diff --git a/src/etc/rc.filter_synchronize b/src/etc/rc.filter_synchronize
index f276628f1..2bb40219d 100755
--- a/src/etc/rc.filter_synchronize
+++ b/src/etc/rc.filter_synchronize
@@ -70,7 +70,7 @@ function get_vip_config_section(): array
  * @param boolean $debug enable debug output
  * @return boolean
  */
-function carp_check_version($url, $username, $password, $debug=false)
+function carp_check_version($url, $username, $password, $debug = false)
 {
     $client = new SimpleXMLRPC_Client($url, 240);
     $client->debug = $debug;
diff --git a/src/sbin/pluginctl b/src/sbin/pluginctl
index 885e3cc4f..0b7b53f79 100755
--- a/src/sbin/pluginctl
+++ b/src/sbin/pluginctl
@@ -39,7 +39,7 @@ require_once 'auth.inc';
 /**
  * retrieve config property by path (e.g. system.firmware), return simple type or json
  */
-function get_config_prop($path, $cnf=null)
+function get_config_prop($path, $cnf = null)
 {
     global $config;
     $cnf = $cnf === null ? $config : $cnf;
diff --git a/src/www/guiconfig.inc b/src/www/guiconfig.inc
index 402cb3248..45343d637 100644
--- a/src/www/guiconfig.inc
+++ b/src/www/guiconfig.inc
@@ -303,7 +303,7 @@ function get_std_save_message($plain = false)
     }
 }
 
-function get_specialnets($only_enabled=false)
+function get_specialnets($only_enabled = false)
 {
     $specialnets = array();
     $specialnets["any"] = gettext("any");
@@ -411,7 +411,7 @@ function address_to_pconfig($adr, &$padr, &$pmask, &$pnot, &$pbeginport, &$pendp
     }
 }
 
-function pconfig_to_address(&$adr, $padr, $pmask, $pnot=false, $pbeginport=0, $pendport=0)
+function pconfig_to_address(&$adr, $padr, $pmask, $pnot = false, $pbeginport = 0, $pendport = 0)
 {
     $adr = array();
     if ($padr == "any") {
diff --git a/src/www/interfaces_lagg_edit.php b/src/www/interfaces_lagg_edit.php
index 1a678a965..7bf90455c 100644
--- a/src/www/interfaces_lagg_edit.php
+++ b/src/www/interfaces_lagg_edit.php
@@ -36,7 +36,7 @@ require_once("interfaces.inc");
  * @param null $selected_id selected item index
  * @return array
  */
-function available_interfaces($selected_id=null)
+function available_interfaces($selected_id = null)
 {
     global $config;
     // configured interfaces
diff --git a/src/www/status_habackup.php b/src/www/status_habackup.php
index cfb23609c..1335dfdd9 100644
--- a/src/www/status_habackup.php
+++ b/src/www/status_habackup.php
@@ -29,7 +29,7 @@
 require_once("guiconfig.inc");
 require_once("XMLRPC_Client.inc") ;
 
-function xmlrpc_exec($method, $params=array(), $debug=false)
+function xmlrpc_exec($method, $params = [], $debug = false)
 {
     global $config;
     $synchronizeto = null;
diff --git a/src/www/status_interfaces.php b/src/www/status_interfaces.php
index 4c6dd0472..8a9ecc535 100644
--- a/src/www/status_interfaces.php
+++ b/src/www/status_interfaces.php
@@ -87,7 +87,7 @@ include("head.inc");
                         </th>
 <?php
                         if (!isset($first_row)):
-                          $first_row=false; ?>
+                          $first_row = false; ?>
                         <th id="collapse_all" style="cursor: pointer; padding-left: .5em; padding-right: .5em" data-toggle="tooltip" title="<?= gettext("collapse/expand all") ?>">
                           <div class="pull-right">
                             <i class="fa fa-expand"></i>
diff --git a/src/www/system_gateway_groups_edit.php b/src/www/system_gateway_groups_edit.php
index f7509c44e..0b25fe820 100644
--- a/src/www/system_gateway_groups_edit.php
+++ b/src/www/system_gateway_groups_edit.php
@@ -40,7 +40,7 @@ if ($_SERVER['REQUEST_METHOD'] === 'GET') {
     } elseif (isset($_GET['dup']) && isset($a_gateway_groups[$_GET['dup']])) {
         $configId = $_GET['dup'];
     }
-    $pconfig=array();
+    $pconfig = [];
     if (isset($configId)) {
         $pconfig['name'] = $a_gateway_groups[$configId]['name'];
         $pconfig['item'] = &$a_gateway_groups[$configId]['item'];
diff --git a/src/www/system_usermanager.php b/src/www/system_usermanager.php
index a3664431d..b43fd56f7 100644
--- a/src/www/system_usermanager.php
+++ b/src/www/system_usermanager.php
@@ -486,7 +486,7 @@ $( document ).ready(function() {
       event.preventDefault();
       const url="system_usermanager_import_ldap.php";
       var oWin = window.open(url,"OPNsense","width=620,height=400,top=150,left=150,scrollbars=yes");
-      if (oWin==null || typeof(oWin)=="undefined") {
+      if (oWin == null || typeof(oWin) == "undefined") {
         alert("<?= html_safe(gettext('Popup blocker detected. Action aborted.')) ?>");
       }
     });
diff --git a/src/www/vpn_ipsec.php b/src/www/vpn_ipsec.php
index 60ad4e340..26f166dcb 100644
--- a/src/www/vpn_ipsec.php
+++ b/src/www/vpn_ipsec.php
@@ -391,7 +391,7 @@ $( document ).ready(function() {
                       </td>
                       <td class="hidden-xs">
                           <?=empty($ph1ent['protocol']) || $ph1ent['protocol'] == "inet" ? "IPv4" : "IPv6"; ?>
-                          <?php $ph1ent_type=array("ikev1" => "IKE", "ikev2" => "IKEv2", "ike" => "auto"); ?>
+                          <?php $ph1ent_type = array('ikev1' => 'IKE', 'ikev2' => 'IKEv2', 'ike' => 'auto'); ?>
                           <?=!empty($ph1ent['iketype']) &&  isset($ph1ent_type[$ph1ent['iketype']]) ? $ph1ent_type[$ph1ent['iketype']] :"" ;?>
                       </td>
                       <td>
diff --git a/src/www/vpn_ipsec_phase1.php b/src/www/vpn_ipsec_phase1.php
index ba8e0e857..14228e6a0 100644
--- a/src/www/vpn_ipsec_phase1.php
+++ b/src/www/vpn_ipsec_phase1.php
@@ -148,7 +148,7 @@ if ($_SERVER['REQUEST_METHOD'] === 'GET') {
 
         /* mobile client */
         if (isset($_GET['mobile'])) {
-            $pconfig['mobile']=true;
+            $pconfig['mobile'] = true;
         }
         // init empty
         foreach (explode(",", $phase1_fields) as $fieldname) {
diff --git a/src/www/vpn_ipsec_phase2.php b/src/www/vpn_ipsec_phase2.php
index 2ad545658..1fac51113 100644
--- a/src/www/vpn_ipsec_phase2.php
+++ b/src/www/vpn_ipsec_phase2.php
@@ -191,7 +191,7 @@ if ($_SERVER['REQUEST_METHOD'] === 'GET') {
 
         /* mobile client */
         if (isset($_GET['mobile'])) {
-            $pconfig['mobile']=true;
+            $pconfig['mobile'] = true;
         }
         // init empty
         foreach (explode(",", $phase2_fields) as $fieldname) {
diff --git a/src/www/vpn_openvpn_csc.php b/src/www/vpn_openvpn_csc.php
index 5ecb43437..5f1f27528 100644
--- a/src/www/vpn_openvpn_csc.php
+++ b/src/www/vpn_openvpn_csc.php
@@ -39,9 +39,9 @@ $all_form_fields = "custom_options,disable,common_name,block,description
     ,wins_server2,ovpn_servers";
 
 $a_csc = &config_read_array('openvpn', 'openvpn-csc');
-
 $vpnid = 0;
-$act=null;
+$act = null;
+
 if ($_SERVER['REQUEST_METHOD'] === 'GET') {
     $pconfig = array();
     if (isset($_GET['dup']) && isset($a_csc[$_GET['dup']]))  {