Answers for "how to use unique in laravel validation"

unique validation on update laravel

public function rules()
{
  return [
      'email' => 'required|email|unique:users,email,'.$this->user->id,
  ];
}

laravel unique validation

/**
 * Store a new blog post.
 *
 * @param  Request  $request
 * @return Response
 */

public function store(Request $request)
{
    $validatedData = $request->validate([
        'title' => 'required|unique:posts|max:255',
        'body' => 'required',
    ]);

    // The blog post is valid...
}

laravel unique validation

unique:table,column,except,idColumn

############## Example : ################

############### For Updating  
//rules
'email' => 'unique:users,email_address,' . $userId,

############### For Creating 
//rules
'email' => 'unique:users,email_address',

laravel validate form data unique

'username' => ['required', Rule::unique('users', 'username')],