[FrameworkBundle] Configure logger as error logger if the Monolog Bundle is not registered

Author: MatTheCat

DependencyInjection/Compiler/ErrorLoggerCompilerPass.php

@@ -0,0 +1,37 @@
+<?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\Bundle\FrameworkBundle\DependencyInjection\Compiler;
+
+use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\Reference;
+
+/**
+ * @internal
+ */
+class ErrorLoggerCompilerPass implements CompilerPassInterface
+{
+    public function process(ContainerBuilder $container)
+    {
+        if (!$container->hasDefinition('debug.debug_handlers_listener')) {
+            return;
+        }
+
+        $definition = $container->getDefinition('debug.debug_handlers_listener');
+        if ($container->hasDefinition('monolog.logger.php')) {
+            $definition->replaceArgument(1, new Reference('monolog.logger.php'));
+        }
+        if ($container->hasDefinition('monolog.logger.deprecation')) {
+            $definition->replaceArgument(6, new Reference('monolog.logger.deprecation'));
+        }
+    }
+}

FrameworkBundle.php

@@ -17,6 +17,7 @@
 use Symfony\Bundle\FrameworkBundle\DependencyInjection\Compiler\AssetsContextPass;
 use Symfony\Bundle\FrameworkBundle\DependencyInjection\Compiler\ContainerBuilderDebugDumpPass;
 use Symfony\Bundle\FrameworkBundle\DependencyInjection\Compiler\DataCollectorTranslatorPass;
+use Symfony\Bundle\FrameworkBundle\DependencyInjection\Compiler\ErrorLoggerCompilerPass;
 use Symfony\Bundle\FrameworkBundle\DependencyInjection\Compiler\LoggingTranslatorPass;
 use Symfony\Bundle\FrameworkBundle\DependencyInjection\Compiler\ProfilerPass;
 use Symfony\Bundle\FrameworkBundle\DependencyInjection\Compiler\RemoveUnusedSessionMarshallingHandlerPass;
@@ -160,6 +161,8 @@ public function build(ContainerBuilder $container)
         $container->addCompilerPass(new RegisterReverseContainerPass(false), PassConfig::TYPE_AFTER_REMOVING);
         $container->addCompilerPass(new RemoveUnusedSessionMarshallingHandlerPass());
         $container->addCompilerPass(new SessionPass());
+        // must be registered after MonologBundle's LoggerChannelPass
+        $container->addCompilerPass(new ErrorLoggerCompilerPass(), PassConfig::TYPE_BEFORE_OPTIMIZATION, -32);
 
         if ($container->getParameter('kernel.debug')) {
             $container->addCompilerPass(new AddDebugLogProcessorPass(), PassConfig::TYPE_BEFORE_OPTIMIZATION, 2);

Resources/config/debug_prod.php

@@ -21,12 +21,12 @@
         ->set('debug.debug_handlers_listener', DebugHandlersListener::class)
             ->args([
                 null, // Exception handler
-                service('monolog.logger.php')->nullOnInvalid(),
+                service('logger')->nullOnInvalid(),
                 null, // Log levels map for enabled error levels
                 param('debug.error_handler.throw_at'),
                 param('kernel.debug'),
                 param('kernel.debug'),
-                service('monolog.logger.deprecation')->nullOnInvalid(),
+                service('logger')->nullOnInvalid(),
             ])
             ->tag('kernel.event_subscriber')
             ->tag('monolog.logger', ['channel' => 'php'])

Tests/DependencyInjection/FrameworkExtensionTestCase.php

@@ -507,7 +507,7 @@ public function testEnabledPhpErrorsConfig()
         $container = $this->createContainerFromFile('php_errors_enabled');
 
         $definition = $container->getDefinition('debug.debug_handlers_listener');
-        $this->assertEquals(new Reference('monolog.logger.php', ContainerInterface::NULL_ON_INVALID_REFERENCE), $definition->getArgument(1));
+        $this->assertEquals(new Reference('logger', ContainerInterface::NULL_ON_INVALID_REFERENCE), $definition->getArgument(1));
         $this->assertNull($definition->getArgument(2));
         $this->assertSame(-1, $container->getParameter('debug.error_handler.throw_at'));
     }
@@ -527,7 +527,7 @@ public function testPhpErrorsWithLogLevel()
         $container = $this->createContainerFromFile('php_errors_log_level');
 
         $definition = $container->getDefinition('debug.debug_handlers_listener');
-        $this->assertEquals(new Reference('monolog.logger.php', ContainerInterface::NULL_ON_INVALID_REFERENCE), $definition->getArgument(1));
+        $this->assertEquals(new Reference('logger', ContainerInterface::NULL_ON_INVALID_REFERENCE), $definition->getArgument(1));
         $this->assertSame(8, $definition->getArgument(2));
     }
 
@@ -536,7 +536,7 @@ public function testPhpErrorsWithLogLevels()
         $container = $this->createContainerFromFile('php_errors_log_levels');
 
         $definition = $container->getDefinition('debug.debug_handlers_listener');
-        $this->assertEquals(new Reference('monolog.logger.php', ContainerInterface::NULL_ON_INVALID_REFERENCE), $definition->getArgument(1));
+        $this->assertEquals(new Reference('logger', ContainerInterface::NULL_ON_INVALID_REFERENCE), $definition->getArgument(1));
         $this->assertSame([
             \E_NOTICE => \Psr\Log\LogLevel::ERROR,
             \E_WARNING => \Psr\Log\LogLevel::ERROR,