<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Runtime\Internal;

use Symfony\Component\ErrorHandler\BufferingLogger;
use Symfony\Component\ErrorHandler\DebugClassLoader;
use Symfony\Component\ErrorHandler\ErrorHandler;

/**
 * @author Nicolas Grekas <p@tchwork.com>
 *
 * @internal
 */
class SymfonyErrorHandler
{
    public static function register(bool $debug): void
    {
        BasicErrorHandler::register($debug);

        if (class_exists(ErrorHandler::class)) {
            DebugClassLoader::enable();
            restore_error_handler();
            ErrorHandler::register(new ErrorHandler(new BufferingLogger(), $debug));
        }
    }
}

<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Runtime\Internal;

use Symfony\Component\ErrorHandler\BufferingLogger;
use Symfony\Component\ErrorHandler\DebugClassLoader;
use Symfony\Component\ErrorHandler\ErrorHandler;

/**
 * @author Nicolas Grekas <p@tchwork.com>
 *
 * @internal
 */
class SymfonyErrorHandler
{
    public static function register(bool $debug): void
    {
        BasicErrorHandler::register($debug);

        if (class_exists(ErrorHandler::class)) {
            DebugClassLoader::enable();
            restore_error_handler();
            ErrorHandler::register(new ErrorHandler(new BufferingLogger(), true));
        }
    }
}

--- 
+++ 
@@ -29,7 +29,7 @@
         if (class_exists(ErrorHandler::class)) {
             DebugClassLoader::enable();
             restore_error_handler();
-            ErrorHandler::register(new ErrorHandler(new BufferingLogger(), true));
+            ErrorHandler::register(new ErrorHandler(new BufferingLogger(), $debug));
         }
     }
 }
[Runtime] Fix passing $debug parameter to `ErrorHandler`