symfony
diff --git a/‎src/Symfony/Bundle/FrameworkBundle/FrameworkBundle.php
Copy file name to clipboardExpand all lines: src/Symfony/Bundle/FrameworkBundle/FrameworkBundle.php
+10-1Lines changed: 10 additions & 1 deletion b/‎src/Symfony/Bundle/FrameworkBundle/FrameworkBundle.php
Copy file name to clipboardExpand all lines: src/Symfony/Bundle/FrameworkBundle/FrameworkBundle.php
+10-1Lines changed: 10 additions & 1 deletion
diff --git a/‎src/Symfony/Component/Console/Application.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/Console/Application.php
+2-2Lines changed: 2 additions & 2 deletions b/‎src/Symfony/Component/Console/Application.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/Console/Application.php
+2-2Lines changed: 2 additions & 2 deletions
diff --git a/‎src/Symfony/Component/HttpKernel/EventListener/DebugHandlersListener.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/HttpKernel/EventListener/DebugHandlersListener.php
+2-2Lines changed: 2 additions & 2 deletions b/‎src/Symfony/Component/HttpKernel/EventListener/DebugHandlersListener.php
Copy file name to clipboardExpand all lines: src/Symfony/Component/HttpKernel/EventListener/DebugHandlersListener.php
+2-2Lines changed: 2 additions & 2 deletions
@@ -91,7 +91,16 @@ class FrameworkBundle extends Bundle
 {
     public function boot()
     {
-        ErrorHandler::register(null, false)->throwAt($this->container->getParameter('debug.error_handler.throw_at'), true);
+        if (class_exists(ErrorHandler::class, false)) {
+            $handler = set_error_handler('var_dump');
+            restore_error_handler();
+        } else {
+            $handler = ErrorHandler::register(null, false);
+        }
+
+        if (\is_array($handler) && $handler[0] instanceof ErrorHandler) {
+            $handler->throwAt($this->container->getParameter('debug.error_handler.throw_at'), true);
+        }
 
         if ($this->container->getParameter('kernel.http_method_override')) {
             Request::enableHttpMethodParameterOverride();
 
@@ -165,9 +165,9 @@ public function run(?InputInterface $input = null, ?OutputInterface $output = nu
             }
         }
 
-        $this->configureIO($input, $output);
-
         try {
+            $this->configureIO($input, $output);
+
             $exitCode = $this->doRun($input, $output);
         } catch (\Exception $e) {
             if (!$this->catchExceptions) {
 
@@ -57,7 +57,7 @@ public function __construct(?callable $exceptionHandler = null, ?LoggerInterface
             $deprecationLogger = $fileLinkFormat;
         }
 
-        $handler = set_exception_handler('is_int');
+        $handler = set_exception_handler('var_dump');
         $this->earlyHandler = \is_array($handler) ? $handler[0] : null;
         restore_exception_handler();
 
@@ -84,7 +84,7 @@ public function configure(?object $event = null)
         $this->firstCall = $this->hasTerminatedWithException = false;
         $hasRun = null;
 
-        $handler = set_exception_handler('is_int');
+        $handler = set_exception_handler('var_dump');
         $handler = \is_array($handler) ? $handler[0] : null;
         restore_exception_handler();
Original file line number	Diff line number	Diff line change
`@@ -165,9 +165,9 @@ public function run(?InputInterface $input = null, ?OutputInterface $output = nu`
`165`	`165`	`}`
`166`	`166`	`}`
`167`	`167`
`168`		`- $this->configureIO($input, $output);`
`169`		`-`
`170`	`168`	`try {`
	`169`	`+ $this->configureIO($input, $output);`
	`170`	`+`
`171`	`171`	`$exitCode = $this->doRun($input, $output);`
`172`	`172`	`} catch (\Exception $e) {`
`173`	`173`	`if (!$this->catchExceptions) {`