first commit

class/smarty_plugins/modifier.sortby.php

@@ -0,0 +1,82 @@
+<?php
+
+//
+// sorts an array of named arrays by the supplied fields
+//   code by dholmes at jccc d0t net
+//   taken from http://au.php.net/function.uasort
+// modified by cablehead, messju and pscs at http://www.phpinsider.com/smarty-forum
+
+use KupShop\KupShopBundle\Context\LanguageContext;
+use KupShop\KupShopBundle\Util\Contexts;
+
+function array_sort_by_fields(&$data, $sortby)
+{
+    static $sort_funcs = [];
+
+    if ($data === '') {
+        return;
+    }
+
+    if (empty($sort_funcs[$sortby])) {
+        $sortData = [];
+        // prepare sort
+        foreach (explode(',', $sortby) as $key) {
+            $d = 1;
+            $c = 0;
+            if (substr($key, 0, 1) == '-') {
+                $d = -1;
+                $key = substr($key, 1);
+            }
+
+            if (substr($key, 0, 1) == '#') {
+                $key = substr($key, 1);
+                $sortCallable = function ($a, $b) use ($key, $d, $c) {
+                    if ($a[$key] > $b[$key]) {
+                        return $d * 1;
+                    }
+
+                    if ($a[$key] < $b[$key]) {
+                        return $d * -1;
+                    }
+
+                    return $c;
+                };
+            } else {
+                $collator = new Collator(Contexts::get(LanguageContext::class)->getActive()->getLocale());
+                $sortCallable = function ($a, $b) use ($key, $d, $c, $collator) {
+                    if (($c = $collator->compare($a[$key], $b[$key])) != 0) {
+                        return $d * $c;
+                    }
+
+                    return $c;
+                };
+            }
+
+            $sortData[$key] = $sortCallable;
+        }
+
+        // create sort func
+        $sort_func = $sort_funcs[$sortby] = function ($a, $b) use ($sortData) {
+            foreach ($sortData as $key => $callable) {
+                return $callable($a, $b);
+            }
+
+            return 0;
+        };
+    } else {
+        $sort_func = $sort_funcs[$sortby];
+    }
+    uasort($data, $sort_func);
+}
+
+//
+// Modifier: sortby - allows arrays of named arrays to be sorted by a given field
+//
+function smarty_modifier_sortby($arrData, $sortfields)
+{
+    array_sort_by_fields($arrData, $sortfields);
+
+    return $arrData;
+}
+
+// $smarty->register_modifier( "sortby", "smarty_modifier_sortby" );