed\//', '', $basexml->id);
$feedtitle =$basexml->title;
  
foreach ($basexml->entry as $articlexml){
  echo "<article>";
  echo "<guid><![CDATA[".$articlexml->id."]]></guid>";
  echo "<title><![CDATA[".$articlexml->title."]]></title>";
  
if (strlen($articlexml->summary) > 0) echo "<content><![CDATA[".$articlexml->summary."]]></content>";
else if (strlen($articlexml->content) > 0) echo "<content><![CDATA[".$articlexml->content."]]></content>";

  $starred=FALSE;
  $read=FALSE;
  $tags="";
  $tags_array=NULL;

  foreach ($articlexml->category as $articlecategory) {
    if ($articlecategory['label']=="starred")	$starred=TRUE;
    if ($articlecategory['label']=="read")	$read=TRUE;
    #if ($articlecategory['scheme']!="http://www.google.com/reader/") $tags.= strtolower($articlecategory['term']).",";
    if ($articlecategory['scheme']!="http://www.google.com/reader/") $tags_array[] = strtolower($articlecategory['term']);
  }

  if ($starred) echo "<marked><![CDATA[1]]></marked>";	
    else echo "<marked><![CDATA[0]]></marked>";	
  
  #unread not currently parsed by xml importer - but could be added in the future
  if ($read) echo "<unread><![CDATA[0]]></unread>";	
    else echo "<unread><![CDATA[1]]></unread>";
  
  if (count($tags) >1) $tags = implode(',', array_unique($tags_array) );
  echo "<score><![CDATA[0]]></score>";
  echo "<note><![CDATA[]]></note>";
  echo "<link><![CDATA[".$articlexml->link['href']."]]></link>";
  echo"<tag_cache><![CDATA[".$tags."]]></tag_cache>";

  echo"<label_cache><![CDATA[{\"no-labels\":1}]]></label_cache>";

  echo "<feed_title><![CDATA[".$feedtitle."]]></feed_title>";
  echo "<feed_url><![CDATA[".$feedurl."]]></feed_url>";
  echo "<updated><![CDATA[".$articlexml->updated."]]></updated>";
  echo "</article>";
}        
echo "</articles>";   
?>