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Symfony 5: The Fast Track is the best book to learn modern Symfony development, from zero to production. +300 pages showcasing Symfony with Docker, APIs, queues & async tasks, Webpack, SPAs, etc.

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MonologBundle Configuration (“monolog”)

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MonologBundle Configuration (“monolog”)

For a full list of handler types and related configuration options, see Monolog Configuration.

Full Default Configuration

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    monolog:
    handlers:

        # Examples:
        syslog:
            type:                stream
            path:                /var/log/symfony.log
            level:               ERROR
            bubble:              false
            formatter:           my_formatter
        main:
            type:                fingers_crossed
            action_level:        WARNING
            buffer_size:         30
            handler:             custom
        custom:
            type:                service
            id:                  my_handler

        # Default options and values for some "my_custom_handler"
        # Note: many of these options are specific to the "type".
        # For example, the 'service' type doesn't use any options
        # except id and channels
        my_custom_handler:
            type:                 ~ # Required
            id:                   ~
            priority:             0
            level:                DEBUG
            bubble:               true
            path:                 '%kernel.logs_dir%/%kernel.environment%.log'
            ident:                false
            facility:             user
            max_files:            0
            action_level:         WARNING
            activation_strategy:  ~
            stop_buffering:       true
            buffer_size:          0
            handler:              ~
            members:              []
            channels:
                type:     ~
                elements: ~
            from_email:           ~
            to_email:             ~
            subject:              ~
            mailer:               ~
            email_prototype:
                id:                   ~ # Required (when the email_prototype is used)
                method:               ~
            formatter:            ~
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    <container xmlns="http://symfony.com/schema/dic/services"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:monolog="http://symfony.com/schema/dic/monolog"
    xsi:schemaLocation="http://symfony.com/schema/dic/services
        http://symfony.com/schema/dic/services/services-1.0.xsd
        http://symfony.com/schema/dic/monolog
        http://symfony.com/schema/dic/monolog/monolog-1.0.xsd"
>

    <monolog:config>
        <monolog:handler
            name="syslog"
            type="stream"
            path="/var/log/symfony.log"
            level="error"
            bubble="false"
            formatter="my_formatter"
        />
        <monolog:handler
            name="main"
            type="fingers_crossed"
            action-level="warning"
            handler="custom"
        />
        <monolog:handler
            name="custom"
            type="service"
            id="my_handler"
        />
    </monolog:config>
</container>

Note

When the profiler is enabled, a handler is added to store the logs’ messages in the profiler. The profiler uses the name “debug” so it is reserved and cannot be used in the configuration.

This work, including the code samples, is licensed under a Creative Commons BY-SA 3.0 license.