2 files changed, 37 insertions, 0 deletions

diff --git a/application/Router.php b/application/Router.php
index f6896b1c..4df0387c 100644
--- a/application/Router.php
+++ b/application/Router.php
@@ -13,6 +13,8 @@ class Router
 
     public static $PAGE_TAGCLOUD = 'tagcloud';
 
+    public static $PAGE_TAGLIST = 'taglist';
+
     public static $PAGE_DAILY = 'daily';
 
     public static $PAGE_FEED_ATOM = 'atom';
@@ -79,6 +81,10 @@ class Router
             return self::$PAGE_TAGCLOUD;
         }
 
+        if (startsWith($query, 'do='. self::$PAGE_TAGLIST)) {
+            return self::$PAGE_TAGLIST;
+        }
+
         if (startsWith($query, 'do='. self::$PAGE_OPENSEARCH)) {
             return self::$PAGE_OPENSEARCH;
         }
diff --git a/application/Utils.php b/application/Utils.php
index ab463af9..9d0ebc5e 100644
--- a/application/Utils.php
+++ b/application/Utils.php
@@ -435,3 +435,34 @@ function get_max_upload_size($limitPost, $limitUpload, $format = true)
     $maxsize = min($size1, $size2);
     return $format ? human_bytes($maxsize) : $maxsize;
 }
+
+/**
+ * Sort the given array alphabetically using php-intl if available.
+ * Case sensitive.
+ *
+ * Note: doesn't support multidimensional arrays
+ *
+ * @param array $data    Input array, passed by reference
+ * @param bool  $reverse Reverse sort if set to true
+ * @param bool  $byKeys  Sort the array by keys if set to true, by value otherwise.
+ */
+function alphabetical_sort(&$data, $reverse = false, $byKeys = false)
+{
+    $callback = function($a, $b) use ($reverse) {
+        // Collator is part of PHP intl.
+        if (class_exists('Collator')) {
+            $collator = new Collator(setlocale(LC_COLLATE, 0));
+            if (!intl_is_failure(intl_get_error_code())) {
+                return $collator->compare($a, $b) * ($reverse ? -1 : 1);
+            }
+        }
+
+        return strcasecmp($a, $b) * ($reverse ? -1 : 1);
+    };
+
+    if ($byKeys) {
+        uksort($data, $callback);
+    } else {
+        usort($data, $callback);
+    }
+}