cs-fix and fixing static analysis problems

Author: patel-vansh

system/Common.php

@@ -217,8 +217,6 @@ function config(string $name, bool $getShared = true)
     /**
      * Provides access to the Context object, which is used to store
      * contextual data during a request that can be accessed globally.
-     *
-     * @return Context
      */
     function context(): Context
     {

system/Context/Context.php

@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 /**
  * This file is part of CodeIgniter 4 framework.
  *
@@ -104,7 +106,7 @@ public function getOnly(array|string $keys): array
             $keys = [$keys];
         }
 
-        return array_filter($this->data, static fn ($k) => in_array($k, $keys, true), ARRAY_FILTER_USE_KEY);
+        return array_filter($this->data, static fn ($k): bool => in_array($k, $keys, true), ARRAY_FILTER_USE_KEY);
     }
 
     /**
@@ -120,7 +122,7 @@ public function getExcept(array|string $keys): array
             $keys = [$keys];
         }
 
-        return array_filter($this->data, static fn ($k) => ! in_array($k, $keys, true), ARRAY_FILTER_USE_KEY);
+        return array_filter($this->data, static fn ($k): bool => ! in_array($k, $keys, true), ARRAY_FILTER_USE_KEY);
     }
 
     /**
@@ -159,7 +161,7 @@ public function getOnlyHidden(array|string $keys): array
             $keys = [$keys];
         }
 
-        return array_filter($this->hiddenData, static fn ($k) => in_array($k, $keys, true), ARRAY_FILTER_USE_KEY);
+        return array_filter($this->hiddenData, static fn ($k): bool => in_array($k, $keys, true), ARRAY_FILTER_USE_KEY);
     }
 
     /**
@@ -175,7 +177,7 @@ public function getExceptHidden(array|string $keys): array
             $keys = [$keys];
         }
 
-        return array_filter($this->hiddenData, static fn ($k) => ! in_array($k, $keys, true), ARRAY_FILTER_USE_KEY);
+        return array_filter($this->hiddenData, static fn ($k): bool => ! in_array($k, $keys, true), ARRAY_FILTER_USE_KEY);
     }
 
     /**

tests/system/Context/ContextTest.php

@@ -1,5 +1,7 @@
 <?php
 
+declare(strict_types=1);
+
 /**
  * This file is part of CodeIgniter 4 framework.
  *

user_guide_src/source/general/context/001.php

@@ -1,4 +1,3 @@
 <?php
 
 $context = service('context');
-

user_guide_src/source/general/context/002.php

@@ -1,4 +1,3 @@
 <?php
 
 $context->set('user_id', 123);
-

user_guide_src/source/general/context/003.php

@@ -6,4 +6,3 @@
     'request_id'     => 'req_abc123',
     'correlation_id' => 'corr_xyz789',
 ]);
-

user_guide_src/source/general/context/004.php

@@ -3,4 +3,3 @@
 $context->set('user_id', 123)
     ->set('username', 'john_doe')
     ->set('request_id', 'req_abc123');
-

user_guide_src/source/general/context/005.php

@@ -2,4 +2,3 @@
 
 $userId = $context->get('user_id');
 // $userId = 123
-

user_guide_src/source/general/context/006.php

@@ -2,4 +2,3 @@
 
 $role = $context->get('user_role', 'guest');
 // If 'user_role' doesn't exist, $role will be 'guest'
-

user_guide_src/source/general/context/007.php

@@ -2,4 +2,3 @@
 
 $allData = $context->getAll();
 // Returns: ['user_id' => 123, 'username' => 'john_doe', ...]
-