From 2742702f88371c1b9566c0c5c0ef81e6fd9c7a62 Mon Sep 17 00:00:00 2001
From: Erik Amaru Ortiz <erik@colosa.com>
Date: Wed, 19 Mar 2014 10:02:46 -0400
Subject: [PATCH] Refactoring, replacing dbArray use by ArrayUtil::sort()
 implementation

---
 workflow/engine/src/ProcessMaker/Util/ArrayUtil.php | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/workflow/engine/src/ProcessMaker/Util/ArrayUtil.php b/workflow/engine/src/ProcessMaker/Util/ArrayUtil.php
index 228944fd2..679d727a2 100644
--- a/workflow/engine/src/ProcessMaker/Util/ArrayUtil.php
+++ b/workflow/engine/src/ProcessMaker/Util/ArrayUtil.php
@@ -69,6 +69,10 @@ class ArrayUtil
      */
     public static function sort($data, $columns, $direction = SORT_ASC)
     {
+        if (empty($data)) {
+            return $data;
+        }
+
         $composedData = array();
 
         if (is_array($direction)) {
@@ -92,7 +96,7 @@ class ArrayUtil
 
         $composedData[] = & $data;
 
-        if (PHP_VERSION_ID < 54000) {
+        if (PHP_VERSION_ID < 50400) {
             switch (count($columns)) {
                 case 1: array_multisort($composedData[0], $composedData[1], $composedData[2]); break;
                 case 2: array_multisort($composedData[0], $composedData[1], $composedData[2], $composedData[3], $composedData[4]); break;