$user->permissions = array(
                'read' => $data['read_permission'],
                'comment' => ($data['write_permission'] >= 1 ? 1 : 0),
                'edit' => ($data['write_permission'] >= 2 ? 1 : 0),
                'edit_all' => '1'
                );
$user->save();

protected $fillable = array('email', 'password', 'first_name', 'last_name', 'company_id', 'department_id', 'phone_number', 'phone_ext', 'permissions');

$permissions = array(
                'read' => $data['read_permission'],
                'comment' => ($data['write_permission'] >= 1 ? 1 : 0),
                'edit' => ($data['write_permission'] >= 2 ? 1 : 0),
                'edit_all' => '1'
                );
DB::table('users')->where('id','=',$user->id)->update(['permissions' => json_encode($permissions)]);

$user->permissions = array(
                'read' =>1,
                'comment' => 1,
                'edit' => 0,
                'edit_all' => 0
                );
$user->save();

$user->permissions = array(
                'read' =>0,
                'comment' => 0,
                'edit' => 0,
                'edit_all' => 0
                );
$user->save();