Laravel- datatables inline editing and use autocomplete for multitables - php

Question

I have a complicated problem, I have a table that contains data as Im using datatable, table Checks have relationship with other table Vendors
what I want just when click on cell vendor_id make it editable and use autocomplete function to fill or edit current data.
I want table to be editable like this example
https://editor.datatables.net/examples/inline-editing/simple
my table screenshot
Check table:
details
description
vendor_id
Vendors table:
vendor_id
vendor_name
now the name of vendor appears in the datatable but dont know why its inside brackets and "" [{"vendor_name":"Raul"}]
so All I want just to show vendor_name and edit it using autocomplete and to store it in the Check Table by storing vendor_id not vendor name
Ajax
var oTable = $('#users-table').DataTable({
dom: 'flBrtip',
stateSave: true,
paging: true,
pagingType: 'simple_numbers',
processing: true,
serverSide: true,
ajax: {
url: 'custom-filter-data',
data: function(d) {
d.start_date = $('input[name=start_date]').val();
d.end_date = $('input[name=end_date]').val();
}
},
columns : [
{data: 'details', name: 'details'},
{data: 'description', name: 'description'},
{data: 'vendor_id',name:'vendor_id'},
{data: 'category_id',name: 'category_id'},
],
pageLength: 10,
});
oTable.draw();
Controller
public function getCustomFilterData()
{
$arrStart = explode("/", Input::get('start_date'));
$arrEnd = explode("/", Input::get('end_date'));
$start = Carbon::create($arrStart[2], $arrStart[0], $arrStart[1], 0, 0, 0);
$end = Carbon::create($arrEnd[2], $arrEnd[0], $arrEnd[1], 23, 59, 59);
$orders = Checks::between($start, $end);
return Datatables::of($orders)->editColumn('vendor_id', function ($user)
{
$vendor =Vendors::select('vendor_name')->where('vendor_id',$user->vendor_id)->get();
return ( $vendor);
}) ->make( TRUE );
}

Answer 1

You're using ->get(); which returns and array and thus the []
If you only want one column (vendor_name) write it like this.
$vendor =Vendors::where('vendor_id',$user->vendor_id)->first();
return $vendor ? $vendor->vendor_name : '';
Explanation of get and first differences: https://laravel.com/docs/5.5/queries#retrieving-results