Faker\Factory::create PHP Method

    public static function create($locale = self::DEFAULT_LOCALE)
    {
        $generator = new Generator();
        foreach (static::$defaultProviders as $provider) {
            $providerClassName = self::getProviderClassname($provider, $locale);
            $generator->addProvider(new $providerClassName($generator));
        }
        return $generator;
    }

 public function run()
 {
     $faker = Faker::create();
     foreach (range(1, 50) as $index) {
         User::create(['username' => $faker->word . $index, 'email' => $faker->email, 'password' => 'secret']);
     }
 }