fosRestBundle config

config.yml

jms_serializer:
    enable_short_alias: false
    metadata:
        auto_detection: true
    handlers:
        datetime:
            default_format: 'c'
            default_timezone: 'UTC'

fos_rest:
    serializer:
        serialize_null:  true
    view:
        failed_validation: HTTP_BAD_REQUEST
        empty_content: HTTP_NO_CONTENT
        force_redirects:
            html: true
            json: false
    access_denied_listener:
        json: true
    body_listener:
        decoders:
            json: fos_rest.decoder.json
    param_fetcher_listener: true
    format_listener:
        rules:
            - { path: '^/', priorities: [json], fallback_format: json}