PHP

Validate email ignore id Laravel

public function rules (){
		$rules = [
			'email' => 'required|email|unique:tb_users,email,'.$this->user->id,
            'username' => 'required|email|unique:tb_users,username,'.$this->user->id,
			'first_name' => 'required',
			'last_name' => 'required',
		];

		return $rules;
	}

ignore user id on email validation laravel

'email' => 'unique:table_name,column_name,'.$this->id.',id'