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Symfony Error Handler Denis Brumann ⚠ denis.brumann@sensiolabs.de ⁉ @dbrumann

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Throwable Error Exception

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Symfony\Component\ErrorHandler\ ErrorHandler::register()

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Symfony\Component\ErrorHandler\ DebugClassLoader::enable()

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Rendering error pages

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Routing Configuration _errors: resource: '@FrameworkBundle/Resources/config/routing/errors.xml' prefix: /_error

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HTML JSON XML

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HTML JSON XML

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HTML JSON XML

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HTML JSON XML YAML

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ErrorRenderer

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Customizing Error Pages

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TwigBundle Resources

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Non-HTML Resources implements Symfony\Component\Serializer\Normalizer\ NormalizerInterface

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public function supportsNormalization($data, string $format = null) { return $data instanceof FlattenException; }

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Symfony\Component\HttpKernel\ EventListener\ErrorListener Symfony\Component\Console\ EventListener\ErrorListener

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Symfony\Component\HttpKernel\ Controller\ErrorController

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Custom Error Controller

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HTML JSON XML Symfony\Component\Serializer\Normalizer\ NormalizerInterface

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HTML JSON XML composer require twig composer require serializer

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Docs https://symfony.com/doc/current/components/error_handler.html https://symfony.com/doc/current/controller/error_pages.html