diff --git a/bin/installfog.sh b/bin/installfog.sh
index 7aff57174a..84cf6ac600 100755
--- a/bin/installfog.sh
+++ b/bin/installfog.sh
@@ -407,7 +407,7 @@ if [[ -z $backupPath ]]; then
 fi
 [[ -z $bootfilename ]] && bootfilename="undionly.kpxe"
 [[ ! $doupdate -eq 1 || ! $fogupdateloaded -eq 1 ]] && . ../lib/common/input.sh
-fullrelease='1.3.0'
+fullrelease=0
 echo
 echo "   ######################################################################"
 echo "   #     FOG now has everything it needs for this setup, but please     #"
diff --git a/packages/web/commons/schema.php b/packages/web/commons/schema.php
index bbe9af0ce2..5701e20dc9 100644
--- a/packages/web/commons/schema.php
+++ b/packages/web/commons/schema.php
@@ -2144,7 +2144,7 @@
     . "WHERE `pxeName`='fog.approvehost'",
 );
 // 130
-$this->schema[] = array_merge(
+$this->schema[] = self::fastmerge(
     array(
         "ALTER TABLE `hostMAC` ADD COLUMN `hmPrimary` INT DEFAULT 0 NOT NULL",
         "ALTER TABLE `hostMAC` ADD COLUMN `hmPending` INT DEFAULT 0 NOT NULL",
@@ -2227,7 +2227,7 @@
     . "INT(11) NOT NULL AFTER msClients",
 );
 // 136
-$this->schema[] = array_merge(
+$this->schema[] = self::fastmerge(
     array(
         "ALTER TABLE `tasks` ADD COLUMN `taskImageID` "
         . "INT(11) NOT NULL AFTER `taskHostID`",
@@ -2289,7 +2289,7 @@
     . "'noreply@\$\{server-name\}.com','FOG Email Settings')",
 );
 // 140
-$this->schema[] = array_merge(
+$this->schema[] = self::fastmerge(
     array(
         "CREATE TABLE IF NOT EXISTS `snapinGroupAssoc` ("
         . "`sgaID` mediumint(9) NOT NULL auto_increment,"
@@ -2436,7 +2436,7 @@
 // 160
 $this->schema[] = array();
 // 161
-$this->schema[] = array_merge(
+$this->schema[] = self::fastmerge(
     $tmpSchema->dropDuplicateData(
         DATABASE_NAME,
         array(
@@ -2920,7 +2920,7 @@
     "UPDATE `nfsGroupMembers` SET `ngmWebroot`='/fog/'",
 );
 // 189
-$this->schema[] = array_merge(
+$this->schema[] = self::fastmerge(
     $tmpSchema->dropDuplicateData(
         DATABASE_NAME,
         array(
diff --git a/packages/web/lib/client/servicemodule.class.php b/packages/web/lib/client/servicemodule.class.php
index 0fcaf1172f..4bef0268cc 100644
--- a/packages/web/lib/client/servicemodule.class.php
+++ b/packages/web/lib/client/servicemodule.class.php
@@ -99,7 +99,7 @@ public function send()
         );
         if (in_array(
             $mod,
-            array_merge(
+            self::fastmerge(
                 (array)$globalDisabled,
                 (array)$hostDisabled
             )
diff --git a/packages/web/lib/client/snapinclient.class.php b/packages/web/lib/client/snapinclient.class.php
index a04bea9140..13f2611323 100644
--- a/packages/web/lib/client/snapinclient.class.php
+++ b/packages/web/lib/client/snapinclient.class.php
@@ -46,7 +46,7 @@ public function json()
             ->count(
                 array(
                     'jobID' => $SnapinJob->get('id'),
-                    'stateID' => array_merge(
+                    'stateID' => self::fastmerge(
                         $this->getQueuedStates(),
                         (array)$this->getProgressState()
                     )
@@ -81,7 +81,7 @@ public function json()
                 $snapinIDs = self::getSubObjectIDs(
                     'SnapinTask',
                     array(
-                        'stateID' => array_merge(
+                        'stateID' => self::fastmerge(
                             $this->getQueuedStates(),
                             (array)$this->getProgressState()
                         ),
@@ -116,7 +116,7 @@ public function json()
                         array(
                             'snapinID' => $Snapin->get('id'),
                             'jobID' => $SnapinJob->get('id'),
-                            'stateID' => array_merge(
+                            'stateID' => self::fastmerge(
                                 $this->getQueuedStates(),
                                 (array)$this->getProgressState()
                             )
@@ -228,7 +228,7 @@ public function send()
             ->count(
                 array(
                     'jobID' => $SnapinJob->get('id'),
-                    'stateID' => array_merge(
+                    'stateID' => self::fastmerge(
                         $this->getQueuedStates(),
                         (array)$this->getProgressState()
                     )
@@ -260,7 +260,7 @@ public function send()
                 $snapinIDs = self::getSubObjectIDs(
                     'SnapinTask',
                     array(
-                        'stateID' => array_merge(
+                        'stateID' => self::fastmerge(
                             $this->getQueuedStates(),
                             (array)$this->getProgressState()
                         ),
@@ -306,7 +306,7 @@ public function send()
                     array(
                         'snapinID' => $Snapin->get('id'),
                         'jobID' => $SnapinJob->get('id'),
-                        'stateID' => array_merge(
+                        'stateID' => self::fastmerge(
                             $this->getQueuedStates(),
                             (array)$this->getProgressState()
                         )
@@ -453,7 +453,7 @@ private function _closeout($Task, $SnapinJob, $date, $HostName)
             ->count(
                 array(
                     'jobID' => $SnapinJob->get('id'),
-                    'stateID' => array_merge(
+                    'stateID' => self::fastmerge(
                         $this->getQueuedStates(),
                         (array)$this->getProgressState()
                     )
diff --git a/packages/web/lib/fog/bootmenu.class.php b/packages/web/lib/fog/bootmenu.class.php
index f4518e89a1..c492494b56 100644
--- a/packages/web/lib/fog/bootmenu.class.php
+++ b/packages/web/lib/fog/bootmenu.class.php
@@ -696,7 +696,7 @@ public function sesscheck()
     {
         $findWhere = array(
             'name' => trim($_REQUEST['sessname']),
-            'stateID' => array_merge(
+            'stateID' => self::fastmerge(
                 $this->getQueuedStates(),
                 (array)$this->getProgressState()
             ),
@@ -1649,17 +1649,17 @@ private function _menuOpt($option, $type)
                 }
             }
             $params = trim(implode("\n", (array)$params));
-            $Send = array_merge($Send, array($params));
+            $Send = self::fastmerge($Send, array($params));
         }
         switch ($option->get('id')) {
         case 1:
-            $Send = array_merge(
+            $Send = self::fastmerge(
                 $Send,
                 array("$this->_bootexittype || goto MENU")
             );
             break;
         case 2:
-            $Send = array_merge(
+            $Send = self::fastmerge(
                 $Send,
                 array(
                     "$this->_memdisk iso raw",
@@ -1669,7 +1669,7 @@ private function _menuOpt($option, $type)
             );
             break;
         case 11:
-            $Send = array_merge(
+            $Send = self::fastmerge(
                 $Send,
                 array(
                     "chain -ar $this->_booturl/ipxe/advanced.php || "
@@ -1679,7 +1679,7 @@ private function _menuOpt($option, $type)
             break;
         }
         if (!$params) {
-            $Send = array_merge(
+            $Send = self::fastmerge(
                 $Send,
                 array(
                     "$this->_kernel $this->_loglevel $type",
@@ -1742,7 +1742,7 @@ public function printDefault()
             false,
             ''
         );
-        $Send['head'] = array_merge(
+        $Send['head'] = self::fastmerge(
             array(
                 'cpuid --ext 29 && set arch x86_64 || set arch i386',
                 'goto get_console',
@@ -1772,7 +1772,7 @@ public function printDefault()
                 "registered as {$this->_Host->get(name)}!"
             );
         }
-        $Send['menustart'] = array_merge(
+        $Send['menustart'] = self::fastmerge(
             array(
                 ':MENU',
                 'menu',
diff --git a/packages/web/lib/fog/fogbase.class.php b/packages/web/lib/fog/fogbase.class.php
index 540dcf9284..1e79e47cad 100644
--- a/packages/web/lib/fog/fogbase.class.php
+++ b/packages/web/lib/fog/fogbase.class.php
@@ -1608,7 +1608,7 @@ public function parseMacList(
             $existingMACs = array_filter($existingMACs);
             $existingMACs = array_unique($existingMACs);
             $existingMACs = array_values($existingMACs);
-            $MACs = array_merge((array) $MACs, (array) $existingMACs);
+            $MACs = self::fastmerge((array) $MACs, (array) $existingMACs);
             $MACs = array_unique($MACs);
         }
         if ($client) {
@@ -2103,7 +2103,7 @@ protected static function getIPAddress()
         };
         $IPs = array_map($retIPs, (array) $IPs);
         $Names = array_map($retNames, (array) $IPs);
-        $output = array_merge($IPs, $Names);
+        $output = self::fastmerge($IPs, $Names);
         unset($IPs, $Names);
         natcasesort($output);
         self::$ips = array_values(array_filter(array_unique((array) $output)));
@@ -2219,4 +2219,29 @@ public function wakeUp($macs)
             false
         );
     }
+    /**
+     * Faster array merge operation.
+     *
+     * @param array $array1 The array to merge with.
+     *
+     * @return array
+     */
+    public static function fastmerge($array1)
+    {
+        $others = func_get_args();
+        array_shift($others);
+        foreach ((array)$others as &$other) {
+            foreach ((array)$other as $key => &$oth) {
+                if (is_numeric($key)) {
+                    $array1[] = $oth;
+                    continue;
+                }
+                unset($oth);
+            }
+            $array1 += $other;
+            unset($other);
+        }
+
+        return $array1;
+    }
 }
diff --git a/packages/web/lib/fog/fogcontroller.class.php b/packages/web/lib/fog/fogcontroller.class.php
index 470440bb96..0a46691daf 100644
--- a/packages/web/lib/fog/fogcontroller.class.php
+++ b/packages/web/lib/fog/fogcontroller.class.php
@@ -1079,7 +1079,7 @@ public function setQuery(&$queryData)
                 unset($db_key, $obj_key);
             }
         }
-        $this->data = array_merge(
+        $this->data = self::fastmerge(
             (array) $this->data,
             (array) $classData
         );
diff --git a/packages/web/lib/fog/fogmanagercontroller.class.php b/packages/web/lib/fog/fogmanagercontroller.class.php
index 123fbc3ae0..c32456f7c2 100644
--- a/packages/web/lib/fog/fogmanagercontroller.class.php
+++ b/packages/web/lib/fog/fogmanagercontroller.class.php
@@ -797,7 +797,7 @@ public function update(
                 ''
             )
         );
-        $queryVals = array_merge(
+        $queryVals = self::fastmerge(
             (array) $updateVals,
             (array) $findVals
         );
@@ -1104,7 +1104,7 @@ public function search($keyword = '', $returnObjects = false)
                 '',
                 'OR'
             );
-            $HostIDs = array_merge(
+            $HostIDs = self::fastmerge(
                 $HostIDs,
                 $macHostIDs,
                 $invHostIDs
@@ -1139,7 +1139,7 @@ public function search($keyword = '', $returnObjects = false)
                 'OR'
             );
             if (count($ImageIDs) > 0) {
-                $itemIDs = array_merge(
+                $itemIDs = self::fastmerge(
                     $itemIDs,
                     self::getSubObjectIDs(
                         'Host',
@@ -1148,7 +1148,7 @@ public function search($keyword = '', $returnObjects = false)
                 );
             }
             if (count($GroupIDs) > 0) {
-                $itemIDs = array_merge(
+                $itemIDs = self::fastmerge(
                     $itemIDs,
                     self::getSubObjectIDs(
                         'GroupAssociation',
@@ -1158,7 +1158,7 @@ public function search($keyword = '', $returnObjects = false)
                 );
             }
             if (count($SnapinIDs) > 0) {
-                $itemIDs = array_merge(
+                $itemIDs = self::fastmerge(
                     $itemIDs,
                     self::getSubObjectIDs(
                         'SnapinAssociation',
@@ -1168,7 +1168,7 @@ public function search($keyword = '', $returnObjects = false)
                 );
             }
             if (count($PrinterIDs) > 0) {
-                $itemIDs = array_merge(
+                $itemIDs = self::fastmerge(
                     $itemIDs,
                     self::getSubObjectIDs(
                         'PrinterAssociation',
@@ -1177,7 +1177,7 @@ public function search($keyword = '', $returnObjects = false)
                     )
                 );
             }
-            $itemIDs = array_merge($itemIDs, $HostIDs);
+            $itemIDs = self::fastmerge($itemIDs, $HostIDs);
             $itemIDs = array_filter($itemIDs);
             $itemIDs = array_unique($itemIDs);
             break;
@@ -1188,7 +1188,7 @@ public function search($keyword = '', $returnObjects = false)
                     array('id' => $HostIDs),
                     'imageID'
                 );
-                $itemIDs = array_merge($itemIDs, $ImageIDs);
+                $itemIDs = self::fastmerge($itemIDs, $ImageIDs);
             }
             $itemIDs = array_filter($itemIDs);
             $itemIDs = array_unique($itemIDs);
@@ -1230,7 +1230,7 @@ public function search($keyword = '', $returnObjects = false)
                 'OR'
             );
             if (count($ImageIDs)) {
-                $itemIDs = array_merge(
+                $itemIDs = self::fastmerge(
                     $itemIDs,
                     self::getSubObjectIDs(
                         'Host',
@@ -1239,7 +1239,7 @@ public function search($keyword = '', $returnObjects = false)
                 );
             }
             if (count($GroupIDs)) {
-                $itemIDs = array_merge(
+                $itemIDs = self::fastmerge(
                     $itemIDs,
                     self::getSubObjectIDs(
                         'GroupAssociation',
@@ -1249,7 +1249,7 @@ public function search($keyword = '', $returnObjects = false)
                 );
             }
             if (count($SnapinIDs)) {
-                $itemIDs = array_merge(
+                $itemIDs = self::fastmerge(
                     $itemIDs,
                     self::getSubObjectIDs(
                         'SnapinAssociation',
@@ -1259,7 +1259,7 @@ public function search($keyword = '', $returnObjects = false)
                 );
             }
             if (count($PrinterIDs)) {
-                $itemIDs = array_merge(
+                $itemIDs = self::fastmerge(
                     $itemIDs,
                     self::getSubObjectIDs(
                         'PrinterAssociation',
@@ -1269,7 +1269,7 @@ public function search($keyword = '', $returnObjects = false)
                 );
             }
             if (count($TaskStateIDs)) {
-                $itemIDs = array_merge(
+                $itemIDs = self::fastmerge(
                     $itemIDs,
                     self::getSubObjectIDs(
                         'Task',
@@ -1278,7 +1278,7 @@ public function search($keyword = '', $returnObjects = false)
                 );
             }
             if (count($TaskTypeIDs)) {
-                $itemIDs = array_merge(
+                $itemIDs = self::fastmerge(
                     $itemIDs,
                     self::getSubObjectIDs(
                         'Task',
@@ -1287,7 +1287,7 @@ public function search($keyword = '', $returnObjects = false)
                 );
             }
             if (count($HostIDs)) {
-                $itemIDs = array_merge(
+                $itemIDs = self::fastmerge(
                     $itemIDs,
                     self::getSubObjectIDs(
                         'Task',
@@ -1311,7 +1311,7 @@ public function search($keyword = '', $returnObjects = false)
             if (count($itemIDs) && !count($HostIDs)) {
                 break;
             }
-            $HostIDs = array_merge(
+            $HostIDs = self::fastmerge(
                 $HostIDs,
                 self::getSubObjectIDs(
                     $assoc,
@@ -1320,7 +1320,7 @@ public function search($keyword = '', $returnObjects = false)
                 )
             );
             if (count($HostIDs)) {
-                $itemIDs = array_merge(
+                $itemIDs = self::fastmerge(
                     $itemIDs,
                     self::getSubObjectIDs(
                         $assoc,
diff --git a/packages/web/lib/fog/fogpage.class.php b/packages/web/lib/fog/fogpage.class.php
index 5f64eefaa5..efdb40a3e8 100644
--- a/packages/web/lib/fog/fogpage.class.php
+++ b/packages/web/lib/fog/fogpage.class.php
@@ -940,7 +940,7 @@ private function _replaceNeeds($data)
             implode((array)$this->templates),
             $foundchanges
         );
-        $arrayReplace = array_merge(
+        $arrayReplace = self::fastmerge(
             $urlvars,
             (array)$data
         );
@@ -2767,7 +2767,7 @@ public function requestClientInfo()
                 }
                 $disabled = in_array(
                     $key,
-                    array_merge(
+                    self::fastmerge(
                         (array)$globalDisabled,
                         (array)$hostDisabled
                     )
@@ -3327,7 +3327,7 @@ public function export()
             if ($Item instanceof Host) {
                 $macs = $maccolumn = array();
                 $macs[] = $Item->get('mac');
-                $macs = array_merge($macs, $Item->get('additionalMACs'));
+                $macs = self::fastmerge($macs, $Item->get('additionalMACs'));
                 $macs = $this->parseMacList($macs);
                 foreach ((array)$macs as &$mac) {
                     if (!$mac->isValid()) {
diff --git a/packages/web/lib/fog/fogpagemanager.class.php b/packages/web/lib/fog/fogpagemanager.class.php
index e56835dabc..9e14103391 100644
--- a/packages/web/lib/fog/fogpagemanager.class.php
+++ b/packages/web/lib/fog/fogpagemanager.class.php
@@ -360,7 +360,7 @@ private function _loadPageClasses()
         $files = array_values(
             array_filter(
                 array_unique(
-                    array_merge(
+                    self::fastmerge(
                         $normalfiles,
                         $pluginfiles
                     )
diff --git a/packages/web/lib/fog/fogsubmenu.class.php b/packages/web/lib/fog/fogsubmenu.class.php
index d7156a4e4a..0e3950534c 100644
--- a/packages/web/lib/fog/fogsubmenu.class.php
+++ b/packages/web/lib/fog/fogsubmenu.class.php
@@ -152,7 +152,7 @@ public function addItems(
             }
         }
         if (is_array($this->items[$node][$variableSetter])) {
-            $this->items[$node][$variableSetter] = array_merge(
+            $this->items[$node][$variableSetter] = self::fastmerge(
                 $this->items[$node][$variableSetter],
                 $items
             );
diff --git a/packages/web/lib/fog/group.class.php b/packages/web/lib/fog/group.class.php
index 72a21e66c6..39750b53af 100644
--- a/packages/web/lib/fog/group.class.php
+++ b/packages/web/lib/fog/group.class.php
@@ -388,7 +388,7 @@ public function addImage($imageID)
         if (!$Image->isValid() && is_numeric($imageID)) {
             throw new Exception(_('Select a valid image'));
         }
-        $states = array_merge(
+        $states = self::fastmerge(
             $this->getQueuedStates(),
             (array) $this->getProgressState()
         );
@@ -450,7 +450,7 @@ public function createImagePackage(
             ->count(
                 array(
                     'hostID' => $hostids,
-                    'stateID' => array_merge(
+                    'stateID' => self::fastmerge(
                         $this->getQueuedStates(),
                         (array) $this->getProgressState()
                     ),
diff --git a/packages/web/lib/fog/hookmanager.class.php b/packages/web/lib/fog/hookmanager.class.php
index eb574ed62f..fb2264a898 100644
--- a/packages/web/lib/fog/hookmanager.class.php
+++ b/packages/web/lib/fog/hookmanager.class.php
@@ -120,7 +120,7 @@ public function getEvents()
             '',
             'name'
         );
-        $tabsArr = array_merge(
+        $tabsArr = self::fastmerge(
             $settingCats,
             $pxeNames
         );
@@ -149,7 +149,10 @@ public function getEvents()
             'HOST_EDIT_AD',
             'GROUP_EDIT_AD',
         );
-        array_merge($this->events, $additional);
+        $this->events = self::fastmerge(
+            $this->events,
+            $additional
+        );
         natcasesort($this->events);
         $this->events = array_filter($this->events);
         $this->events = array_unique($this->events);
@@ -183,7 +186,7 @@ public function processEvent($event, $arguments = array())
             if (!$active) {
                 continue;
             }
-            $mergedArr = array_merge(
+            $mergedArr = self::fastmerge(
                 array('event' => $event),
                 $arguments
             );
diff --git a/packages/web/lib/fog/host.class.php b/packages/web/lib/fog/host.class.php
index 308cb153fc..f8d9988f53 100644
--- a/packages/web/lib/fog/host.class.php
+++ b/packages/web/lib/fog/host.class.php
@@ -1005,7 +1005,7 @@ protected function loadSnapinjob()
         $sjID = self::getSubObjectIDs(
             'SnapinJob',
             array(
-                'stateID' => array_merge(
+                'stateID' => self::fastmerge(
                     $this->getQueuedStates(),
                     (array)$this->getProgressState()
                 ),
@@ -1023,7 +1023,7 @@ protected function loadSnapinjob()
     protected function loadTask()
     {
         $find['hostID'] = $this->get('id');
-        $find['stateID'] = array_merge(
+        $find['stateID'] = self::fastmerge(
             $this->getQueuedStates(),
             (array)$this->getProgressState()
         );
@@ -1075,7 +1075,7 @@ protected function loadOptimalStorageNode()
     public function getActiveTaskCount()
     {
         $find = array(
-            'stateID' => array_merge(
+            'stateID' => self::fastmerge(
                 $this->getQueuedStates(),
                 (array)$this->getProgressState()
             ),
@@ -1157,7 +1157,7 @@ private function _cancelJobsSnapinsForHost()
             'SnapinJob',
             array(
                 'hostID' => $this->get('id'),
-                'stateID' => array_merge(
+                'stateID' => self::fastmerge(
                     $this->getQueuedStates(),
                     (array)$this->getProgressState()
                 )
@@ -1167,7 +1167,7 @@ private function _cancelJobsSnapinsForHost()
             ->update(
                 array(
                     'jobID' => $SnapinJobs,
-                    'stateID' => array_merge(
+                    'stateID' => self::fastmerge(
                         $this->getQueuedStates(),
                         (array)$this->getProgressState()
                     )
@@ -1188,7 +1188,7 @@ private function _cancelJobsSnapinsForHost()
         $AllTasks = self::getSubObjectIDs(
             'Task',
             array(
-                'stateID' => array_merge(
+                'stateID' => self::fastmerge(
                     $this->getQueuedStates(),
                     (array)$this->getProgressState()
                 ),
@@ -1422,7 +1422,7 @@ public function createImagePackage(
                     return $MulticastSessions;
                 };
                 $assoc = false;
-                $showStates = array_merge(
+                $showStates = self::fastmerge(
                     $this->getQueuedStates(),
                     (array)$this->getProgressState()
                 );
diff --git a/packages/web/lib/fog/page.class.php b/packages/web/lib/fog/page.class.php
index 9d79e0aea9..d730ccfec5 100644
--- a/packages/web/lib/fog/page.class.php
+++ b/packages/web/lib/fog/page.class.php
@@ -263,7 +263,7 @@ function (
                 }
             );
             if (!self::$isMobile) {
-                $links = array_merge(
+                $links = self::fastmerge(
                     (array)$links,
                     array(
                         'hwinfo',
diff --git a/packages/web/lib/fog/snapin.class.php b/packages/web/lib/fog/snapin.class.php
index 12f82df908..171f045ec8 100644
--- a/packages/web/lib/fog/snapin.class.php
+++ b/packages/web/lib/fog/snapin.class.php
@@ -98,7 +98,7 @@ public function destroy($key = 'id')
             'SnapinJob',
             array(
                 'id' => $snapinJobIDs,
-                'stateID' => array_merge(
+                'stateID' => self::fastmerge(
                     $this->getQueuedStates(),
                     (array) $this->getProgressState()
                 ),
diff --git a/packages/web/lib/fog/snapintaskmanager.class.php b/packages/web/lib/fog/snapintaskmanager.class.php
index 9cab299ce5..9cbd7fa191 100644
--- a/packages/web/lib/fog/snapintaskmanager.class.php
+++ b/packages/web/lib/fog/snapintaskmanager.class.php
@@ -115,7 +115,7 @@ public function cancel($snapintaskids)
                 ->count(
                     array(
                         'jobID' => $jobID,
-                        'stateID' => array_merge(
+                        'stateID' => self::fastmerge(
                             (array) $this->getQueuedStates(),
                             (array) $this->getProgressState()
                         )
diff --git a/packages/web/lib/fog/storagenode.class.php b/packages/web/lib/fog/storagenode.class.php
index f2210daf8c..7a535d82b7 100644
--- a/packages/web/lib/fog/storagenode.class.php
+++ b/packages/web/lib/fog/storagenode.class.php
@@ -188,7 +188,7 @@ public function getLogfiles()
         );
         $paths = self::$FOGURLRequests->process($url);
         foreach ((array) $paths as $index => &$response) {
-            $tmppath = array_merge(
+            $tmppath = self::fastmerge(
                 (array) $tmppath,
                 (array) json_decode($response, true)
             );
diff --git a/packages/web/lib/fog/system.class.php b/packages/web/lib/fog/system.class.php
index 424bdbd698..706c2220a9 100644
--- a/packages/web/lib/fog/system.class.php
+++ b/packages/web/lib/fog/system.class.php
@@ -53,7 +53,7 @@ private static function _versionCompare()
     public function __construct()
     {
         self::_versionCompare();
-        define('FOG_VERSION', '7144712');
+        define('FOG_VERSION', '477');
         define('FOG_SCHEMA', 244);
         define('FOG_BCACHE_VER', 111);
         define('FOG_SVN_REVISION', 6052);
diff --git a/packages/web/lib/fog/task.class.php b/packages/web/lib/fog/task.class.php
index 67bd75de72..581880d163 100644
--- a/packages/web/lib/fog/task.class.php
+++ b/packages/web/lib/fog/task.class.php
@@ -137,7 +137,7 @@ public function getInFrontOfHostCount()
         $used = explode(',', self::getSetting('FOG_USED_TASKS'));
         $Tasks = $this->getManager()->find(
             array(
-                'stateID' => array_merge(
+                'stateID' => self::fastmerge(
                     (array)$this->getQueuedStates(),
                     (array)$this->getProgressState()
                 ),
diff --git a/packages/web/lib/fog/taskmanager.class.php b/packages/web/lib/fog/taskmanager.class.php
index 82cd89bb74..77255d238e 100644
--- a/packages/web/lib/fog/taskmanager.class.php
+++ b/packages/web/lib/fog/taskmanager.class.php
@@ -75,7 +75,7 @@ public function install()
     public function cancel($taskids)
     {
         $cancelled = $this->getCancelledState();
-        $notComplete = array_merge(
+        $notComplete = self::fastmerge(
             (array)$this->getQueuedStates(),
             (array)$this->getProgressState()
         );
diff --git a/packages/web/lib/fog/wakeonlan.class.php b/packages/web/lib/fog/wakeonlan.class.php
index d590abc0f6..2b1b22b4ff 100644
--- a/packages/web/lib/fog/wakeonlan.class.php
+++ b/packages/web/lib/fog/wakeonlan.class.php
@@ -55,7 +55,7 @@ public function send()
         ) {
             throw new Exception(self::$foglang['InvalidMAC']);
         }
-        $BroadCast = array_merge(
+        $BroadCast = self::fastmerge(
             (array) '255.255.255.255',
             self::$FOGCore->getBroadcast()
         );
diff --git a/packages/web/lib/hooks/setsnapintaskstate.hook.php b/packages/web/lib/hooks/setsnapintaskstate.hook.php
index cad798ddc9..c10bcc9beb 100644
--- a/packages/web/lib/hooks/setsnapintaskstate.hook.php
+++ b/packages/web/lib/hooks/setsnapintaskstate.hook.php
@@ -82,7 +82,7 @@ public function setProgressState($arguments)
      */
     public function addQueuedState($arguments)
     {
-        $arguments['queuedStates'] = array_merge(
+        $arguments['queuedStates'] = self::fastmerge(
             $arguments['queuedStates'],
             range(6, 75)
         );
diff --git a/packages/web/lib/pages/fogconfigurationpage.class.php b/packages/web/lib/pages/fogconfigurationpage.class.php
index ccc9024cd1..2d8bd6a9a5 100644
--- a/packages/web/lib/pages/fogconfigurationpage.class.php
+++ b/packages/web/lib/pages/fogconfigurationpage.class.php
@@ -1779,12 +1779,12 @@ public function settingsPost()
             'MULTICASESLEEPTIME' => true,
             // FOG Quick Registration
             'FOG_QUICKREG_AUTOPOP' => $checkbox,
-            'FOG_QUICKREG_IMG_ID' => array_merge(
+            'FOG_QUICKREG_IMG_ID' => self::fastmerge(
                 (array)0,
                 self::getSubObjectIDs('Image')
             ),
             'FOG_QUICKREG_SYS_NUMBER' => true,
-            'FOG_QUICKREG_GROUP_ASSOC' => array_merge(
+            'FOG_QUICKREG_GROUP_ASSOC' => self::fastmerge(
                 (array)0,
                 self::getSubObjectIDs('Group')
             ),
diff --git a/packages/web/lib/pages/hostmanagementpage.class.php b/packages/web/lib/pages/hostmanagementpage.class.php
index 019a173eaf..b5925ba212 100644
--- a/packages/web/lib/pages/hostmanagementpage.class.php
+++ b/packages/web/lib/pages/hostmanagementpage.class.php
@@ -55,7 +55,7 @@ public function __construct($name = '')
                 ) => self::$foglang['General'],
             );
             if (!$this->obj->get('pending')) {
-                $this->subMenu = array_merge(
+                $this->subMenu = self::fastmerge(
                     $this->subMenu,
                     array(
                         sprintf(
@@ -65,7 +65,7 @@ public function __construct($name = '')
                     )
                 );
             }
-            $this->subMenu = array_merge(
+            $this->subMenu = self::fastmerge(
                 $this->subMenu,
                 array(
                     sprintf(
diff --git a/packages/web/lib/pages/imagemanagementpage.class.php b/packages/web/lib/pages/imagemanagementpage.class.php
index db2ced2d5e..4171b20219 100644
--- a/packages/web/lib/pages/imagemanagementpage.class.php
+++ b/packages/web/lib/pages/imagemanagementpage.class.php
@@ -1249,7 +1249,7 @@ public function multicast()
         $MCSessions = self::getClass('MulticastSessionsManager')
             ->find(
                 array(
-                    'stateID' => array_merge(
+                    'stateID' => self::fastmerge(
                         (array)$this->getQueuedStates(),
                         (array)$this->getProgressState()
                     )
@@ -1320,7 +1320,7 @@ public function multicastPost()
             $countmc = self::getClass('MulticastSessionsManager')
                 ->count(
                     array(
-                        'stateID' => array_merge(
+                        'stateID' => self::fastmerge(
                             (array)$this->getQueuedStates(),
                             (array)$this->getProgressState()
                         )
diff --git a/packages/web/lib/pages/printermanagementpage.class.php b/packages/web/lib/pages/printermanagementpage.class.php
index d7266ace3c..490c2621d2 100644
--- a/packages/web/lib/pages/printermanagementpage.class.php
+++ b/packages/web/lib/pages/printermanagementpage.class.php
@@ -248,7 +248,7 @@ public function add()
         echo '</div>';
         unset($this->data);
         unset($fields['&nbsp;']);
-        $fields = array_merge(
+        $fields = self::fastmerge(
             $fields,
             array(
                 sprintf(
@@ -312,7 +312,7 @@ public function add()
         $this->render();
         echo '</div>';
         unset($this->data);
-        $fields = array_merge(
+        $fields = self::fastmerge(
             $fields,
             array(
                 _('Printer Port') => sprintf(
@@ -535,7 +535,7 @@ public function edit()
         echo '</div>';
         unset($this->data);
         unset($fields['&nbsp;']);
-        $fields = array_merge(
+        $fields = self::fastmerge(
             $fields,
             array(
                 sprintf(
@@ -598,7 +598,7 @@ public function edit()
         $this->render();
         echo '</div>';
         unset($this->data);
-        $fields = array_merge(
+        $fields = self::fastmerge(
             $fields,
             array(
                 _('Printer Port') => sprintf(
diff --git a/packages/web/lib/pages/reportmanagementpage.class.php b/packages/web/lib/pages/reportmanagementpage.class.php
index 4933375f34..77c1d16f33 100644
--- a/packages/web/lib/pages/reportmanagementpage.class.php
+++ b/packages/web/lib/pages/reportmanagementpage.class.php
@@ -96,7 +96,7 @@ public function __construct($name = '')
         $reportlink = "?node={$this->node}&sub=file&f=";
         array_map(
             function (&$report) use (&$reportlink) {
-                $this->menu = array_merge(
+                $this->menu = self::fastmerge(
                     (array) $this->menu,
                     array(
                         sprintf(
@@ -120,7 +120,7 @@ function (&$item) {
             },
             (array) self::_loadCustomReports()
         );
-        $this->menu = array_merge(
+        $this->menu = self::fastmerge(
             (array) $this->menu,
             array('upload' => self::$foglang['UploadRprts'])
         );
@@ -223,7 +223,7 @@ public function imaginglog()
             '${field}',
             '${input}',
         );
-        $AllDates = array_merge(
+        $AllDates = self::fastmerge(
             self::$DB->query(
                 "SELECT DATE_FORMAT(`ilStartTime`,'%Y-%m-%d') start FROM "
                 . "`imagingLog` WHERE DATE_FORMAT(`ilStartTime`,'%Y-%m-%d') "
@@ -1391,7 +1391,7 @@ public function snapinlog()
             '${field}',
             '${input}',
         );
-        $AllDates = array_merge(
+        $AllDates = self::fastmerge(
             self::$DB->query(
                 "SELECT DATE_FORMAT(`stCheckinDate`,'%Y-%m-%d') "
                 . "start FROM `snapinTasks` WHERE DATE_FORMAT("
diff --git a/packages/web/lib/pages/snapinmanagementpage.class.php b/packages/web/lib/pages/snapinmanagementpage.class.php
index 9824182881..de5f99f98a 100644
--- a/packages/web/lib/pages/snapinmanagementpage.class.php
+++ b/packages/web/lib/pages/snapinmanagementpage.class.php
@@ -783,7 +783,7 @@ public function edit()
          */
         $nodeIDs = array();
         foreach ((array)$StorageGroups as &$StorageGroup) {
-            $nodeIDs = array_merge(
+            $nodeIDs = self::fastmerge(
                 (array)$nodeIDs,
                 (array)$StorageGroup->get('enablednodes')
             );
@@ -808,7 +808,7 @@ public function edit()
                 if (!$StorageNode->isValid()) {
                     continue;
                 }
-                $filelist = array_merge(
+                $filelist = self::fastmerge(
                     (array)$filelist,
                     (array)$StorageNode->get('snapinfiles')
                 );
diff --git a/packages/web/lib/pages/taskmanagementpage.class.php b/packages/web/lib/pages/taskmanagementpage.class.php
index 6d5d087677..725391ff5e 100644
--- a/packages/web/lib/pages/taskmanagementpage.class.php
+++ b/packages/web/lib/pages/taskmanagementpage.class.php
@@ -216,7 +216,7 @@ public function active()
         $this->data = array();
         $Tasks = self::getClass('TaskManager')->find(
             array(
-                'stateID' => array_merge(
+                'stateID' => self::fastmerge(
                     (array) $this->getQueuedStates(),
                     (array) $this->getProgressState()
                 )
@@ -709,7 +709,7 @@ public function activemulticast()
         );
         $MultiSessions = self::getClass('MulticastSessionsManager')->find(
             array(
-                'stateID' => array_merge(
+                'stateID' => self::fastmerge(
                     (array) $this->getQueuedStates(),
                     (array) $this->getProgressState()
                 )
@@ -833,7 +833,7 @@ public function activesnapins()
                 'width' => 40
             )
         );
-        $activestate = array_merge(
+        $activestate = self::fastmerge(
             (array) $this->getQueuedStates(),
             (array) $this->getProgressState()
         );
diff --git a/packages/web/lib/pages/taskmobile.class.php b/packages/web/lib/pages/taskmobile.class.php
index eea1df4a67..11eac445de 100644
--- a/packages/web/lib/pages/taskmobile.class.php
+++ b/packages/web/lib/pages/taskmobile.class.php
@@ -148,7 +148,7 @@ public function active()
     {
         $Tasks = self::getClass('TaskManager')->find(
             array(
-                'stateID' => array_merge(
+                'stateID' => self::fastmerge(
                     (array) $this->getQueuedStates(),
                     (array) $this->getProgressState()
                 )
diff --git a/packages/web/lib/plugins/fileintegrity/class/fileintegrity.class.php b/packages/web/lib/plugins/fileintegrity/class/fileintegrity.class.php
index e35f508694..d3039e6b57 100644
--- a/packages/web/lib/plugins/fileintegrity/class/fileintegrity.class.php
+++ b/packages/web/lib/plugins/fileintegrity/class/fileintegrity.class.php
@@ -189,7 +189,7 @@ public function getSnapinFiles()
      */
     public function processPathFiles()
     {
-        $files = array_merge(
+        $files = self::fastmerge(
             (array)self::$imagePaths,
             (array)self::$snapinFiles
         );
diff --git a/packages/web/lib/plugins/location/hooks/changeitems.hook.php b/packages/web/lib/plugins/location/hooks/changeitems.hook.php
index 45d30d5911..7190c90ed1 100644
--- a/packages/web/lib/plugins/location/hooks/changeitems.hook.php
+++ b/packages/web/lib/plugins/location/hooks/changeitems.hook.php
@@ -222,7 +222,7 @@ public function alterMasters($arguments)
             '',
             'storagenodeID'
         );
-        $storagenodeIDs = array_merge(
+        $storagenodeIDs = self::fastmerge(
             (array) $storagenodeIDs,
             (array) $arguments['MasterIDs']
         );
diff --git a/packages/web/lib/plugins/slack/pages/slackmanagementpage.class.php b/packages/web/lib/plugins/slack/pages/slackmanagementpage.class.php
index bc47857fd3..5021eebcdf 100644
--- a/packages/web/lib/plugins/slack/pages/slackmanagementpage.class.php
+++ b/packages/web/lib/plugins/slack/pages/slackmanagementpage.class.php
@@ -101,7 +101,7 @@ public function addPost()
             if (!$Slack->verifyToken()) {
                 throw new Exception(_('Invalid token passed'));
             }
-            if (array_search($user, array_merge((array)$Slack->getChannels(), (array)$Slack->getUsers())) === false) {
+            if (array_search($user, self::fastmerge((array)$Slack->getChannels(), (array)$Slack->getUsers())) === false) {
                 throw new Exception(_('Invalid user and/or channel passed'));
             }
             if (self::getClass('SlackManager')->exists($token, '', 'token') && self::getClass('SlackManager')->exists($usersend)) {
diff --git a/packages/web/lib/plugins/wolbroadcast/hooks/addbroadcastaddresses.hook.php b/packages/web/lib/plugins/wolbroadcast/hooks/addbroadcastaddresses.hook.php
index ee36207df6..43568495a4 100644
--- a/packages/web/lib/plugins/wolbroadcast/hooks/addbroadcastaddresses.hook.php
+++ b/packages/web/lib/plugins/wolbroadcast/hooks/addbroadcastaddresses.hook.php
@@ -57,7 +57,7 @@ public function addBCaddr($arguments)
         if (!in_array($this->node, (array)$_SESSION['PluginsInstalled'])) {
             return;
         }
-        $arguments['broadcast'] = array_merge(
+        $arguments['broadcast'] = self::fastmerge(
             (array) $arguments['broadcast'],
             (array) self::getSubObjectIDs('Wolbroadcast', '', 'broadcast')
         );
diff --git a/packages/web/lib/service/multicastmanager.class.php b/packages/web/lib/service/multicastmanager.class.php
index 6f176b1c3d..0d3bb86623 100644
--- a/packages/web/lib/service/multicastmanager.class.php
+++ b/packages/web/lib/service/multicastmanager.class.php
@@ -159,7 +159,7 @@ private function _serviceLoop()
     {
         while (true) {
             $this->waitDbReady();
-            $queuedStates = array_merge(
+            $queuedStates = self::fastmerge(
                 $this->getQueuedStates(),
                 (array)$this->getProgressState()
             );
diff --git a/packages/web/lib/service/multicasttask.class.php b/packages/web/lib/service/multicasttask.class.php
index 0498f47638..5ee1bcaf0e 100644
--- a/packages/web/lib/service/multicasttask.class.php
+++ b/packages/web/lib/service/multicasttask.class.php
@@ -53,7 +53,7 @@ public function getAllMulticastTasks($root, $myStorageNodeID)
             ->find(
                 array(
                     'stateID' =>
-                    array_merge(
+                    self::fastmerge(
                         $this->getQueuedStates(),
                         (array)$this->getProgressState()
                     )
diff --git a/packages/web/lib/service/taskscheduler.class.php b/packages/web/lib/service/taskscheduler.class.php
index 90a1e3343d..d2077a223e 100644
--- a/packages/web/lib/service/taskscheduler.class.php
+++ b/packages/web/lib/service/taskscheduler.class.php
@@ -161,7 +161,7 @@ private function _commonOutput()
                         'onDemand' => array(0, '')
                     )
                 );
-            $Tasks = array_merge((array)$Tasks, (array)$PMs);
+            $Tasks = self::fastmerge((array)$Tasks, (array)$PMs);
             foreach ((array)$Tasks as &$Task) {
                 if (!$Task->isValid()) {
                     continue;
diff --git a/packages/web/management/languages/messages.pot b/packages/web/management/languages/messages.pot
index afd991966f..d8dd15d088 100644
--- a/packages/web/management/languages/messages.pot
+++ b/packages/web/management/languages/messages.pot
@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2017-01-01 00:43-0500\n"
+"POT-Creation-Date: 2017-01-01 15:04-0500\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
diff --git a/packages/web/service/ipxe/boot.php b/packages/web/service/ipxe/boot.php
index 4875343fd7..c111e1ea26 100644
--- a/packages/web/service/ipxe/boot.php
+++ b/packages/web/service/ipxe/boot.php
@@ -21,7 +21,7 @@
  */
 require '../../commons/base.inc.php';
 header("Content-type: text/plain");
-$mac = array_merge(
+$mac = FOGCore::fastmerge(
     explode('|', $_REQUEST['mac']),
     explode('|', $_REQUEST['mac0']),
     explode('|', $_REQUEST['mac1']),
diff --git a/packages/web/status/getfiles.php b/packages/web/status/getfiles.php
index 4559d86c45..04092ef5ba 100644
--- a/packages/web/status/getfiles.php
+++ b/packages/web/status/getfiles.php
@@ -42,7 +42,7 @@
         $replaced_dir_sep,
         DIRECTORY_SEPARATOR
     );
-    $files = array_merge(
+    $files = self::fastmerge(
         (array) $files,
         (array) glob($glob_str)
     );