如何获取Laravel查询生成器返回的非关联结果

$results = DB::table('table_name')->select('column')->get();

foreach ($results as $result) {
    echo $result->column;
}

$result = DB::table('table_name')->select('column')->first();

echo $result->column;

$value = DB::table('table_name')->where('column', 'value')->value('column');

echo $value;

$values = DB::table('table_name')->pluck('column');

foreach ($values as $value) {
    echo $value;
}