Merge "Strip excess newlines from formatting test"

[lhc/web/wiklou.git] / includes / ChangeTags.php

diff --git a/includes/ChangeTags.php b/includes/ChangeTags.php
index 029911f..3fc27f9 100644 (file)
--- a/includes/ChangeTags.php
+++ b/includes/ChangeTags.php
@@ -281,4 +281,34 @@ class ChangeTags {
                $wgMemc->set( $key, $emptyTags, 300 );
                return $emptyTags;
        }
+
+       /**
+        * Returns a map of any tags used on the wiki to number of edits
+        * tagged with them, ordered descending by the hitcount.
+        *
+        * @return array Array of string => int
+        */
+       public static function tagUsageStatistics() {
+               $out = array();
+
+               $dbr = wfGetDB( DB_SLAVE );
+               $res = $dbr->select(
+                       'change_tag',
+                       array( 'ct_tag', 'hitcount' => 'count(*)' ),
+                       array(),
+                       __METHOD__,
+                       array( 'GROUP BY' => 'ct_tag', 'ORDER BY' => 'hitcount DESC' )
+               );
+
+               foreach ( $res as $row ) {
+                       $out[$row->ct_tag] = $row->hitcount;
+               }
+               foreach ( self::listDefinedTags() as $tag ) {
+                       if ( !isset( $out[$tag] ) ) {
+                               $out[$tag] = 0;
+                       }
+               }
+
+               return $out;
+       }
 }