Symfony Profiler

[
  "value" => [
    "slug" => "/"
    "checkIn" => ""
    "checkOut" => ""
    "origin" => ""
  ]
  "constraints" => Symfony\Component\Validator\Constraints\Collection {#4888
    +payload: null
    +groups: [
      "Default"
    ]
    +fields: [
      "slug" => Symfony\Component\Validator\Constraints\Required {#4899
        +payload: null
        +groups: [
          "Default"
        ]
        +constraints: [
          Symfony\Component\Validator\Constraints\NotBlank {#4889
            +payload: null
            +groups: [
              "Default"
            ]
            +message: "This value should not be blank."
            +allowNull: false
            +normalizer: null
          }
        ]
      }
      "origin" => Symfony\Component\Validator\Constraints\Required {#4890
        +payload: null
        +groups: [
          "Default"
        ]
        +constraints: []
      }
      "checkIn" => Symfony\Component\Validator\Constraints\Required {#4900
        +payload: null
        +groups: [
          "Default"
        ]
        +constraints: [
          Symfony\Component\Validator\Constraints\Required {#4891
            +payload: null
            +groups: [
              "Default"
            ]
            +constraints: []
          }
          Symfony\Component\Validator\Constraints\Date {#4892
            +payload: null
            +groups: [
              "Default"
            ]
            +message: "This value is not a valid date."
          }
        ]
      }
      "checkOut" => Symfony\Component\Validator\Constraints\Required {#4901
        +payload: null
        +groups: [
          "Default"
        ]
        +constraints: [
          Symfony\Component\Validator\Constraints\Required {#4893
            +payload: null
            +groups: [
              "Default"
            ]
            +constraints: []
          }
          Symfony\Component\Validator\Constraints\Date {#4894
            +payload: null
            +groups: [
              "Default"
            ]
            +message: "This value is not a valid date."
          }
        ]
      }
      "periods" => Symfony\Component\Validator\Constraints\Optional {#4895
        +payload: null
        +groups: [
          "Default"
        ]
        +constraints: []
      }
      "destination" => Symfony\Component\Validator\Constraints\Optional {#4896
        +payload: null
        +groups: [
          "Default"
        ]
        +constraints: []
      }
      "adt" => Symfony\Component\Validator\Constraints\Optional {#4897
        +payload: null
        +groups: [
          "Default"
        ]
        +constraints: []
      }
      "chd" => Symfony\Component\Validator\Constraints\Optional {#4898
        +payload: null
        +groups: [
          "Default"
        ]
        +constraints: []
      }
    ]
    +allowExtraFields: false
    +allowMissingFields: false
    +extraFieldsMessage: "This field was not expected."
    +missingFieldsMessage: "This field is missing."
  }
  "groups" => null
]