[PHP][Lumen] body name parameter should be ignore

[robertocastro]

Description

When I generate a Lumen server stub from swagger editor online, generated controller has param validation for body name. Documentation here
say that this name is ignored but Lumen Stub has check for body name parameter.

Swagger-codegen version

online swagger editor 2.2.3

Swagger declaration file content or url

paths:
  /visite:
    post:
      security:
        - api_key: []
      tags:
        - Visite
      summary: Ajouter une visite
      description: ''
      operationId: addVisite
      consumes:
      - application/json
      produces:
      - application/json
      parameters: 
      - name: body
        in: body
        description: Objet visite à ajouter
        required: true
        schema:
          $ref: '#/definitions/Visite'

Lumen stub has this check :

if (!isset($input['body'])) {
    throw new \InvalidArgumentException('Missing the required parameter $body when calling addVisite');
}

[wing328]

@robertocastro did you document the body parameter as "required" in your spec? What about changing it to optional instead?

Ref: https://github.com/swagger-api/swagger-codegen/blob/master/modules/swagger-codegen/src/main/resources/lumen/api.mustache#L77-L81

[robertocastro]

@wing328 it's not about optional or required but trying to implement 2.0 specs like here : https://swagger.io/docs/specification/2-0/describing-request-body/
Particularly this : "The payload name. It is required but ignored (it is used for documentation purposes only)."
I documented a body parameter called 'body' but 'body' parameter is never sent when executing request from swagger-ui so server side should not check this parameter.