refactor: cleanup Exceptions

Author: paulbalandan

system/Debug/BaseExceptionHandler.php

@@ -13,10 +13,6 @@
 
 namespace CodeIgniter\Debug;
 
-use CodeIgniter\HTTP\CLIRequest;
-use CodeIgniter\HTTP\IncomingRequest;
-use CodeIgniter\HTTP\RequestInterface;
-use CodeIgniter\HTTP\ResponseInterface;
 use Config\Exceptions as ExceptionsConfig;
 use Throwable;
 
@@ -53,21 +49,6 @@ public function __construct(ExceptionsConfig $config)
         }
     }
 
-    /**
-     * The main entry point into the handler.
-     *
-     * @param CLIRequest|IncomingRequest $request
-     *
-     * @return void
-     */
-    abstract public function handle(
-        Throwable $exception,
-        RequestInterface $request,
-        ResponseInterface $response,
-        int $statusCode,
-        int $exitCode,
-    );
-
     /**
      * Gathers the variables that will be made available to the view.
      */
@@ -76,7 +57,7 @@ protected function collectVars(Throwable $exception, int $statusCode): array
         // Get the first exception.
         $firstException = $exception;
 
-        while ($prevException = $firstException->getPrevious()) {
+        while (($prevException = $firstException->getPrevious()) !== null) {
             $firstException = $prevException;
         }
 
@@ -110,17 +91,18 @@ protected function maskSensitiveData(array $trace, array $keysToMask, string $pa
     }
 
     /**
-     * @param array|object $args
+     * @param array<string, mixed>|object $args
+     * @param array<int, string>          $keysToMask
      *
-     * @return array|object
+     * @return array<string, mixed>|object
      */
-    private function maskData($args, array $keysToMask, string $path = '')
+    private function maskData(array|object $args, array $keysToMask, string $path = ''): array|object
     {
-        foreach ($keysToMask as $keyToMask) {
-            $explode = explode('/', $keyToMask);
+        foreach ($keysToMask as $key) {
+            $explode = explode('/', $key);
             $index   = end($explode);
 
-            if (str_starts_with(strrev($path . '/' . $index), strrev($keyToMask))) {
+            if (str_starts_with(strrev($path . '/' . $index), strrev($key))) {
                 if (is_array($args) && array_key_exists($index, $args)) {
                     $args[$index] = '******************';
                 } elseif (
@@ -136,7 +118,7 @@ private function maskData($args, array $keysToMask, string $path = '')
             foreach ($args as $pathKey => $subarray) {
                 $args[$pathKey] = $this->maskData($subarray, $keysToMask, $path . '/' . $pathKey);
             }
-        } elseif (is_object($args)) {
+        } else {
             foreach ($args as $pathKey => $subarray) {
                 $args->{$pathKey} = $this->maskData($subarray, $keysToMask, $path . '/' . $pathKey);
             }

system/Debug/ExceptionHandler.php

@@ -95,9 +95,7 @@ public function handle(
                 $this->respond($data, $statusCode)->send();
 
                 if (ENVIRONMENT !== 'testing') {
-                    // @codeCoverageIgnoreStart
-                    exit($exitCode);
-                    // @codeCoverageIgnoreEnd
+                    exit($exitCode); // @codeCoverageIgnore
                 }
 
                 return;
@@ -126,9 +124,7 @@ public function handle(
         $this->render($exception, $statusCode, $viewFile);
 
         if (ENVIRONMENT !== 'testing') {
-            // @codeCoverageIgnoreStart
-            exit($exitCode);
-            // @codeCoverageIgnoreEnd
+            exit($exitCode); // @codeCoverageIgnore
         }
     }