Переделка для composer autoload

src/sort.php

@@ -0,0 +1,58 @@
+<?php
+
+class SortRecord 
+{
+    function __construct($key, $mode, $order)
+    {        
+        $this->key = $key;
+        $this->order = ((boolean)($order) === false) ? 1 : -1;
+        $this->mode = $mode;
+    }
+
+    function compare($a, $b)
+    {
+        if($a[$this->key] == $b[$this->key]) {
+            return 0;
+        }
+        return ($a[$this->key] > $b[$this->key]) ? $this->order : -$this->order;
+    }
+
+    function compareKeys($a, $b)
+    {
+        if($a->{$this->key} == $b->{$this->key}) {
+            return 0;
+        }
+        return ($a->{$this->key} > $b->{$this->key}) ? $this->order : -$this->order;
+    }
+
+    function sort(&$list)
+    {
+        return usort($list, array($this, 'compare'));
+    }
+
+    function sortKeys(&$list)
+    {
+        return usort($list, array($this, 'compareKeys'));
+    }
+
+    function group(&$list, $key, $types)
+    {
+        $groups = array();
+        foreach ($types as $name) {
+            $groups[$name] = array();
+        }
+        $groups['_any_'] = array();
+        foreach ($list as $item) {
+            if (isset($groups[$item[$key]])) {
+                $groups[$item[$key]][] = $item;
+            } else {
+                $groups['_any_'][] = $item;
+            }
+        }
+        $result = array();
+        foreach ($groups as $value) {
+            $result = array_merge($result, $value);
+        }
+        $list = $result;            
+    }
+}