count three columns laravel code example

Example 1: laravel get list of columns in a table

use Illuminate\Support\Facades\Schema;

use Illuminate\Support\Facades\DB;

public function getTableColumns($table)
{
    return DB::getSchemaBuilder()->getColumnListing($table);

    // OR

    return Schema::getColumnListing($table);

}

Example 2: count column eloquent laravel

$total = Post::sum('views');