public function run()
{
$faker = Faker::create();
$wordIds = Word::lists('id');
$tagIds = Tag::lists('id');
foreach (range(1, 30) as $index) {
DB::table('tag_word')->insert(['word_id' => $faker->randomElement($wordIds->all()), 'tag_id' => $faker->randomElement($tagIds->all())]);
}
}
