how to separate each and every column in the mysql db row ? in laravel

Question

Controller

public function getback(Request $request)
{

    $chart = DB::table('BirthChart_1')
             ->where('FileId', 123)
             ->get();

            return $chart;

}

http://127.0.0.1:8000/getback

output be like

[{"FileId":123,"k1":3,"k2":4,"k3":null,"k4":null,"k5":null,"k6":5,"k7":null,"k8":null,"k9":null,"k10":null}]

I want to get access each and every column separately , I put like that

return $chart["k1"];

got error ...

my main task is take the each column's data send into script

Answer 1

您将得到一个行数组，请尝试：

return $chart[0]["k1"];

Answer 2

Controller be like

public function getback(Request $request)
{


    $chart = DB::table('BirthChart_1')
             ->where('FileId', 123)
             ->get();



            foreach ($chart as $key ) {
                $f[] = [$key->k1,$key->k2,$key->k3,$key->k4,$key->k5,$key->k6,$key->k7,$key->k8,$key->k9,$key->k10];

            }

            return response()->json($f);
}

output of the result

[[3,4,null,null,null,5,null,null,null,null]]