diff --git a/scripts/pi-hole/php/groups.php b/scripts/pi-hole/php/groups.php
index 3f041753..946c3d2e 100644
--- a/scripts/pi-hole/php/groups.php
+++ b/scripts/pi-hole/php/groups.php
@@ -9,13 +9,10 @@
 require_once('auth.php');
 
 // Authentication checks
-if(isset($_POST['token']))
-{
+if (isset($_POST['token'])) {
     check_cors();
     check_csrf($_POST['token']);
-}
-else
-{
+} else {
     log_and_die('Not allowed!');
 }
 
@@ -36,790 +33,600 @@ function JSON_error($message = null)
 {
     header('Content-type: application/json');
     $response = array('success' => false, 'message' => $message);
-    if(isset($_POST['action']))
-    {
+    if (isset($_POST['action'])) {
         array_push($response, array('action' => $_POST['action']));
     }
     echo json_encode($response);
 }
 
-if($_POST['action'] == 'get_groups')
-{
+if ($_POST['action'] == 'get_groups') {
     // List all available groups
-    try
-    {
+    try {
         $query = $db->query('SELECT * FROM "group";');
         $data = array();
-        while(($res = $query->fetchArray(SQLITE3_ASSOC)) !== false)
-        {
-            array_push($data,$res);
+        while (($res = $query->fetchArray(SQLITE3_ASSOC)) !== false) {
+            array_push($data, $res);
         }
         echo json_encode(array('data' => $data));
-    }
-    catch (\Exception $ex)
-    {
+    } catch (\Exception $ex) {
         return JSON_error($ex->getMessage());
     }
-}
-elseif($_POST['action'] == 'add_group')
-{
+} elseif ($_POST['action'] == 'add_group') {
     // Add new group
-    try
-    {
+    try {
         $stmt = $db->prepare('INSERT INTO "group" (name,description) VALUES (:name,:desc)');
-        if(!$stmt)
-        {
-            throw new Exception('While preparing statement: '.$db->lastErrorMsg());
+        if (!$stmt) {
+            throw new Exception('While preparing statement: ' . $db->lastErrorMsg());
         }
 
-        if(!$stmt->bindValue(':name', $_POST['name'], SQLITE3_TEXT))
-        {
-            throw new Exception('While binding name: '.$db->lastErrorMsg());
+        if (!$stmt->bindValue(':name', $_POST['name'], SQLITE3_TEXT)) {
+            throw new Exception('While binding name: ' . $db->lastErrorMsg());
         }
 
-        if(!$stmt->bindValue(':desc', $_POST['desc'], SQLITE3_TEXT))
-        {
-            throw new Exception('While binding desc: '.$db->lastErrorMsg());
+        if (!$stmt->bindValue(':desc', $_POST['desc'], SQLITE3_TEXT)) {
+            throw new Exception('While binding desc: ' . $db->lastErrorMsg());
         }
 
-        if(!$stmt->execute())
-        {
-            throw new Exception('While executing: '.$db->lastErrorMsg());
+        if (!$stmt->execute()) {
+            throw new Exception('While executing: ' . $db->lastErrorMsg());
         }
 
         $reload = true;
         return JSON_success();
-    }
-    catch (\Exception $ex)
-    {
+    } catch (\Exception $ex) {
         return JSON_error($ex->getMessage());
     }
-}
-elseif($_POST['action'] == 'edit_group')
-{
+} elseif ($_POST['action'] == 'edit_group') {
     // Edit group identified by ID
-    try
-    {
+    try {
         $stmt = $db->prepare('UPDATE "group" SET enabled=:enabled, name=:name, description=:desc WHERE id = :id');
-        if(!$stmt)
-        {
-            throw new Exception('While preparing statement: '.$db->lastErrorMsg());
+        if (!$stmt) {
+            throw new Exception('While preparing statement: ' . $db->lastErrorMsg());
         }
 
         $status = ((int) $_POST['status']) !== 0 ? 1 : 0;
-        if(!$stmt->bindValue(':enabled', $status, SQLITE3_INTEGER))
-        {
-            throw new Exception('While binding enabled: '.$db->lastErrorMsg());
+        if (!$stmt->bindValue(':enabled', $status, SQLITE3_INTEGER)) {
+            throw new Exception('While binding enabled: ' . $db->lastErrorMsg());
         }
 
-        if(!$stmt->bindValue(':name', $_POST['name'], SQLITE3_TEXT))
-        {
-            throw new Exception('While binding name: '.$db->lastErrorMsg());
+        if (!$stmt->bindValue(':name', $_POST['name'], SQLITE3_TEXT)) {
+            throw new Exception('While binding name: ' . $db->lastErrorMsg());
         }
 
         $desc = $_POST['desc'];
-        if(strlen($desc) == 0)
-        {
+        if (strlen($desc) == 0) {
             // Store NULL in database for empty descriptions
             $desc = null;
         }
-        if(!$stmt->bindValue(':desc', $desc, SQLITE3_TEXT))
-        {
-            throw new Exception('While binding desc: '.$db->lastErrorMsg());
+        if (!$stmt->bindValue(':desc', $desc, SQLITE3_TEXT)) {
+            throw new Exception('While binding desc: ' . $db->lastErrorMsg());
         }
 
-        if(!$stmt->bindValue(':id', intval($_POST['id']), SQLITE3_INTEGER))
-        {
-            throw new Exception('While binding id: '.$db->lastErrorMsg());
+        if (!$stmt->bindValue(':id', intval($_POST['id']), SQLITE3_INTEGER)) {
+            throw new Exception('While binding id: ' . $db->lastErrorMsg());
         }
 
-        if(!$stmt->execute())
-        {
-            throw new Exception('While executing: '.$db->lastErrorMsg());
+        if (!$stmt->execute()) {
+            throw new Exception('While executing: ' . $db->lastErrorMsg());
         }
 
         $reload = true;
         return JSON_success();
-    }
-    catch (\Exception $ex)
-    {
+    } catch (\Exception $ex) {
         return JSON_error($ex->getMessage());
     }
-}
-elseif($_POST['action'] == 'delete_group')
-{
+} elseif ($_POST['action'] == 'delete_group') {
     // Delete group identified by ID
-    try
-    {
+    try {
         $stmt = $db->prepare('DELETE FROM "group" WHERE id=:id');
-        if(!$stmt)
-        {
-            throw new Exception('While preparing statement: '.$db->lastErrorMsg());
+        if (!$stmt) {
+            throw new Exception('While preparing statement: ' . $db->lastErrorMsg());
         }
 
-        if(!$stmt->bindValue(':id', intval($_POST['id']), SQLITE3_INTEGER))
-        {
-            throw new Exception('While binding id: '.$db->lastErrorMsg());
+        if (!$stmt->bindValue(':id', intval($_POST['id']), SQLITE3_INTEGER)) {
+            throw new Exception('While binding id: ' . $db->lastErrorMsg());
         }
 
-        if(!$stmt->execute())
-        {
-            throw new Exception('While executing: '.$db->lastErrorMsg());
+        if (!$stmt->execute()) {
+            throw new Exception('While executing: ' . $db->lastErrorMsg());
         }
 
         $reload = true;
         return JSON_success();
-    }
-    catch (\Exception $ex)
-    {
+    } catch (\Exception $ex) {
         return JSON_error($ex->getMessage());
     }
-}
-elseif($_POST['action'] == 'get_clients')
-{
+} elseif ($_POST['action'] == 'get_clients') {
     // List all available groups
-    try
-    {
+    try {
         $query = $db->query('SELECT * FROM client;');
-        if(!$query)
-        {
-            throw new Exception('Error while querying gravity\'s client table: '.$db->lastErrorMsg());
+        if (!$query) {
+            throw new Exception('Error while querying gravity\'s client table: ' . $db->lastErrorMsg());
         }
 
         $data = array();
-        while(($res = $query->fetchArray(SQLITE3_ASSOC)) !== false)
-        {
-            $group_query = $db->query('SELECT group_id FROM client_by_group WHERE client_id = '.$res['id'].';');
-            if(!$group_query)
-            {
-                throw new Exception('Error while querying gravity\'s client_by_group table: '.$db->lastErrorMsg());
+        while (($res = $query->fetchArray(SQLITE3_ASSOC)) !== false) {
+            $group_query = $db->query('SELECT group_id FROM client_by_group WHERE client_id = ' . $res['id'] . ';');
+            if (!$group_query) {
+                throw new Exception('Error while querying gravity\'s client_by_group table: ' . $db->lastErrorMsg());
             }
     
             $groups = array();
-            while($gres = $group_query->fetchArray(SQLITE3_ASSOC))
-            {
-                array_push($groups,$gres['group_id']);
+            while ($gres = $group_query->fetchArray(SQLITE3_ASSOC)) {
+                array_push($groups, $gres['group_id']);
             }
             $res['groups'] = $groups;
-            array_push($data,$res);
+            array_push($data, $res);
         }
 
         echo json_encode(array('data' => $data));
-    }
-    catch (\Exception $ex)
-    {
+    } catch (\Exception $ex) {
         return JSON_error($ex->getMessage());
     }
-}
-elseif($_POST['action'] == 'get_unconfigured_clients')
-{
+} elseif ($_POST['action'] == 'get_unconfigured_clients') {
     // List all available clients WITHOUT already configured clients
-    try
-    {
+    try {
         $QUERYDB = getQueriesDBFilename();
         $FTLdb = SQLite3_connect($QUERYDB);
 
         $query = $FTLdb->query('SELECT DISTINCT ip FROM network_addresses ORDER BY ip ASC;');
-        if(!$query)
-        {
-            throw new Exception('Error while querying FTL\'s database: '.$db->lastErrorMsg());
+        if (!$query) {
+            throw new Exception('Error while querying FTL\'s database: ' . $db->lastErrorMsg());
         }
 
         // Loop over results
         $ips = array();
-        while($res = $query->fetchArray(SQLITE3_ASSOC))
-        {
-            array_push($ips,$res['ip']);
+        while ($res = $query->fetchArray(SQLITE3_ASSOC)) {
+            array_push($ips, $res['ip']);
         }
         $FTLdb->close();
 
         $query = $db->query('SELECT ip FROM client;');
-        if(!$query)
-        {
-            throw new Exception('Error while querying gravity\'s database: '.$db->lastErrorMsg());
+        if (!$query) {
+            throw new Exception('Error while querying gravity\'s database: ' . $db->lastErrorMsg());
         }
 
         // Loop over results, remove already configured clients
-        while(($res = $query->fetchArray(SQLITE3_ASSOC)) !== false)
-        {
+        while (($res = $query->fetchArray(SQLITE3_ASSOC)) !== false) {
             $idx = array_search($res['ip'], $ips);
-            if($idx !== false)
-            {
+            if ($idx !== false) {
                 unset($ips[$idx]);
             }
         }
 
         echo json_encode(array_values($ips));
-    }
-    catch (\Exception $ex)
-    {
+    } catch (\Exception $ex) {
         return JSON_error($ex->getMessage());
     }
-}
-elseif($_POST['action'] == 'add_client')
-{
+} elseif ($_POST['action'] == 'add_client') {
     // Add new client
-    try
-    {
+    try {
         $stmt = $db->prepare('INSERT INTO client (ip) VALUES (:ip)');
-        if(!$stmt)
-        {
-            throw new Exception('While preparing statement: '.$db->lastErrorMsg());
+        if (!$stmt) {
+            throw new Exception('While preparing statement: ' . $db->lastErrorMsg());
         }
 
-        if(!$stmt->bindValue(':ip', $_POST['ip'], SQLITE3_TEXT))
-        {
-            throw new Exception('While binding ip: '.$db->lastErrorMsg());
+        if (!$stmt->bindValue(':ip', $_POST['ip'], SQLITE3_TEXT)) {
+            throw new Exception('While binding ip: ' . $db->lastErrorMsg());
         }
 
-        if(!$stmt->execute())
-        {
-            throw new Exception('While executing: '.$db->lastErrorMsg());
+        if (!$stmt->execute()) {
+            throw new Exception('While executing: ' . $db->lastErrorMsg());
         }
 
         $reload = true;
         return JSON_success();
-    }
-    catch (\Exception $ex)
-    {
+    } catch (\Exception $ex) {
         return JSON_error($ex->getMessage());
     }
-}
-elseif($_POST['action'] == 'edit_client')
-{
+} elseif ($_POST['action'] == 'edit_client') {
     // Edit client identified by ID
-    try
-    {
+    try {
         $stmt = $db->prepare('DELETE FROM client_by_group WHERE client_id = :id');
-        if(!$stmt)
-        {
-            throw new Exception('While preparing DELETE statement: '.$db->lastErrorMsg());
+        if (!$stmt) {
+            throw new Exception('While preparing DELETE statement: ' . $db->lastErrorMsg());
         }
 
-        if(!$stmt->bindValue(':id', intval($_POST['id']), SQLITE3_INTEGER))
-        {
-            throw new Exception('While binding id: '.$db->lastErrorMsg());
+        if (!$stmt->bindValue(':id', intval($_POST['id']), SQLITE3_INTEGER)) {
+            throw new Exception('While binding id: ' . $db->lastErrorMsg());
         }
 
-        if(!$stmt->execute())
-        {
-            throw new Exception('While executing DELETE statement: '.$db->lastErrorMsg());
+        if (!$stmt->execute()) {
+            throw new Exception('While executing DELETE statement: ' . $db->lastErrorMsg());
         }
         
         $db->query('BEGIN TRANSACTION;');
-        foreach ($_POST['groups'] as $gid)
-        {
+        foreach ($_POST['groups'] as $gid) {
             $stmt = $db->prepare('INSERT INTO client_by_group (client_id,group_id) VALUES(:id,:gid);');
-            if(!$stmt)
-            {
-                throw new Exception('While preparing INSERT INTO statement: '.$db->lastErrorMsg());
+            if (!$stmt) {
+                throw new Exception('While preparing INSERT INTO statement: ' . $db->lastErrorMsg());
             }
     
-            if(!$stmt->bindValue(':id', intval($_POST['id']), SQLITE3_INTEGER))
-            {
-                throw new Exception('While binding id: '.$db->lastErrorMsg());
+            if (!$stmt->bindValue(':id', intval($_POST['id']), SQLITE3_INTEGER)) {
+                throw new Exception('While binding id: ' . $db->lastErrorMsg());
             }
     
-            if(!$stmt->bindValue(':gid', intval($gid), SQLITE3_INTEGER))
-            {
-                throw new Exception('While binding gid: '.$db->lastErrorMsg());
+            if (!$stmt->bindValue(':gid', intval($gid), SQLITE3_INTEGER)) {
+                throw new Exception('While binding gid: ' . $db->lastErrorMsg());
             }
     
-            if(!$stmt->execute())
-            {
-                throw new Exception('While executing INSERT INTO statement: '.$db->lastErrorMsg());
+            if (!$stmt->execute()) {
+                throw new Exception('While executing INSERT INTO statement: ' . $db->lastErrorMsg());
             }
         }
         $db->query('COMMIT;');
 
         $reload = true;
         return JSON_success();
-    }
-    catch (\Exception $ex)
-    {
+    } catch (\Exception $ex) {
         return JSON_error($ex->getMessage());
     }
-}
-elseif($_POST['action'] == 'delete_client')
-{
+} elseif ($_POST['action'] == 'delete_client') {
     // Delete client identified by ID
-    try
-    {
+    try {
         $stmt = $db->prepare('DELETE FROM client_by_group WHERE client_id=:id');
-        if(!$stmt)
-        {
-            throw new Exception('While preparing client_by_group statement: '.$db->lastErrorMsg());
+        if (!$stmt) {
+            throw new Exception('While preparing client_by_group statement: ' . $db->lastErrorMsg());
         }
 
-        if(!$stmt->bindValue(':id', intval($_POST['id']), SQLITE3_INTEGER))
-        {
-            throw new Exception('While binding id to client_by_group statement: '.$db->lastErrorMsg());
+        if (!$stmt->bindValue(':id', intval($_POST['id']), SQLITE3_INTEGER)) {
+            throw new Exception('While binding id to client_by_group statement: ' . $db->lastErrorMsg());
         }
 
-        if(!$stmt->execute())
-        {
-            throw new Exception('While executing client_by_group statement: '.$db->lastErrorMsg());
+        if (!$stmt->execute()) {
+            throw new Exception('While executing client_by_group statement: ' . $db->lastErrorMsg());
         }
 
         $stmt = $db->prepare('DELETE FROM client WHERE id=:id');
-        if(!$stmt)
-        {
-            throw new Exception('While preparing client statement: '.$db->lastErrorMsg());
+        if (!$stmt) {
+            throw new Exception('While preparing client statement: ' . $db->lastErrorMsg());
         }
 
-        if(!$stmt->bindValue(':id', intval($_POST['id']), SQLITE3_INTEGER))
-        {
-            throw new Exception('While binding id to client statement: '.$db->lastErrorMsg());
+        if (!$stmt->bindValue(':id', intval($_POST['id']), SQLITE3_INTEGER)) {
+            throw new Exception('While binding id to client statement: ' . $db->lastErrorMsg());
         }
 
-        if(!$stmt->execute())
-        {
-            throw new Exception('While executing client statement: '.$db->lastErrorMsg());
+        if (!$stmt->execute()) {
+            throw new Exception('While executing client statement: ' . $db->lastErrorMsg());
         }
 
         $reload = true;
         return JSON_success();
-    }
-    catch (\Exception $ex)
-    {
+    } catch (\Exception $ex) {
         return JSON_error($ex->getMessage());
     }
-}
-elseif($_POST['action'] == 'get_domains')
-{
+} elseif ($_POST['action'] == 'get_domains') {
     // List all available groups
-    try
-    {
+    try {
         $query = $db->query('SELECT * FROM domainlist;');
-        if(!$query)
-        {
-            throw new Exception('Error while querying gravity\'s domainlist table: '.$db->lastErrorMsg());
+        if (!$query) {
+            throw new Exception('Error while querying gravity\'s domainlist table: ' . $db->lastErrorMsg());
         }
 
         $data = array();
-        while(($res = $query->fetchArray(SQLITE3_ASSOC)) !== false)
-        {
-            $group_query = $db->query('SELECT group_id FROM domainlist_by_group WHERE domainlist_id = '.$res['id'].';');
-            if(!$group_query)
-            {
-                throw new Exception('Error while querying gravity\'s domainlist_by_group table: '.$db->lastErrorMsg());
+        while (($res = $query->fetchArray(SQLITE3_ASSOC)) !== false) {
+            $group_query = $db->query('SELECT group_id FROM domainlist_by_group WHERE domainlist_id = ' . $res['id'] . ';');
+            if (!$group_query) {
+                throw new Exception('Error while querying gravity\'s domainlist_by_group table: ' . $db->lastErrorMsg());
             }
     
             $groups = array();
-            while($gres = $group_query->fetchArray(SQLITE3_ASSOC))
-            {
-                array_push($groups,$gres['group_id']);
+            while ($gres = $group_query->fetchArray(SQLITE3_ASSOC)) {
+                array_push($groups, $gres['group_id']);
             }
             $res['groups'] = $groups;
-            array_push($data,$res);
+            array_push($data, $res);
         }
 
 
         echo json_encode(array('data' => $data));
-    }
-    catch (\Exception $ex)
-    {
+    } catch (\Exception $ex) {
         return JSON_error($ex->getMessage());
     }
-}
-elseif($_POST['action'] == 'add_domain')
-{
+} elseif ($_POST['action'] == 'add_domain') {
     // Add new domain
-    try
-    {
+    try {
         $stmt = $db->prepare('INSERT INTO domainlist (domain,type,comment) VALUES (:domain,:type,:comment)');
-        if(!$stmt)
-        {
-            throw new Exception('While preparing statement: '.$db->lastErrorMsg());
+        if (!$stmt) {
+            throw new Exception('While preparing statement: ' . $db->lastErrorMsg());
         }
 
-        if(!$stmt->bindValue(':domain', $_POST['domain'], SQLITE3_TEXT))
-        {
-            throw new Exception('While binding domain: '.$db->lastErrorMsg());
+        if (!$stmt->bindValue(':domain', $_POST['domain'], SQLITE3_TEXT)) {
+            throw new Exception('While binding domain: ' . $db->lastErrorMsg());
         }
 
-        if(!$stmt->bindValue(':type', intval($_POST['type']), SQLITE3_TEXT))
-        {
-            throw new Exception('While binding type: '.$db->lastErrorMsg());
+        if (!$stmt->bindValue(':type', intval($_POST['type']), SQLITE3_TEXT)) {
+            throw new Exception('While binding type: ' . $db->lastErrorMsg());
         }
 
-        if(!$stmt->bindValue(':comment', $_POST['comment'], SQLITE3_TEXT))
-        {
-            throw new Exception('While binding comment: '.$db->lastErrorMsg());
+        if (!$stmt->bindValue(':comment', $_POST['comment'], SQLITE3_TEXT)) {
+            throw new Exception('While binding comment: ' . $db->lastErrorMsg());
         }
 
-        if(!$stmt->execute())
-        {
-            throw new Exception('While executing: '.$db->lastErrorMsg());
+        if (!$stmt->execute()) {
+            throw new Exception('While executing: ' . $db->lastErrorMsg());
         }
 
         $reload = true;
         return JSON_success();
-    }
-    catch (\Exception $ex)
-    {
+    } catch (\Exception $ex) {
         return JSON_error($ex->getMessage());
     }
-}
-elseif($_POST['action'] == 'edit_domain')
-{
+} elseif ($_POST['action'] == 'edit_domain') {
     // Edit domain identified by ID
-    try
-    {
+    try {
         $stmt = $db->prepare('UPDATE domainlist SET enabled=:enabled, comment=:comment, type=:type WHERE id = :id');
-        if(!$stmt)
-        {
-            throw new Exception('While preparing statement: '.$db->lastErrorMsg());
+        if (!$stmt) {
+            throw new Exception('While preparing statement: ' . $db->lastErrorMsg());
         }
 
         $status = intval($_POST['status']);
-        if($status !== 0)
-        {
+        if ($status !== 0) {
                 $status = 1;
         }
     
-        if(!$stmt->bindValue(':enabled', $status, SQLITE3_INTEGER))
-        {
-            throw new Exception('While binding enabled: '.$db->lastErrorMsg());
+        if (!$stmt->bindValue(':enabled', $status, SQLITE3_INTEGER)) {
+            throw new Exception('While binding enabled: ' . $db->lastErrorMsg());
         }
 
         $comment = $_POST['comment'];
-        if(strlen($comment) == 0)
-        {
+        if (strlen($comment) == 0) {
                 // Store NULL in database for empty comments
                 $comment = null;
         }
-        if(!$stmt->bindValue(':comment', $comment, SQLITE3_TEXT))
-        {
-            throw new Exception('While binding comment: '.$db->lastErrorMsg());
+        if (!$stmt->bindValue(':comment', $comment, SQLITE3_TEXT)) {
+            throw new Exception('While binding comment: ' . $db->lastErrorMsg());
         }
 
-        if(!$stmt->bindValue(':type', intval($_POST['type']), SQLITE3_INTEGER))
-        {
-            throw new Exception('While binding type: '.$db->lastErrorMsg());
+        if (!$stmt->bindValue(':type', intval($_POST['type']), SQLITE3_INTEGER)) {
+            throw new Exception('While binding type: ' . $db->lastErrorMsg());
         }
 
-        if(!$stmt->bindValue(':id', intval($_POST['id']), SQLITE3_INTEGER))
-        {
-            throw new Exception('While binding id: '.$db->lastErrorMsg());
+        if (!$stmt->bindValue(':id', intval($_POST['id']), SQLITE3_INTEGER)) {
+            throw new Exception('While binding id: ' . $db->lastErrorMsg());
         }
 
-        if(!$stmt->execute())
-        {
-            throw new Exception('While executing: '.$db->lastErrorMsg());
+        if (!$stmt->execute()) {
+            throw new Exception('While executing: ' . $db->lastErrorMsg());
         }
 
         $stmt = $db->prepare('DELETE FROM domainlist_by_group WHERE domainlist_id = :id');
-        if(!$stmt)
-        {
-            throw new Exception('While preparing DELETE statement: '.$db->lastErrorMsg());
+        if (!$stmt) {
+            throw new Exception('While preparing DELETE statement: ' . $db->lastErrorMsg());
         }
 
-        if(!$stmt->bindValue(':id', intval($_POST['id']), SQLITE3_INTEGER))
-        {
-            throw new Exception('While binding id: '.$db->lastErrorMsg());
+        if (!$stmt->bindValue(':id', intval($_POST['id']), SQLITE3_INTEGER)) {
+            throw new Exception('While binding id: ' . $db->lastErrorMsg());
         }
 
-        if(!$stmt->execute())
-        {
-            throw new Exception('While executing DELETE statement: '.$db->lastErrorMsg());
+        if (!$stmt->execute()) {
+            throw new Exception('While executing DELETE statement: ' . $db->lastErrorMsg());
         }
         
         $db->query('BEGIN TRANSACTION;');
-        foreach ($_POST['groups'] as $gid)
-        {
+        foreach ($_POST['groups'] as $gid) {
             $stmt = $db->prepare('INSERT INTO domainlist_by_group (domainlist_id,group_id) VALUES(:id,:gid);');
-            if(!$stmt)
-            {
-                throw new Exception('While preparing INSERT INTO statement: '.$db->lastErrorMsg());
+            if (!$stmt) {
+                throw new Exception('While preparing INSERT INTO statement: ' . $db->lastErrorMsg());
             }
     
-            if(!$stmt->bindValue(':id', intval($_POST['id']), SQLITE3_INTEGER))
-            {
-                throw new Exception('While binding id: '.$db->lastErrorMsg());
+            if (!$stmt->bindValue(':id', intval($_POST['id']), SQLITE3_INTEGER)) {
+                throw new Exception('While binding id: ' . $db->lastErrorMsg());
             }
     
-            if(!$stmt->bindValue(':gid', intval($gid), SQLITE3_INTEGER))
-            {
-                throw new Exception('While binding gid: '.$db->lastErrorMsg());
+            if (!$stmt->bindValue(':gid', intval($gid), SQLITE3_INTEGER)) {
+                throw new Exception('While binding gid: ' . $db->lastErrorMsg());
             }
     
-            if(!$stmt->execute())
-            {
-                throw new Exception('While executing INSERT INTO statement: '.$db->lastErrorMsg());
+            if (!$stmt->execute()) {
+                throw new Exception('While executing INSERT INTO statement: ' . $db->lastErrorMsg());
             }
         }
         $db->query('COMMIT;');
 
         $reload = true;
         return JSON_success();
-    }
-    catch (\Exception $ex)
-    {
+    } catch (\Exception $ex) {
         return JSON_error($ex->getMessage());
     }
-}
-elseif($_POST['action'] == 'delete_domain')
-{
+} elseif ($_POST['action'] == 'delete_domain') {
     // Delete domain identified by ID
-    try
-    {
+    try {
         $stmt = $db->prepare('DELETE FROM domainlist_by_group WHERE domainlist_id=:id');
-        if(!$stmt)
-        {
-            throw new Exception('While preparing domainlist_by_group statement: '.$db->lastErrorMsg());
+        if (!$stmt) {
+            throw new Exception('While preparing domainlist_by_group statement: ' . $db->lastErrorMsg());
         }
 
-        if(!$stmt->bindValue(':id', intval($_POST['id']), SQLITE3_INTEGER))
-        {
-            throw new Exception('While binding id to domainlist_by_group statement: '.$db->lastErrorMsg());
+        if (!$stmt->bindValue(':id', intval($_POST['id']), SQLITE3_INTEGER)) {
+            throw new Exception('While binding id to domainlist_by_group statement: ' . $db->lastErrorMsg());
         }
 
-        if(!$stmt->execute())
-        {
-            throw new Exception('While executing domainlist_by_group statement: '.$db->lastErrorMsg());
+        if (!$stmt->execute()) {
+            throw new Exception('While executing domainlist_by_group statement: ' . $db->lastErrorMsg());
         }
 
         $stmt = $db->prepare('DELETE FROM domainlist WHERE id=:id');
-        if(!$stmt)
-        {
-            throw new Exception('While preparing domainlist statement: '.$db->lastErrorMsg());
+        if (!$stmt) {
+            throw new Exception('While preparing domainlist statement: ' . $db->lastErrorMsg());
         }
 
-        if(!$stmt->bindValue(':id', intval($_POST['id']), SQLITE3_INTEGER))
-        {
-            throw new Exception('While binding id to domainlist statement: '.$db->lastErrorMsg());
+        if (!$stmt->bindValue(':id', intval($_POST['id']), SQLITE3_INTEGER)) {
+            throw new Exception('While binding id to domainlist statement: ' . $db->lastErrorMsg());
         }
 
-        if(!$stmt->execute())
-        {
-            throw new Exception('While executing domainlist statement: '.$db->lastErrorMsg());
+        if (!$stmt->execute()) {
+            throw new Exception('While executing domainlist statement: ' . $db->lastErrorMsg());
         }
 
         $reload = true;
         return JSON_success();
-    }
-    catch (\Exception $ex)
-    {
+    } catch (\Exception $ex) {
         return JSON_error($ex->getMessage());
     }
-}
-elseif($_POST['action'] == 'get_adlists')
-{
+} elseif ($_POST['action'] == 'get_adlists') {
     // List all available groups
-    try
-    {
+    try {
         $query = $db->query('SELECT * FROM adlist;');
-        if(!$query)
-        {
-            throw new Exception('Error while querying gravity\'s adlist table: '.$db->lastErrorMsg());
+        if (!$query) {
+            throw new Exception('Error while querying gravity\'s adlist table: ' . $db->lastErrorMsg());
         }
 
         $data = array();
-        while(($res = $query->fetchArray(SQLITE3_ASSOC)) !== false)
-        {
-            $group_query = $db->query('SELECT group_id FROM adlist_by_group WHERE adlist_id = '.$res['id'].';');
-            if(!$group_query)
-            {
-                throw new Exception('Error while querying gravity\'s adlist_by_group table: '.$db->lastErrorMsg());
+        while (($res = $query->fetchArray(SQLITE3_ASSOC)) !== false) {
+            $group_query = $db->query('SELECT group_id FROM adlist_by_group WHERE adlist_id = ' . $res['id'] . ';');
+            if (!$group_query) {
+                throw new Exception('Error while querying gravity\'s adlist_by_group table: ' . $db->lastErrorMsg());
             }
     
             $groups = array();
-            while($gres = $group_query->fetchArray(SQLITE3_ASSOC))
-            {
-                array_push($groups,$gres['group_id']);
+            while ($gres = $group_query->fetchArray(SQLITE3_ASSOC)) {
+                array_push($groups, $gres['group_id']);
             }
             $res['groups'] = $groups;
-            array_push($data,$res);
+            array_push($data, $res);
         }
 
 
         echo json_encode(array('data' => $data));
-    }
-    catch (\Exception $ex)
-    {
+    } catch (\Exception $ex) {
         return JSON_error($ex->getMessage());
     }
-}
-elseif($_POST['action'] == 'add_adlist')
-{
+} elseif ($_POST['action'] == 'add_adlist') {
     // Add new adlist
-    try
-    {
+    try {
         $stmt = $db->prepare('INSERT INTO adlist (address,comment) VALUES (:address,:comment)');
-        if(!$stmt)
-        {
-            throw new Exception('While preparing statement: '.$db->lastErrorMsg());
+        if (!$stmt) {
+            throw new Exception('While preparing statement: ' . $db->lastErrorMsg());
         }
 
-        if(!$stmt->bindValue(':address', $_POST['address'], SQLITE3_TEXT))
-        {
-            throw new Exception('While binding address: '.$db->lastErrorMsg());
+        if (!$stmt->bindValue(':address', $_POST['address'], SQLITE3_TEXT)) {
+            throw new Exception('While binding address: ' . $db->lastErrorMsg());
         }
 
-        if(!$stmt->bindValue(':comment', $_POST['comment'], SQLITE3_TEXT))
-        {
-            throw new Exception('While binding comment: '.$db->lastErrorMsg());
+        if (!$stmt->bindValue(':comment', $_POST['comment'], SQLITE3_TEXT)) {
+            throw new Exception('While binding comment: ' . $db->lastErrorMsg());
         }
 
-        if(!$stmt->execute())
-        {
-            throw new Exception('While executing: '.$db->lastErrorMsg());
+        if (!$stmt->execute()) {
+            throw new Exception('While executing: ' . $db->lastErrorMsg());
         }
 
         $reload = true;
         return JSON_success();
-    }
-    catch (\Exception $ex)
-    {
+    } catch (\Exception $ex) {
         return JSON_error($ex->getMessage());
     }
-}
-elseif($_POST['action'] == 'edit_adlist')
-{
+} elseif ($_POST['action'] == 'edit_adlist') {
     // Edit adlist identified by ID
-    try
-    {
+    try {
         $stmt = $db->prepare('UPDATE adlist SET enabled=:enabled, comment=:comment WHERE id = :id');
-        if(!$stmt)
-        {
-            throw new Exception('While preparing statement: '.$db->lastErrorMsg());
+        if (!$stmt) {
+            throw new Exception('While preparing statement: ' . $db->lastErrorMsg());
         }
 
         $status = intval($_POST['status']);
-        if($status !== 0)
-        {
+        if ($status !== 0) {
                 $status = 1;
         }
     
-        if(!$stmt->bindValue(':enabled', $status, SQLITE3_INTEGER))
-        {
-            throw new Exception('While binding enabled: '.$db->lastErrorMsg());
+        if (!$stmt->bindValue(':enabled', $status, SQLITE3_INTEGER)) {
+            throw new Exception('While binding enabled: ' . $db->lastErrorMsg());
         }
 
         $comment = $_POST['comment'];
-        if(strlen($comment) == 0)
-        {
+        if (strlen($comment) == 0) {
                 // Store NULL in database for empty comments
                 $comment = null;
         }
-        if(!$stmt->bindValue(':comment', $comment, SQLITE3_TEXT))
-        {
-            throw new Exception('While binding comment: '.$db->lastErrorMsg());
+        if (!$stmt->bindValue(':comment', $comment, SQLITE3_TEXT)) {
+            throw new Exception('While binding comment: ' . $db->lastErrorMsg());
         }
 
-        if(!$stmt->bindValue(':id', intval($_POST['id']), SQLITE3_INTEGER))
-        {
-            throw new Exception('While binding id: '.$db->lastErrorMsg());
+        if (!$stmt->bindValue(':id', intval($_POST['id']), SQLITE3_INTEGER)) {
+            throw new Exception('While binding id: ' . $db->lastErrorMsg());
         }
 
-        if(!$stmt->execute())
-        {
-            throw new Exception('While executing: '.$db->lastErrorMsg());
+        if (!$stmt->execute()) {
+            throw new Exception('While executing: ' . $db->lastErrorMsg());
         }
 
         $stmt = $db->prepare('DELETE FROM adlist_by_group WHERE adlist_id = :id');
-        if(!$stmt)
-        {
-            throw new Exception('While preparing DELETE statement: '.$db->lastErrorMsg());
+        if (!$stmt) {
+            throw new Exception('While preparing DELETE statement: ' . $db->lastErrorMsg());
         }
 
-        if(!$stmt->bindValue(':id', intval($_POST['id']), SQLITE3_INTEGER))
-        {
-            throw new Exception('While binding id: '.$db->lastErrorMsg());
+        if (!$stmt->bindValue(':id', intval($_POST['id']), SQLITE3_INTEGER)) {
+            throw new Exception('While binding id: ' . $db->lastErrorMsg());
         }
 
-        if(!$stmt->execute())
-        {
-            throw new Exception('While executing DELETE statement: '.$db->lastErrorMsg());
+        if (!$stmt->execute()) {
+            throw new Exception('While executing DELETE statement: ' . $db->lastErrorMsg());
         }
         
         $db->query('BEGIN TRANSACTION;');
-        foreach ($_POST['groups'] as $gid)
-        {
+        foreach ($_POST['groups'] as $gid) {
             $stmt = $db->prepare('INSERT INTO adlist_by_group (adlist_id,group_id) VALUES(:id,:gid);');
-            if(!$stmt)
-            {
-                throw new Exception('While preparing INSERT INTO statement: '.$db->lastErrorMsg());
+            if (!$stmt) {
+                throw new Exception('While preparing INSERT INTO statement: ' . $db->lastErrorMsg());
             }
     
-            if(!$stmt->bindValue(':id', intval($_POST['id']), SQLITE3_INTEGER))
-            {
-                throw new Exception('While binding id: '.$db->lastErrorMsg());
+            if (!$stmt->bindValue(':id', intval($_POST['id']), SQLITE3_INTEGER)) {
+                throw new Exception('While binding id: ' . $db->lastErrorMsg());
             }
     
-            if(!$stmt->bindValue(':gid', intval($gid), SQLITE3_INTEGER))
-            {
-                throw new Exception('While binding gid: '.$db->lastErrorMsg());
+            if (!$stmt->bindValue(':gid', intval($gid), SQLITE3_INTEGER)) {
+                throw new Exception('While binding gid: ' . $db->lastErrorMsg());
             }
     
-            if(!$stmt->execute())
-            {
-                throw new Exception('While executing INSERT INTO statement: '.$db->lastErrorMsg());
+            if (!$stmt->execute()) {
+                throw new Exception('While executing INSERT INTO statement: ' . $db->lastErrorMsg());
             }
         }
         $db->query('COMMIT;');
 
         $reload = true;
         return JSON_success();
-    }
-    catch (\Exception $ex)
-    {
+    } catch (\Exception $ex) {
         return JSON_error($ex->getMessage());
     }
-}
-elseif($_POST['action'] == 'delete_adlist')
-{
+} elseif ($_POST['action'] == 'delete_adlist') {
     // Delete adlist identified by ID
-    try
-    {
+    try {
         $stmt = $db->prepare('DELETE FROM adlist_by_group WHERE adlist_id=:id');
-        if(!$stmt)
-        {
-            throw new Exception('While preparing adlist_by_group statement: '.$db->lastErrorMsg());
+        if (!$stmt) {
+            throw new Exception('While preparing adlist_by_group statement: ' . $db->lastErrorMsg());
         }
 
-        if(!$stmt->bindValue(':id', intval($_POST['id']), SQLITE3_INTEGER))
-        {
-            throw new Exception('While binding id to adlist_by_group statement: '.$db->lastErrorMsg());
+        if (!$stmt->bindValue(':id', intval($_POST['id']), SQLITE3_INTEGER)) {
+            throw new Exception('While binding id to adlist_by_group statement: ' . $db->lastErrorMsg());
         }
 
-        if(!$stmt->execute())
-        {
-            throw new Exception('While executing adlist_by_group statement: '.$db->lastErrorMsg());
+        if (!$stmt->execute()) {
+            throw new Exception('While executing adlist_by_group statement: ' . $db->lastErrorMsg());
         }
 
         $stmt = $db->prepare('DELETE FROM adlist WHERE id=:id');
-        if(!$stmt)
-        {
-            throw new Exception('While preparing adlist statement: '.$db->lastErrorMsg());
+        if (!$stmt) {
+            throw new Exception('While preparing adlist statement: ' . $db->lastErrorMsg());
         }
 
-        if(!$stmt->bindValue(':id', intval($_POST['id']), SQLITE3_INTEGER))
-        {
-            throw new Exception('While binding id to adlist statement: '.$db->lastErrorMsg());
+        if (!$stmt->bindValue(':id', intval($_POST['id']), SQLITE3_INTEGER)) {
+            throw new Exception('While binding id to adlist statement: ' . $db->lastErrorMsg());
         }
 
-        if(!$stmt->execute())
-        {
-            throw new Exception('While executing adlist statement: '.$db->lastErrorMsg());
+        if (!$stmt->execute()) {
+            throw new Exception('While executing adlist statement: ' . $db->lastErrorMsg());
         }
 
         $reload = true;
         return JSON_success();
-    }
-    catch (\Exception $ex)
-    {
+    } catch (\Exception $ex) {
         return JSON_error($ex->getMessage());
     }
-}
-else
-{
+} else {
     log_and_die('Requested action not supported!');
 }
 // Reload lists in pihole-FTL after having added something
-if($reload)
-{
+if ($reload) {
     echo shell_exec('sudo pihole restartdns reload-lists');
 }
-?>