fix

Author: vjik

src/ErrorHandler.php

@@ -192,6 +192,9 @@ private function initializeOnce(): void
         });
 
         if (!(PHP_SAPI === 'cli' || PHP_SAPI === 'phpdbg')) {
+            /**
+             * @var string
+             */
             $this->workingDirectory = getcwd();
         }
 

src/Exception/ErrorException.php

@@ -11,6 +11,7 @@
 use function array_slice;
 use function in_array;
 use function function_exists;
+use function ini_get;
 
 /**
  * `ErrorException` represents a PHP error.
@@ -40,7 +41,7 @@ class ErrorException extends \ErrorException implements FriendlyExceptionInterfa
     ];
 
     /** @psalm-param DebugBacktraceType $backtrace */
-    public function __construct(string $message = '', int $code = 0, int $severity = 1, string $filename = __FILE__, int $line = __LINE__, Exception $previous = null, private readonly array $backtrace = [])
+    public function __construct(string $message = '', int $code = 0, int $severity = 1, string $filename = __FILE__, int $line = __LINE__, ?Exception $previous = null, private readonly array $backtrace = [])
     {
         parent::__construct($message, $code, $severity, $filename, $line, $previous);
         $this->addXDebugTraceToFatalIfAvailable();
@@ -149,6 +150,6 @@ private function isXdebugStackAvailable(): bool
         }
 
         // Xdebug 3 and later, proper mode is required
-        return str_contains(ini_get('xdebug.mode'), 'develop');
+        return str_contains((string) ini_get('xdebug.mode'), 'develop');
     }
 }

src/Renderer/HtmlRenderer.php

@@ -530,7 +530,7 @@ private function renderTemplate(string $path, array $parameters): string
         try {
             /** @psalm-suppress PossiblyNullFunctionCall */
             $renderer->bindTo($this)($path, $parameters);
-            return ob_get_clean();
+            return (string) ob_get_clean();
         } catch (Throwable $e) {
             while (ob_get_level() > $obInitialLevel) {
                 if (!@ob_end_clean()) {

src/Renderer/JsonRenderer.php

@@ -40,7 +40,7 @@ public function renderVerbose(Throwable $t, ?ServerRequestInterface $request = n
                     'line' => $t->getLine(),
                     'trace' => $t->getTrace(),
                 ],
-                JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES | JSON_INVALID_UTF8_SUBSTITUTE | JSON_PARTIAL_OUTPUT_ON_ERROR
+                JSON_THROW_ON_ERROR | JSON_PRETTY_PRINT | JSON_UNESCAPED_SLASHES | JSON_INVALID_UTF8_SUBSTITUTE | JSON_PARTIAL_OUTPUT_ON_ERROR
             )
         );
     }

tests/Renderer/HtmlRendererTest.php

@@ -7,6 +7,7 @@
 use Exception;
 use HttpSoft\Message\Uri;
 use PHPUnit\Framework\Attributes\DataProvider;
+use PHPUnit\Framework\Attributes\WithoutErrorHandler;
 use PHPUnit\Framework\TestCase;
 use Psr\Http\Message\ServerRequestInterface;
 use ReflectionClass;
@@ -131,9 +132,16 @@ public function testRenderCallStack(): void
         );
     }
 
+    #[WithoutErrorHandler]
     public function testRenderCallStackItemIfFileIsNotExistAndLineMoreZero(): void
     {
-        $this->assertEmpty($this->invokeMethod(new HtmlRenderer(), 'renderCallStackItem', [
+        $errorMessage = null;
+        set_error_handler(
+            static function (int $code, string $message) use (&$errorMessage) {
+                $errorMessage = $message;
+            }
+        );
+        $result = $this->invokeMethod(new HtmlRenderer(), 'renderCallStackItem', [
             'file' => 'not-exist',
             'line' => 1,
             'class' => null,
@@ -142,7 +150,11 @@ public function testRenderCallStackItemIfFileIsNotExistAndLineMoreZero(): void
             'index' => 1,
             'isVendorFile' => false,
             'reflectionParameters' => [],
-        ]));
+        ]);
+        restore_error_handler();
+
+        $this->assertSame('', $result);
+        $this->assertSame('file(not-exist): Failed to open stream: No such file or directory', $errorMessage);
     }
 
     public function testRenderRequest(): void