Answers for "unique validation in laravel update"

laravel validation unique if this field is changed

use Illuminate\Validation\Rule;

$request->validate([
    'phone' => [
        'required',
        Rule::unique('table_name', 'column_name')->ignore($request->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...
}

set unique value validation for laravel form request

use Illuminate\Validation\Rule;

public function rules()
{
    return [
	    'title' => [
		    'required',
		    Rule::unique('posts', 'title')->ignore($this->post)
	    ]
    ]; 
}

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 form request validation unique update

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