<?php
/***** RECOMMENDATIONS BASED ON SIMILARITY *****/
$crs = new CourseDefn($args['course']['id']);
$crs->load();
$similarities = $crs->getSimilar();
arsort($similarities);
if ($similarities && count($similarities) > 0) {
?>
<div id="course_similarities">
<?php
} else {
?>
<div id="course_similarities" class="hidden">
<?php
}
?>
<div id="sidebar_course_similarities">Similar courses:</div>
<div id="sidebar_similarities_tagcloud_hidden" class="hidden">
<?php
$ctr = 0;
Error::setPrepend($similarities);
Error::generate('debug', 'Similarity array');
$topn = 10;
// limit to $topn top results
foreach ($similarities as $k => $v) {
if (++$ctr == $topn) {
break;
}
// limit to $topn top results
$id = intval($k);
