diff --git a/addhost.php b/addhost.php
index 9fea01537..1b02ee592 100755
--- a/addhost.php
+++ b/addhost.php
@@ -46,7 +46,7 @@ if (isset($argv[1]) && $argv[1])
   {
     $config['snmp']['community'] = array($community);
   }
-  
+
   if ($snmpver)
   {
     $snmpversions[] = $snmpver;
diff --git a/html/pages/device/slas.inc.php b/html/pages/device/slas.inc.php
index f194f1b96..f162ad71d 100644
--- a/html/pages/device/slas.inc.php
+++ b/html/pages/device/slas.inc.php
@@ -11,7 +11,7 @@ $sla_types = array('all' => 'All');
 foreach ($slas as $sla)
 {
   $sla_type = $sla['rtt_type'];
-  
+
   if (!in_array($sla_type, $sla_types))
     if (isset($config['sla_type_labels'][$sla_type]))
     {
@@ -21,7 +21,7 @@ foreach ($slas as $sla)
     {
       $text = ucfirst($sla_type);
     }
-    
+
     $sla_types[$sla_type] = $text;
 }
 asort($sla_types);
@@ -30,7 +30,7 @@ $sep = "";
 foreach ($sla_types as $sla_type => $text)
 {
   if (!$vars['view']) { $vars['view'] = $sla_type; }
-  
+
   echo($sep);
   if ($vars['view'] == $sla_type)
   {
@@ -59,7 +59,7 @@ foreach ($slas as $sla)
     $name .= ": ".$sla['tag'];
   if ($sla['owner'])
     $name .= " (Owner: ". $sla['owner'] .")";
-  
+
   $graph_array['type'] = "device_sla";
   $graph_array['id'] = $sla['sla_id'];
   echo('<tr><td>');
diff --git a/includes/defaults.inc.php b/includes/defaults.inc.php
index d46130b59..0d064ae93 100644
--- a/includes/defaults.inc.php
+++ b/includes/defaults.inc.php
@@ -182,6 +182,7 @@ $config['enable_inventory']             = 1; # Enable Inventory
 $config['enable_pseudowires']           = 1; # Enable Pseudowires
 $config['enable_vrfs']                  = 1; # Enable VRFs
 $config['enable_printers']              = 0; # Enable Printer support
+$config['enable_sla']                   = 0; # Enable Cisco SLA collection and display
 
 ### Ports extension modules
 
diff --git a/includes/discovery/cisco-sla.inc.php b/includes/discovery/cisco-sla.inc.php
index e4a09ca7c..f844a5f1f 100644
--- a/includes/discovery/cisco-sla.inc.php
+++ b/includes/discovery/cisco-sla.inc.php
@@ -5,26 +5,27 @@ if ($config['enable_sla'] && $device['os_group'] == "cisco")
   echo("SLAs : ");
 
   $slas = snmp_walk($device, "ciscoRttMonMIB.ciscoRttMonObjects.rttMonCtrl", "-Osq", "+CISCO-RTTMON-MIB");
-  
+
   $sla_table = array();
-  foreach (explode("\n", $slas) as $sla) {
+  foreach (explode("\n", $slas) as $sla)
+  {
     $key_val = explode(" ", $sla, 2);
     if (count($key_val) != 2)
       $key_val[] = "";
-    
+
     $key = $key_val[0];
     $value = $key_val[1];
-    
+
     $prop_id = explode(".", $key);
     if ((count($prop_id) != 2) || !ctype_digit($prop_id[1]))
       continue;
-      
+
     $property = $prop_id[0];
     $id = intval($prop_id[1]);
-      
+
     $sla_table[$id][$property] = trim($value);
   }
-  
+
   #var_dump($sla_table);
 
   // Get existing SLAs
@@ -37,7 +38,7 @@ if ($config['enable_sla'] && $device['os_group'] == "cisco")
       'sla_nr' => $sla_nr,
     );
     $sla_id = dbFetchCell("SELECT `sla_id` FROM `slas` WHERE `device_id` = :device_id AND `sla_nr` = :sla_nr", $query_data);
-    
+
     $data = array(
       'device_id' => $device['device_id'],
       'sla_nr' => $sla_nr,
@@ -47,7 +48,7 @@ if ($config['enable_sla'] && $device['os_group'] == "cisco")
       'status' => ($sla_config['rttMonCtrlAdminStatus'] == 'active') ? 1 : 0,
       'deleted' => 0,
     );
-    
+
     // Some fallbacks for when the tag is empty
     if (!$data['tag'])
     {
@@ -56,11 +57,11 @@ if ($config['enable_sla'] && $device['os_group'] == "cisco")
         case 'http':
           $data['tag'] = $sla_config['rttMonEchoAdminURL'];
           break;
-        
+
         case 'dns':
           $data['tag'] = $sla_config['rttMonEchoAdminTargetAddressString'];
           break;
-        
+
         case 'echo':
           $parts = explode(" ", $sla_config['rttMonEchoAdminTargetAddress']);
           if (count($parts) == 4)
@@ -77,8 +78,8 @@ if ($config['enable_sla'] && $device['os_group'] == "cisco")
           break;
       }
     }
-    
-    if( !$sla_id )
+
+    if (!$sla_id)
     {
       $sla_id = dbInsert($data, 'slas');
       echo "+";
@@ -92,14 +93,14 @@ if ($config['enable_sla'] && $device['os_group'] == "cisco")
       echo ".";
     }
   }
-  
+
   // Mark all remaining SLAs as deleted
   foreach ($existing_slas as $existing_sla)
   {
     dbUpdate(array('deleted' => 1), 'slas', "`sla_id` = :sla_id", array('sla_id' => $existing_sla));
     echo "-";
   }
-    
+
   echo("\n");
 } # enable_sla && cisco
 
diff --git a/includes/discovery/functions.inc.php b/includes/discovery/functions.inc.php
index 43b26d183..5f9592178 100644
--- a/includes/discovery/functions.inc.php
+++ b/includes/discovery/functions.inc.php
@@ -129,7 +129,7 @@ function discover_sensor(&$valid, $class, $device, $oid, $index, $type, $descr,
     // Fix high/low thresholds (i.e. on negative numbers)
     list($warn_limit, $low_warn_limit) = array($low_warn_limit, $warn_limit);
   }
-  
+
   if (dbFetchCell("SELECT COUNT(sensor_id) FROM `sensors` WHERE `poller_type`= ? AND `sensor_class` = ? AND `device_id` = ? AND sensor_type = ? AND `sensor_index` = ?", array($poller_type, $class, $device['device_id'], $type, $index)) == '0')
   {
     if (!$high_limit) { $high_limit = sensor_limit($class, $current); }
diff --git a/includes/polling/cisco-cef.inc.php b/includes/polling/cisco-cef.inc.php
index d0b7c978e..f39efe5e6 100755
--- a/includes/polling/cisco-cef.inc.php
+++ b/includes/polling/cisco-cef.inc.php
@@ -3,20 +3,20 @@
 if ($device['os_group'] == "cisco")
 {
   echo("Cisco CEF Switching Path: ");
-  
+
   $cefs = array();
   $cefs = snmpwalk_cache_threepart_oid($device, "CISCO-CEF-MIB::cefSwitchingStatsEntry", $cefs, "CISCO-CEF-MIB");
   $polled = time();
-  
+
   $cefs_query = dbFetchRows("SELECT * FROM `cef_switching` WHERE `device_id` = ?", array($device['device_id']));
   foreach ($cefs_query as $ceftmp)
   {
     $cef_id = $device['device_id']."-".$ceftmp['entPhysicalIndex']."-".$ceftmp['afi']."-".$ceftmp['cef_index'];
     $cefs_db[$cef_id] = $ceftmp['cef_switching_id'];
   }
-  
+
   if ($debug) { print_r($cefs); }
-  
+
   if (is_array($cefs))
   {
     if (!is_array($entity_array))
@@ -40,9 +40,9 @@ if ($device['os_group'] == "cisco")
         foreach ($paths as $path => $cef_stat)
         {
           echo(" | |-".$path.": ".$cef_stat['cefSwitchingPath']);
-  
+
           $cef_id = $device['device_id']."-".$entity."-".$afi."-".$path;
-  
+
   #        if (dbFetchCell("SELECT COUNT(*) FROM `cef_switching` WHERE `device_id` = ? AND `entPhysicalIndex` = ? AND `afi` = ? AND `cef_index` = ?", array($device['device_id'], $entity, $afi, $path)) != "1")
           if (!isset($cefs_db[$cef_id]))
           {
@@ -50,11 +50,11 @@ if ($device['os_group'] == "cisco")
             echo("+");
           }
           unset($cefs_db[$cef_id]);
-  
+
           $cef_entry = dbFetchRow("SELECT * FROM `cef_switching` WHERE `device_id` = ? AND `entPhysicalIndex = ? AND `afi` = ? AND `cef_index` = ?", array($device['device_id'], $entity, $afi, $path));
-  
+
           $filename = $config['rrd_dir'] . "/" . $device['hostname'] . "/" . safename("cefswitching-".$entity."-".$afi."-".$path.".rrd");
-  
+
           if (!is_file($filename))
           {
             rrdtool_create($filename, "--step 300 \
@@ -66,12 +66,12 @@ if ($device['os_group'] == "cisco")
             RRA:MAX:0.5:1:600     RRA:MAX:0.5:6:700     RRA:MAX:0.5:24:775     RRA:MAX:0.5:288:797 \
             RRA:LAST:0.5:1:600    RRA:LAST:0.5:6:700    RRA:LAST:0.5:24:775    RRA:LAST:0.5:288:797");
           }
-  
+
           ### Copy HC to non-HC if they exist
           if (is_numeric($cef_stat['cefSwitchingHCDrop'])) { $cef_stat['cefSwitchingDrop'] = $cef_stat['cefSwitchingHCDrop']; }
           if (is_numeric($cef_stat['cefSwitchingHCPunt'])) { $cef_stat['cefSwitchingPunt'] = $cef_stat['cefSwitchingHCPunt']; }
           if (is_numeric($cef_stat['cefSwitchingHCPunt2Host'])) { $cef_stat['cefSwitchingPunt2Host'] = $cef_stat['cefSwitchingHCPunt2Host']; }
-  
+
           $cef_stat['update']['drop'] = $cef_stat['cefSwitchingDrop'];
           $cef_stat['update']['punt'] = $cef_stat['cefSwitchingPunt'];
           $cef_stat['update']['punt2host'] = $cef_stat['cefSwitchingPunt2Host'];
@@ -80,25 +80,25 @@ if ($device['os_group'] == "cisco")
           $cef_stat['update']['punt2host_prev'] = $cef_entry['punt2host'];
           $cef_stat['update']['updated'] = $polled;
           $cef_stat['update']['updated_prev'] = $cef_entry['updated'];
-  
+
           dbUpdate($cef_stat['update'], 'cef_switching', '`device_id` = ? AND `entPhysicalIndex` = ? AND `afi` = ? AND `cef_index` = ?', array($device['device_id'], $entity, $afi, $path));
-  
+
           $rrd_update  = "N:".$cef_stat['cefSwitchingDrop'].":".$cef_stat['cefSwitchingPunt'].":".$cef_stat['cefSwitchingPunt2Host'];
           $ret = rrdtool_update("$filename", $rrd_update);
-  
+
           if ($debug) { echo(" Values: ".$cef_stat['cefSwitchingDrop'].":".$cef_stat['cefSwitchingPunt'].":".$cef_stat['cefSwitchingPunt2Host']); }
-  
+
           echo("\n");
-  
+
         }
       }
     }
   }
-  
+
   ## FIXME - need to delete old ones. FIXME REALLY.
-  
+
   print_r($cefs_db);
-  
+
   foreach ($cefs_db as $cef_switching_id)
   {
     dbDelete("cef_switching", "`cef_switching_id` =  ?", array($cef_switching_id));
@@ -107,5 +107,5 @@ if ($device['os_group'] == "cisco")
 
   echo("\n");
 } # os_group = cisco
-  
+
 ?>
diff --git a/includes/polling/cisco-mac-accounting.inc.php b/includes/polling/cisco-mac-accounting.inc.php
index 53b9a1f96..608530800 100755
--- a/includes/polling/cisco-mac-accounting.inc.php
+++ b/includes/polling/cisco-mac-accounting.inc.php
@@ -7,42 +7,42 @@ if ($device['os_group'] == "cisco")
   $cip_oids = array('cipMacHCSwitchedBytes', 'cipMacHCSwitchedPkts');
   echo("Cisco MAC - Caching OID: ");
   $cip_array = array();
-  
+
   foreach ($cip_oids as $oid)
   {
     echo("$oid ");
     $cip_array = snmpwalk_cache_cip($device, $oid, $cip_array, "CISCO-IP-STAT-MIB");
   }
-  
+
   $polled = time();
-  
+
   $mac_entries = 0;
-  
+
   $acc_rows = dbFetchRows("SELECT *, A.poll_time AS poll_time FROM `mac_accounting` as A, `ports` AS I where A.interface_id = I.interface_id AND I.device_id = ?", array($device['device_id']));
-  
+
   foreach ($acc_rows as $acc)
   {
     $device_id = $acc['device_id'];
     $ifIndex = $acc['ifIndex'];
     $mac = $acc['mac'];
-  
+
     $polled_period = $polled - $acc['poll_time'];
-  
+
     if ($cip_array[$ifIndex][$mac])
     {
       $acc['update']['poll_time'] = $polled;
       $acc['update']['poll_prev'] = $acc['poll_time'];
       $acc['update']['poll_period'] = $polled_period;
-  
+
       $mac_entries++;
-  
+
       $b_in = $cip_array[$ifIndex][$mac]['cipMacHCSwitchedBytes']['input'];
       $b_out = $cip_array[$ifIndex][$mac]['cipMacHCSwitchedBytes']['output'];
       $p_in = $cip_array[$ifIndex][$mac]['cipMacHCSwitchedPkts']['input'];
       $p_out = $cip_array[$ifIndex][$mac]['cipMacHCSwitchedPkts']['output'];
-  
+
       $this_ma = &$cip_array[$ifIndex][$mac];
-  
+
       /// Update metrics
       foreach ($cip_oids as $oid)
       {
@@ -62,11 +62,11 @@ if ($device['os_group'] == "cisco")
           }
         }
       }
-  
+
       if ($debug) { echo("\n" . $acc['hostname']." ".$acc['ifDescr'] . "  $mac -> $b_in:$b_out:$p_in:$p_out "); }
-  
+
       $rrdfile = $config['rrd_dir'] . "/" . $device['hostname'] . "/" . safename("cip-" . $acc['ifIndex'] . "-" . $acc['mac'] . ".rrd");
-  
+
       if (!is_file($rrdfile))
       {
         rrdtool_create($rrdfile,"DS:IN:COUNTER:600:0:12500000000 \
@@ -84,19 +84,19 @@ if ($device['os_group'] == "cisco")
       }
       $woo = "N:".($b_in+0).":".($b_out+0).":".($p_in+0).":".($p_out+0);
       $ret = rrdtool_update("$rrdfile", $woo);
-  
+
       if ($acc['update'])
       { /// Do Updates
         dbUpdate($acc['update'], 'mac_accounting', '`ma_id` = ?', array($acc['ma_id']));
       } /// End Updates
     }
   }
-  
+
   unset($cip_array);
-  
+
   if ($mac_entries) { echo(" $mac_entries MAC accounting entries\n"); }
-  
+
   echo("\n");
 }
-  
+
 ?>
diff --git a/includes/polling/os/fortigate.inc.php b/includes/polling/os/fortigate.inc.php
index 866758c52..2c07d249c 100755
--- a/includes/polling/os/fortigate.inc.php
+++ b/includes/polling/os/fortigate.inc.php
@@ -60,5 +60,4 @@ if (is_numeric($cpu_usage))
 #$mem=snmp_get($device, "FORTINET-FORTIGATE-MIB::fgSysMemUsage.0", "-Ovq");
 #$memsize=snmp_get($device, "FORTINET-FORTIGATE-MIB::fgSysMemCapacity", "-Ovq");
 
-
 ?>
diff --git a/includes/polling/ports.inc.php b/includes/polling/ports.inc.php
index 88ca27d15..e9ce18ee4 100755
--- a/includes/polling/ports.inc.php
+++ b/includes/polling/ports.inc.php
@@ -446,7 +446,7 @@ foreach ($ports as $port)
   elseif ($port['disabled'] != "1")
   {
     echo("Port Deleted"); ### Port missing from SNMP cache.
-    if($port['deleted'] != "1")
+    if ($port['deleted'] != "1")
     {
       dbUpdate(array('deleted' => '1'), 'ports',  '`device_id` = ? AND `ifIndex` = ?', array($device['device_id'], $port['ifIndex']));
     }
diff --git a/includes/snmp.inc.php b/includes/snmp.inc.php
index 34aa3e7c9..455c42b61 100644
--- a/includes/snmp.inc.php
+++ b/includes/snmp.inc.php
@@ -14,7 +14,7 @@ function snmp_get_multi($device, $oids, $options = "-OQUs", $mib = NULL, $mibdir
 {
   global $debug,$config,$runtime_stats,$mibs_loaded;
 
-  if(!$options) { $options = "-OQUs"; }
+  if (!$options) { $options = "-OQUs"; }
 
   if (is_numeric($device['timeout']) && $device['timeout'] > 0)
   {