From 8480361adb8536ccb187186e561ab1ebc351d8a8 Mon Sep 17 00:00:00 2001
From: tianshujie98 <tianshujie0123@163.com>
Date: Wed, 28 Oct 2020 10:20:35 +0800
Subject: [PATCH] * Finish task #12964.

---
 module/task/model.php | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/module/task/model.php b/module/task/model.php
index 311d17afd6..abb74d7a78 100644
--- a/module/task/model.php
+++ b/module/task/model.php
@@ -2771,13 +2771,10 @@ class taskModel extends model
      */
     public function processData4Report($tasks, $children, $field)
     {
-        if($children)
+        if(is_array($children))
         {
-            foreach($children as $taskID => $task)
-            {
-                $tasks[$taskID] = $task;
-                unset($tasks[$task->parent]);
-            }
+            /* Remove the parent task from the tasks. */
+            foreach($children as $childTaskID => $childTask) unset($tasks[$childTask->parent]);
         }
 
         $fields = array();