diff --git a/public/installer/index.php b/public/installer/index.php
index c95fcd3ff..d6f907276 100755
--- a/public/installer/index.php
+++ b/public/installer/index.php
@@ -1,150 +1,139 @@
 <?php
-    $actual_link = (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] === 'on' ? "https" : "http") . "://$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]";
+$actual_link = (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] === 'on' ? "https" : "http") . "://$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]";
 
-    $cssUrl = $actual_link .'/'. 'CSS/style.css';
-    $logo =  $actual_link .'/'. 'Images/logo.svg';
-    $jsURL = $actual_link .'/'. 'js/script.js';
+$cssUrl = $actual_link . '/' . 'CSS/style.css';
+$logo =  $actual_link . '/' . 'Images/logo.svg';
+$jsURL = $actual_link . '/' . 'js/script.js';
 ?>
+
 <!DOCTYPE html>
 <html>
-    <head>
-        <meta charset="utf-8">
-        <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
 
-        <title>Bagisto Installer</title>
+<head>
+    <meta charset="utf-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
 
-        <link rel="icon" sizes="16x16" href="Images/favicon.ico">
-        <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Montserrat:400,500">
+    <title>Bagisto Installer</title>
 
-        <!-- Latest compiled and minified CSS -->
-        <link rel="stylesheet" href="//stackpath.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css" integrity="sha384-Vkoo8x4CGsO3+Hhxv8T/Q5PaXtkKtu6ug5TOeNV6gBiFeWPGFN9MuhOf23Q9Ifjh" crossorigin="anonymous">
-        <link rel="stylesheet" href="//cdn.jsdelivr.net/npm/select2@4.0.13/dist/css/select2.min.css">
-        
-        <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.4.1/jquery.min.js" integrity="sha256-CSXorXvZcTkaix6Yvo6HppcZGetbYMGWSFlBw8HfCJo=" crossorigin="anonymous"></script>
-        <script src="//cdn.jsdelivr.net/npm/popper.js@1.16.0/dist/umd/popper.min.js" integrity="sha384-Q6E9RHvbIyZFJoft+2mJbHaEWldlvI9IOYy5n3zV9zzTtmI3UksdQRVvoxMfooAo" crossorigin="anonymous"></script>
-        <script src="//stackpath.bootstrapcdn.com/bootstrap/4.4.1/js/bootstrap.min.js" integrity="sha384-wfSDF2E50Y2D1uUdj0O3uMBJnjuUD4Ih7YwaYd1iqfktj0Uod8GCExl3Og8ifwB6" crossorigin="anonymous"></script>
+    <link rel="icon" sizes="16x16" href="Images/favicon.ico">
 
-        <script src="//cdnjs.cloudflare.com/ajax/libs/jquery-form-validator/2.3.26/jquery.form-validator.min.js"></script>
-        <script src="//cdn.jsdelivr.net/npm/select2@4.0.13/dist/js/select2.min.js"></script>
+    <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Montserrat:400,500">
+    <link rel="stylesheet" href="//stackpath.bootstrapcdn.com/bootstrap/4.4.1/css/bootstrap.min.css" integrity="sha384-Vkoo8x4CGsO3+Hhxv8T/Q5PaXtkKtu6ug5TOeNV6gBiFeWPGFN9MuhOf23Q9Ifjh" crossorigin="anonymous">
+    <link rel="stylesheet" href="//cdn.jsdelivr.net/npm/select2@4.0.13/dist/css/select2.min.css">
 
-        <link rel="stylesheet" type="text/css" href= "<?php echo $cssUrl; ?> ">
-    </head>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.4.1/jquery.min.js" integrity="sha256-CSXorXvZcTkaix6Yvo6HppcZGetbYMGWSFlBw8HfCJo=" crossorigin="anonymous"></script>
+    <script src="//cdn.jsdelivr.net/npm/popper.js@1.16.0/dist/umd/popper.min.js" integrity="sha384-Q6E9RHvbIyZFJoft+2mJbHaEWldlvI9IOYy5n3zV9zzTtmI3UksdQRVvoxMfooAo" crossorigin="anonymous"></script>
+    <script src="//stackpath.bootstrapcdn.com/bootstrap/4.4.1/js/bootstrap.min.js" integrity="sha384-wfSDF2E50Y2D1uUdj0O3uMBJnjuUD4Ih7YwaYd1iqfktj0Uod8GCExl3Og8ifwB6" crossorigin="anonymous"></script>
+    <script src="//cdnjs.cloudflare.com/ajax/libs/jquery-form-validator/2.3.26/jquery.form-validator.min.js"></script>
+    <script src="//cdn.jsdelivr.net/npm/select2@4.0.13/dist/js/select2.min.js"></script>
 
-    <body>
-        <div class="container">
-            <div class="initial-display">
-                <img class="logo" src= "<?php echo $logo; ?>" >
-            </div>
+    <link rel="stylesheet" type="text/css" href="<?php echo $cssUrl; ?>">
+</head>
+
+<body>
+    <div class="container">
+        <div class="initial-display">
+            <img class="logo" src="<?php echo $logo; ?>">
         </div>
+    </div>
 
-        <?php
-            // getting env file
-            $location = str_replace('\\', '/', getcwd());
-            $currentLocation = explode("/", $location);
-            array_pop($currentLocation);
-            array_pop($currentLocation);
-            $desiredLocation = implode("/", $currentLocation);
-            $envFile = $desiredLocation . '/' . '.env';
+    <?php
+    // getting env file
+    $location = str_replace('\\', '/', getcwd());
+    $currentLocation = explode("/", $location);
+    array_pop($currentLocation);
+    array_pop($currentLocation);
+    $desiredLocation = implode("/", $currentLocation);
+    $envFile = $desiredLocation . '/' . '.env';
 
-            $installed = false;
+    $installed = false;
 
-            if (file_exists($envFile)) {
+    if (file_exists($envFile)) {
 
-                // reading env content
-                $data = file($envFile);
-                $databaseArray = ['DB_HOST', 'DB_DATABASE', 'DB_USERNAME', 'DB_PASSWORD', 'DB_CONNECTION','DB_PORT', 'DB_PREFIX'];
-                $key = $value = [];
+        // reading env content
+        $data = file($envFile);
+        $databaseArray = ['DB_HOST', 'DB_DATABASE', 'DB_USERNAME', 'DB_PASSWORD', 'DB_CONNECTION', 'DB_PORT', 'DB_PREFIX'];
+        $key = $value = [];
 
-                if ($data) {
-                    foreach ($data as $line) {
-                        $line = preg_replace('/\s+/', '', $line);
-                        $rowValues = explode('=', $line);
+        if ($data) {
+            foreach ($data as $line) {
+                $line = preg_replace('/\s+/', '', $line);
+                $rowValues = explode('=', $line);
 
-                        if (strlen($line) !== 0) {
-                            if (in_array($rowValues[0], $databaseArray)) {
-                                $key[] = $rowValues[0];
-                                $value[] = $rowValues[1];
-                            }
-                        }
+                if (strlen($line) !== 0) {
+                    if (in_array($rowValues[0], $databaseArray)) {
+                        $key[] = $rowValues[0];
+                        $value[] = $rowValues[1];
                     }
                 }
+            }
+        }
 
-                $databaseData = array_combine($key, $value);
+        $databaseData = array_combine($key, $value);
 
-                if (isset($databaseData['DB_HOST'])) {
-                    $servername = $databaseData['DB_HOST'];
-                }
-                if (isset($databaseData['DB_USERNAME'])) {
-                    $username   = $databaseData['DB_USERNAME'];
-                }
-                if (isset($databaseData['DB_PASSWORD'])) {
-                    $password = $databaseData['DB_PASSWORD'];
-                }
-                if (isset($databaseData['DB_DATABASE'])) {
-                    $dbname = $databaseData['DB_DATABASE'];
-                }
-                if (isset($databaseData['DB_CONNECTION'])) {
-                    $connection = $databaseData['DB_CONNECTION'];
-                }
-                if (isset($databaseData['DB_PORT'])) {
-                    $port = $databaseData['DB_PORT'];
-                }
+        $servername = $databaseData['DB_HOST'] ?? '';
+        $username = $databaseData['DB_USERNAME'] ?? '';
+        $password = $databaseData['DB_PASSWORD'] ?? '';
+        $dbPrefix = $databaseData['DB_PREFIX'] ?? '';
+        $dbname = $databaseData['DB_DATABASE'] ?? '';
+        $port = $databaseData['DB_PORT'] ?? '';
+        $connection = $databaseData['DB_CONNECTION'] ?? '';
 
-                if (isset($connection) && $connection == 'mysql') {
-                    @$conn = new mysqli($servername, $username, $password, $dbname, (int)$port);
+        if (isset($connection) && $connection == 'mysql') {
+            @$conn = new mysqli($servername, $username, $password, $dbname, (int) $port);
 
-                    if (!$conn->connect_error) {
-                        // retrieving admin entry
-                        $prefix = $databaseData['DB_PREFIX'].'admins';
-                        $sql = "SELECT id, name FROM $prefix";
-                        $result = $conn->query($sql);
+            if (! $conn->connect_error) {
+                // retrieving admin entry
+                $prefix = $dbPrefix . 'admins';
+                $sql = "SELECT id, name FROM $prefix";
+                $result = $conn->query($sql);
 
-                        if ($result) {
-                            $installed = true;
-                        }
-                    }
-
-                    $conn->close();
-                } else {
+                if ($result) {
                     $installed = true;
                 }
             }
 
-            if (!$installed) {
+            $conn->close();
+        } else {
+            $installed = true;
+        }
+    }
 
-                // including classes
-                include __DIR__ . '/Classes/Requirement.php';
+    if (! $installed) {
+        // including classes
+        include __DIR__ . '/Classes/Requirement.php';
 
-                // including php files
-                include __DIR__ . '/Views/environment.blade.php';
-                include __DIR__ . '/Views/migration.blade.php';
-                include __DIR__ . '/Views/admin.blade.php';
-                include __DIR__ . '/Views/email.blade.php';
-                include __DIR__ . '/Views/finish.blade.php';
+        // including php files
+        include __DIR__ . '/Views/environment.blade.php';
+        include __DIR__ . '/Views/migration.blade.php';
+        include __DIR__ . '/Views/admin.blade.php';
+        include __DIR__ . '/Views/email.blade.php';
+        include __DIR__ . '/Views/finish.blade.php';
 
-                // object creation
-                $requirement = new Requirement();
-                echo $requirement->render();
-            } else {
-                // getting url
-                $actual_link = (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] === 'on' ? "https" : "http") . "://$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]";
+        // object creation
+        $requirement = new Requirement();
+        echo $requirement->render();
+    } else {
+        // getting url
+        $actual_link = (isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] === 'on' ? "https" : "http") . "://$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]";
 
-                $url = explode("/", $actual_link);
-                array_pop($url);
-                array_pop($url);
-                $url = implode("/", $url);
-                $url = $url . '/404';
+        $url = explode("/", $actual_link);
+        array_pop($url);
+        array_pop($url);
+        $url = implode("/", $url);
+        $url = $url . '/404';
 
-                // redirecting to 404 error page
-                header("Location: $url");
-            }
-        ?>
+        // redirecting to 404 error page
+        header("Location: $url");
+    }
+    ?>
 
-        <div style="margin-bottom: 5px; margin-top: 30px; text-align: center;">
-            <a href="https://bagisto.com/" target="_blank">Bagisto</a> a community project by <a href="https://webkul.com/" target="_blank">Webkul</a>
-        </div>
+    <div style="margin-bottom: 5px; margin-top: 30px; text-align: center;">
+        <a href="https://bagisto.com/" target="_blank">Bagisto</a> a community project by <a href="https://webkul.com/" target="_blank">Webkul</a>
+    </div>
 
-        <script src="<?php echo $jsURL; ?>" ></script>
-        
-    </body>
-</html>
+    <script src="<?php echo $jsURL; ?>"></script>
+
+</body>
+
+</html>
\ No newline at end of file
