diff --git a/src/CountryLoader.php b/src/CountryLoader.php
index 61cdfde74d20e1eec4ba058570d2fc3a221c1fbf..96bb21c93ceb9179dbc18c4abf2b98af221e276a 100644
--- a/src/CountryLoader.php
+++ b/src/CountryLoader.php
@@ -54,7 +54,7 @@ public static function countries($longlist = false, $hydrate = false)
             static::$countries[$list] = json_decode(static::getFile(__DIR__.'/../resources/data/'.$list.'.json'), true);
         }
 
-        return $hydrate ? array_map(fn($country): Country => new Country($country), static::$countries[$list]) : static::$countries[$list];
+        return $hydrate ? array_map(fn ($country): Country => new Country($country), static::$countries[$list]) : static::$countries[$list];
     }
 
     /**
@@ -94,9 +94,9 @@ protected static function operatorForWhere($key, $operator, mixed $value)
             switch ($operator) {
                 default:
                 case '=':
-                case '==':  return $retrieved == $value;
+                case '==':  return $retrieved === $value;
                 case '!=':
-                case '<>':  return $retrieved != $value;
+                case '<>':  return $retrieved !== $value;
                 case '<':   return $retrieved < $value;
                 case '>':   return $retrieved > $value;
                 case '<=':  return $retrieved <= $value;
@@ -222,7 +222,7 @@ protected static function collapse($array): array
      *
      * @return string
      */
-    protected static function getFile($filePath): string | false
+    protected static function getFile($filePath): string|false
     {
         if (! file_exists($filePath)) {
             throw CountryLoaderException::invalidCountry();
diff --git a/src/Providers/CountryServiceProvider.php b/src/Providers/CountryServiceProvider.php
index bc846cbc4f7afc2b1b7f6bde6c099173fd4d8aef..a44d3648772daaf7f2a25b5365618dc22a32a2aa 100644
--- a/src/Providers/CountryServiceProvider.php
+++ b/src/Providers/CountryServiceProvider.php
@@ -15,9 +15,9 @@ class CountryServiceProvider extends ServiceProvider
     public function boot(): void
     {
         // Add country validation rule
-        Validator::extend('country', fn($attribute, $value): bool => is_string($value) && mb_strlen($value) === 2 && array_key_exists(mb_strtolower($value), countries()), __('validation.invalid_country'));
+        Validator::extend('country', fn ($attribute, $value): bool => is_string($value) && mb_strlen($value) === 2 && array_key_exists(mb_strtolower($value), countries()), __('validation.invalid_country'));
 
         // Add currency validation rule
-        Validator::extend('currency', fn($attribute, $value): bool => is_string($value) && mb_strlen($value) === 3 && array_key_exists(mb_strtoupper($value), currencies()), __('validation.invalid_currency'));
+        Validator::extend('currency', fn ($attribute, $value): bool => is_string($value) && mb_strlen($value) === 3 && array_key_exists(mb_strtoupper($value), currencies()), __('validation.invalid_currency'));
     }
 }
diff --git a/src/helpers.php b/src/helpers.php
index 72a2802c0dd567c539ced781794d249b1c650ac6..a351e0bfc6ead4ec1f901cd9d55ec8b9ff67cb26 100644
--- a/src/helpers.php
+++ b/src/helpers.php
@@ -2,7 +2,6 @@
 
 declare(strict_types=1);
 use Rinvex\Country\Country;
-
 use Rinvex\Country\CountryLoader;
 use Rinvex\Country\CurrencyLoader;
 
diff --git a/tests/Unit/CountryLoaderTest.php b/tests/Unit/CountryLoaderTest.php
index f207ab0dc82347ffc72db074411ed04b359f2f2c..ffc9dcfabfd06556fe4f874d41fc0cb833c37baf 100644
--- a/tests/Unit/CountryLoaderTest.php
+++ b/tests/Unit/CountryLoaderTest.php
@@ -208,13 +208,13 @@ public function it_throws_an_exception_when_invalid_country(): void
     public function it_filters_data(): void
     {
         $array1 = [['id' => 1, 'name' => 'Hello'], ['id' => 2, 'name' => 'World']];
-        $this->assertEquals([1 => ['id' => 2, 'name' => 'World']], self::$methods['filter']->invoke(null, $array1, fn($item): bool => $item['id'] === 2));
+        $this->assertEquals([1 => ['id' => 2, 'name' => 'World']], self::$methods['filter']->invoke(null, $array1, fn ($item): bool => $item['id'] === 2));
 
         $array2 = ['', 'Hello', '', 'World'];
         $this->assertEquals(['Hello', 'World'], array_values(self::$methods['filter']->invoke(null, $array2)));
 
         $array3 = ['id' => 1, 'first' => 'Hello', 'second' => 'World'];
-        $this->assertEquals(['first' => 'Hello', 'second' => 'World'], self::$methods['filter']->invoke(null, $array3, fn($item, $key): bool => $key !== 'id'));
+        $this->assertEquals(['first' => 'Hello', 'second' => 'World'], self::$methods['filter']->invoke(null, $array3, fn ($item, $key): bool => $key !== 'id'));
     }
 
     #[Test]
@@ -227,7 +227,7 @@ public function it_gets_data(): void
         $this->assertEquals('Taylor', self::$methods['get']->invoke(null, $array, '0.users.0.name'));
         $this->assertNull(self::$methods['get']->invoke(null, $array, '0.users.3'));
         $this->assertEquals('Not found', self::$methods['get']->invoke(null, $array, '0.users.3', 'Not found'));
-        $this->assertEquals('Not found', self::$methods['get']->invoke(null, $array, '0.users.3', fn(): string => 'Not found'));
+        $this->assertEquals('Not found', self::$methods['get']->invoke(null, $array, '0.users.3', fn (): string => 'Not found'));
         $this->assertEquals('Taylor', self::$methods['get']->invoke(null, $dottedArray, ['users', 'first.name']));
         $this->assertNull(self::$methods['get']->invoke(null, $dottedArray, ['users', 'middle.name']));
         $this->assertEquals('Not found', self::$methods['get']->invoke(null, $dottedArray, ['users', 'last.name'], 'Not found'));