Laravel 5.6 Password does/not contain login name

Extend.php

<?php
namespace App;

use Illuminate\Support\Facades\Input;
use Illuminate\Validation\Validator;

/**
 * Class Extend
 */
class Extend
{
    /**
     * @example
     *      Validator::extend('not_contains', 'App\Extend@not_contains');
     *
     *       -- add rule to attribute validation,
     *       -- in this case it checks if the 'login' Input is NOT in the password value
     *       'password' => [ ...
     *          'not_contains:login',
     *       ]
     * /example
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  mixed  $parameters
     * @param  Validator $validator
     * @return bool
     */
    public function not_contains($attribute, $value, $parameters, Validator $validator)
    {
        if(self::require_parameters($parameters,1) && $attribute_value = Input::get($parameters[0])){
            return strpos(strtoupper($value), strtoupper($attribute_value))===false?true:false;
        }
        return false;
    }

    /**
     * @example
     *      Validator::extend('contains', 'App\Extend@contains');
     *
     *       -- add rule to attribute validation,
     *       -- in this case it checks if the 'login' Input is in the password value
     *       'password' => [ ...
     *          'contains:login',
     *       ]
     * /example
     * @param  string  $attribute
     * @param  mixed  $value
     * @param  mixed  $parameters
     * @param  Validator $validator
     * @return bool
     */
    public function contains($attribute, $value, $parameters, Validator $validator)
    {
        if(self::require_parameters($parameters,1) && $attribute_value = Input::get($parameters[0])){
            return strpos(strtoupper($value), strtoupper($attribute_value))===false?false:true;
        }
        return false;
    }

    private static function require_parameters($parameters,$count) {
        return count($parameters) === $count;
    }
}