diff --git a/dabestaniha-authenticate-bridge.php b/dabestaniha-authenticate-bridge.php
index 5c425a5..aa01930 100644
--- a/dabestaniha-authenticate-bridge.php
+++ b/dabestaniha-authenticate-bridge.php
@@ -3,8 +3,8 @@
 /**
  * Plugin Name: Mahak Authenticate Bridge
  * Description: Authenticate WordPress user via json web token from Mahakiha Application.
- * Version: 1.0
- * Requires PHP: 8.0
+ * Version: 2.0
+ * Requires PHP: 7.4
  * Author: Dabestaniha
  *
  * Example: https://wordpress.test/mahak/login/?token=eyJ0...
@@ -29,4 +29,4 @@ add_action('init', fn() => AuthenticateController::resolve());
 add_action('admin_menu', fn() => SettingsPageMenuController::resolve());
 add_action('admin_init', fn() => SettingsPageFormController::resolve());
 
-echo true;
\ No newline at end of file
+echo true;
diff --git a/src/app/Http/Requests/BaseFormRequest.php b/src/app/Http/Requests/BaseFormRequest.php
index 58f30b8..7a075a9 100644
--- a/src/app/Http/Requests/BaseFormRequest.php
+++ b/src/app/Http/Requests/BaseFormRequest.php
@@ -6,7 +6,7 @@ use Dabestaniha\AuthenticateBridge\App\Support\Collection;
 
 abstract class BaseFormRequest
 {
-    public static function make(): static
+    public static function make(): self
     {
         return new static();
     }
@@ -58,11 +58,14 @@ abstract class BaseFormRequest
 
     protected function validateValue($value, $rule): bool
     {
-        return match ($rule) {
-            'required' => !empty($value),
-            'nullable' => true,
-            default => false,
-        };
+        switch ($rule) {
+            case 'required':
+                return !empty($value);
+            case 'nullable':
+                return true;
+            default:
+                return false;
+        }
     }
 
 
diff --git a/src/app/Support/Collection.php b/src/app/Support/Collection.php
index 0d578ed..7a88152 100644
--- a/src/app/Support/Collection.php
+++ b/src/app/Support/Collection.php
@@ -4,18 +4,20 @@ namespace Dabestaniha\AuthenticateBridge\App\Support;
 
 class Collection
 {
-    public static function make(array $items): static
+    public static function make(array $items): self
     {
         return new static($items);
     }
 
-    public function __construct(private array $items)
+    private array $items;
+
+    public function __construct(array $items)
     {
-        //
+        $this->items = $items;
     }
 
     public function get(string $key, $default = null)
     {
         return $this->items[$key] ?? $default;
     }
-}
\ No newline at end of file
+}
diff --git a/src/app/Support/JwtDecoder.php b/src/app/Support/JwtDecoder.php
index 46da01b..b6f9e25 100644
--- a/src/app/Support/JwtDecoder.php
+++ b/src/app/Support/JwtDecoder.php
@@ -81,7 +81,7 @@ final class JwtDecoder
         return self::objectToArray($decoded);
     }
 
-    private static function objectToArray(mixed $value): mixed
+    private static function objectToArray($value)
     {
         if ($value instanceof stdClass) {
             $items = [];
@@ -119,7 +119,7 @@ final class JwtDecoder
         }
     }
 
-    private static function numericDate(mixed $value, string $claim): int
+    private static function numericDate($value, string $claim): int
     {
         if (is_int($value) || is_float($value)) {
             return (int) $value;
diff --git a/src/helpers.php b/src/helpers.php
index 1b0a27e..c335b16 100644
--- a/src/helpers.php
+++ b/src/helpers.php
@@ -9,7 +9,7 @@ if (!function_exists('view')) {
 }
 
 if (!function_exists('dd')) {
-    function dd(): never
+    function dd(): void
     {
         echo '<pre>';
         array_map(function ($arg) {
@@ -32,7 +32,7 @@ function setup_configs(): void
 setup_configs();
 
 if (!function_exists('config')) {
-    function config(string $key, ?string $default = null): null|string|array
+    function config(string $key, ?string $default = null)
     {
         $value = MAHAK_CASHED_CONFIG;
         foreach (explode('.', $key) as $key) {
@@ -44,7 +44,7 @@ if (!function_exists('config')) {
 
 
 if (!function_exists('get_configured_option')) {
-    function get_configured_option(string $key, ?string $default = null): null|string|array
+    function get_configured_option(string $key, ?string $default = null)
     {
         return get_option(config("mahak.options.$key"), $default);
     }