copy all data in exists column to a new columns at Laravel - php

Question

I have an exists data on database
NewMWU :
id
data1
data2
data3
measurementu
department_id
done_dep
1
10
10
10
measurement1
empty
default: 0
then I pass this data to some Departments Ids.
Controller :
public function storeTS(Request $request)
{
foreach( (array) $request->dep_ids as $dep_id ){
$data = new NewMWU;
$data->measurementu = $request->measurementu;
$data->department_id = $dep_id;
$data->done_dep = 2;
$data->save();
}
Session::flash('success');
return redirect()->route('newMW.index');
After I passed data that will be like this on database at same table :
NewMWU :
id
data1
data2
data3
measurementu
department_id
done_dep
1
10
10
10
measurement1
empty
default: 0
2
empty
empty
empty
measurement1
1
2
3
empty
empty
empty
measurement1
2
2
4
empty
empty
empty
measurement1
3
2
how can I copy data1,data2,data3 to a new columns that created with ids = 2,3,4 from column id = 1.
Blade page :
<form class="m-form m-form--fit" action="{{route('admin.newMW.storeTS')}}" method="POST">
{{ csrf_field() }}
<div id="divt" class="form-group m-form__group">
<div class="row">
<div class="col-sm-6">
<select class="form-control m-input" name="measurementu" required>
<option value="">chose measurement</option>
#foreach ($measurement as $s)
<option value="{{$s->measurementu}}">{{$s->measurementu}}</option>
#endforeach
</select>
</div>
</div>
</div>
<div id="divt" class="m-form__group">
<div class="row">
<div class="col-sm-3">
<select class="form-control m-input" name="dep_ids[]" multiple required>
#foreach ($mnue2 as $d)
<option value="{{$d->id}}">{{$d->name}}</option>
#endforeach
</select>
</div>
</div>
</div>
<div class="m-portlet__foot m-portlet__foot--fit">
<div class="m-form__actions">
<button type="submit" class="btn btn-success">save</button>
</div>
</div>
</form>
I tried a lot of thinks like I add inputs in blade page for data1,2,3 but that is does not work.
Hope to help me how can I pass data1,2,3 in column 1 to a new columns with a requested data.