eloquent attach code example
Example 1: laravel detach
// Detach a single role from the user...
$user->roles()->detach($roleId);
// Detach all roles from the user...
$user->roles()->detach();
Example 2: laravel attach
//id for single
$user->reasons->attach($reasonId);
//array for multiple
$user->reasons->attach($reasonIds);
$user->save();