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Fixes MDL-13124 and chooses more relevant tags to display

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scyrma 2008-01-25 01:33:09 +00:00
parent c2d88da708
commit 753078619a
1 changed files with 5 additions and 5 deletions
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10
tag/lib.php
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@ -770,7 +770,7 @@ function related_tags($tag_name_or_id, $limitnum=10) {
}
//gets the correlated tags
$automatic_related_tags = correlated_tags($tag_id);
$automatic_related_tags = correlated_tags($tag_id, $limitnum);
$related_tags = array_merge($manual_related_tags, $automatic_related_tags);
@ -784,7 +784,7 @@ function related_tags($tag_name_or_id, $limitnum=10) {
* @param string $tag_name_or_id is a single **normalized** tag name or the id of a tag
* @return array an array of tag objects, or empty array if none
*/
function correlated_tags($tag_name_or_id) {
function correlated_tags($tag_name_or_id, $limitnum=null) {
$tag_id = tag_id_from_string($tag_name_or_id);
@ -796,7 +796,7 @@ function correlated_tags($tag_name_or_id) {
return array();
}
if (!$result = get_records_select('tag', "id IN ({$tag_correlation->correlatedtags})", '', DEFAULT_TAG_TABLE_FIELDS)) {
if (!$result = get_records_select('tag', "id IN ({$tag_correlation->correlatedtags})", '', DEFAULT_TAG_TABLE_FIELDS, 0, $limitnum)) {
return array();
}
@ -835,7 +835,7 @@ function update_tag_correlations($item_type, $item_id) {
* @param number $min_correlation cutoff percentage (optional, default is 0.25)
* @param int $limitnum return a subset comprising this many records (optional, default is 10)
*/
function cache_correlated_tags($tag_name_or_id, $min_correlation=2, $limitnum=10) {
function cache_correlated_tags($tag_name_or_id, $min_correlation=2) {
global $CFG;
$tag_id = tag_id_from_string($tag_name_or_id);
@ -853,7 +853,7 @@ function cache_correlated_tags($tag_name_or_id, $min_correlation=2, $limitnum=10
// Correlated tags happen when they appear together in more occasions
// than $min_correlation.
if ($tag_correlations = get_records_sql($query, 0, 10)) {
if ($tag_correlations = get_records_sql($query)) {
foreach($tag_correlations as $correlation) {
if($correlation->nr >= $min_correlation){
$correlated[] = $correlation->tagid;