From d178d05272863bb8d920a993b7d6fc4b1f275dcf Mon Sep 17 00:00:00 2001
From: Malf Furious <m@lfurio.us>
Date: Tue, 13 Jun 2017 22:19:11 -0400
Subject: Add object function arrayUnique()

---
 app/class/object.class.php | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

(limited to 'app')

diff --git a/app/class/object.class.php b/app/class/object.class.php
index 461f1b1..c1ba85c 100644
--- a/app/class/object.class.php
+++ b/app/class/object.class.php
@@ -70,6 +70,32 @@ class object extends table
         return $obj->objtype;
     }
 
+    /*
+     * Remove duplicate elements from an array of Scrott objects.  This
+     * function compares object GUIDs to check for uniqueness.  Array
+     * keys are preserved.  NULL elements are removed.  Resulting array
+     * is returned.
+     */
+    public static function arrayUnique(array $arr) : array
+    {
+        $guids = array();
+        $ret = array();
+
+        foreach ($arr as $k => $v)
+        {
+            if ($v === NULL)
+                continue;
+
+            if (in_array($v->guid, $guids))
+                continue;
+
+            $guids[] = $v->guid;
+            $ret[$k] = $v;
+        }
+
+        return $ret;
+    }
+
     /*
      * Get the owner of this object.  Either a user object or a group
      * object will be returned.  If this object does not have an owner,
-- 
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