function shortcode($attributes)
{
// extract the shortcode attributes
extract(shortcode_atts(array('library_type' => false, 'library_id' => false, 'library_slug' => "", 'api_key' => false, 'item_key' => false, 'collection_key' => false, 'content' => 'bib,coins', 'style' => false, 'order' => 'creator', 'sort' => 'asc', 'limit' => "100", 'format' => false, 'tag_name' => false, 'cache_time' => "3600"), $attributes));
$params = array();
if ($collection_key) {
$params['collectionKey'] = $collection_key;
}
if ($content) {
$params['content'] = $content;
}
if ($style) {
$params['style'] = $style;
}
if ($order) {
$params['order'] = $order;
}
if ($sort) {
$params['sort'] = $sort;
}
if ($limit) {
$totalItemLimit = $limit;
}
if ($format) {
$params['format'] = $format;
}
if ($item_key) {
$params['itemKey'] = $item_key;
}
$base_url = "http://www.zotero.org";
$library = new Zotero_Library($library_type, $library_id, $library_slug, $api_key, $base_url, $cache_time);
// code to step through multiple requests for bibliographies longer than 100 items
//start at the beginning of our list by setting an offset of 0
$offset = 0;
//limit to 100 items per http request
//this is the maximum number of items the API will return in a single request
$perRequestLimit = 100;
//keep count of the items we've gotten
$fetchedItemsCount = 0;
//keep track of whether there are more items to fetch
$moreItems = true;
//where we'll keep the list of items we retrieve
$items = array();
//while there are more items and we haven't gotten to our limit yet
while ($fetchedItemsCount < $totalItemLimit && $moreItems) {
//fetching items starting at $offset with $perRequestLimit items per request
$fetchedItems = $library->fetchItemsTop(array_merge($params, array('limit' => $perRequestLimit, 'start' => $offset)));
//put the items from this last request into our array of items
$items = array_merge($items, $fetchedItems);
//update the count of items we've got and offset by that amount
$fetchedItemsCount += count($fetchedItems);
$offset = $fetchedItemsCount;
//Zotero_Library keeps track of the last feed it got so we can check if there is a 'next' link
//indicating more results to be fetched
if (!isset($library->getLastFeed()->links['next'])) {
$moreItems = false;
}
}
return $this->display_zotero_items($items);
}
$moreItems = true;
//where we'll keep the list of items we retrieve
$items = array();
//while there are more items and we haven't gotten to our limit yet
while ($fetchedItemsCount < $totalItemLimit && $moreItems) {
echo "fetching items starting at {$offset} with {$perRequestLimit} items per request <br />";
//fetching items starting at $offset with $perRequestLimit items per request
$fetchedItems = $library->fetchItemsTop(array_merge($feedParams, array('limit' => $perRequestLimit, 'start' => $offset)));
//put the items from this last request into our array of items
$items = array_merge($items, $fetchedItems);
//update the count of items we've got and offset by that amount
$fetchedItemsCount += count($fetchedItems);
$offset = $fetchedItemsCount;
//Zotero_Library keeps track of the last feed it got so we can check if there is a 'next' link
//indicating more results to be fetched
if (!isset($library->getLastFeed()->links['next'])) {
$moreItems = false;
}
}
//output the page
?>
<!DOCTYPE html>
<html>
<head>
<title>Dump Items</title>
<meta charset="utf-8">
</head>
<body>
<p>Here we fetch a set of items from our library ordered by title and display the itemKey and title of each item in the list below.</p>
<ul>
