Robust tertiary array

App\Entity\Annotation\Annotation {#1104
  -name: "Robust tertiary array"
  -anchors: Doctrine\ORM\PersistentCollection {#1035
    -snapshot: []
    -owner: App\Entity\Annotation\Annotation {#1104}
    -association: array:15 [ …15]
    -em: Doctrine\ORM\EntityManager {#541 …11}
    -backRefFieldName: "annotation"
    -typeClass: Doctrine\ORM\Mapping\ClassMetadata {#1101 …}
    -isDirty: false
    #collection: Doctrine\Common\Collections\ArrayCollection {#1126
      -elements: []
    }
    #initialized: false
  }
  -blocks: Doctrine\ORM\PersistentCollection {#1123
    -snapshot: []
    -owner: App\Entity\Annotation\Annotation {#1104}
    -association: array:16 [ …16]
    -em: Doctrine\ORM\EntityManager {#541 …11}
    -backRefFieldName: "annotation"
    -typeClass: Doctrine\ORM\Mapping\ClassMetadata {#1043 …}
    -isDirty: false
    #collection: Doctrine\Common\Collections\ArrayCollection {#1040
      -elements: []
    }
    #initialized: false
  }
  -tags: Doctrine\ORM\PersistentCollection {#1137
    -snapshot: []
    -owner: App\Entity\Annotation\Annotation {#1104}
    -association: array:21 [ …21]
    -em: Doctrine\ORM\EntityManager {#541 …11}
    -backRefFieldName: "annotations"
    -typeClass: Doctrine\ORM\Mapping\ClassMetadata {#1038 …}
    -isDirty: false
    #collection: Doctrine\Common\Collections\ArrayCollection {#1139
      -elements: []
    }
    #initialized: false
  }
  -resource: Proxies\__CG__\App\Entity\Music\Resource {#1186
    +__isInitialized__: false
    -name: null
    -href: null
    -opus: null
    -type: null
    -annotations: null
    -file: null
    -fileName: null
    -updatedAt: null
    -licence: null
    -copyright: null
    -projectUrl: null
    -sourceUrl: null
    -infoUrl: null
    -originalDocument: null
    -electronicEditor: null
    -encoderOfElectronicDocument: null
    -electronicEditionVersion: null
    -publisherElectronicEdition: null
    -id: Ramsey\Uuid\Uuid {#1107
      #codec: Ramsey\Uuid\Codec\StringCodec {#1056
        -builder: Ramsey\Uuid\Builder\DefaultUuidBuilder {#1067
          -converter: Ramsey\Uuid\Converter\Number\DegradedNumberConverter {#1062}
        }
      }
      #fields: array:6 [
        "time_low" => "c6e5c8a2"
        "time_mid" => "2a9f"
        "time_hi_and_version" => "4ae2"
        "clock_seq_hi_and_reserved" => "a5"
        "clock_seq_low" => "ea"
        "node" => "593f01fb1d17"
      ]
      #converter: Ramsey\Uuid\Converter\Number\DegradedNumberConverter {#1062}
      uuid: "c6e5c8a2-2a9f-4ae2-a5ea-593f01fb1d17"
    }
     …2
  }
  -comments: Doctrine\ORM\PersistentCollection {#1225
    -snapshot: []
    -owner: App\Entity\Annotation\Annotation {#1104}
    -association: array:16 [ …16]
    -em: Doctrine\ORM\EntityManager {#541 …11}
    -backRefFieldName: "annotation"
    -typeClass: Doctrine\ORM\Mapping\ClassMetadata {#1184 …}
    -isDirty: false
    #collection: Doctrine\Common\Collections\ArrayCollection {#1224
      -elements: []
    }
    #initialized: false
  }
  -user: Proxies\__CG__\App\Entity\User {#1198
    +__isInitialized__: false
    -email: null
    -roles: []
    -password: null
    -annotations: null
    -comments: null
    -id: Ramsey\Uuid\Uuid {#1106
      #codec: Ramsey\Uuid\Codec\StringCodec {#1056}
      #fields: array:6 [
        "time_low" => "1b053560"
        "time_mid" => "af77"
        "time_hi_and_version" => "4655"
        "clock_seq_hi_and_reserved" => "94"
        "clock_seq_low" => "e3"
        "node" => "dcd35755edc6"
      ]
      #converter: Ramsey\Uuid\Converter\Number\DegradedNumberConverter {#1062}
      uuid: "1b053560-af77-4655-94e3-dcd35755edc6"
    }
     …2
  }
  -id: Ramsey\Uuid\Uuid {#1110
    #codec: Ramsey\Uuid\Codec\StringCodec {#1056}
    #fields: array:6 [
      "time_low" => "8de36945"
      "time_mid" => "ea7a"
      "time_hi_and_version" => "4e04"
      "clock_seq_hi_and_reserved" => "9a"
      "clock_seq_low" => "b1"
      "node" => "6e7870f9c049"
    ]
    #converter: Ramsey\Uuid\Converter\Number\DegradedNumberConverter {#1062}
    uuid: "8de36945-ea7a-4e04-9ab1-6e7870f9c049"
  }
  #createdAt: DateTime @1540752537 {#1109
    date: 2018-10-28 19:48:57.0 Europe/Zurich (+01:00)
  }
  #updatedAt: DateTime @1565106830 {#1108
    date: 2019-08-06 17:53:50.0 Europe/Zurich (+02:00)
  }
}