Bisame/bisame/database/seeds/DatabaseSeeder.php

<?php

use Illuminate\Database\Seeder;
use Illuminate\Database\Eloquent\Model;

class DatabaseSeeder extends Seeder
{
    /**
     * Run the database seeds.
     *
     * @return void
     */
    public function run()
    {
    Model::unguard();
    $this->call('UserTableSeeder');
    $this->call('PostTableSeeder');
    $this->call('TagTableSeeder');
        $this->call('PostTagTableSeeder');

    Model::reguard();


    for ($i = 1; $i < 41; $i++) {

    DB::table('editeurs')->insert(['nom' => str_random(rand(8, 22))]);

    DB::table('auteurs')->insert(['nom' => str_random(rand(8, 22))]);

    }


    for ($i = 1; $i < 81; $i++) {

        DB::table('livres')->insert([

            'titre' => str_random(rand(8, 22)),

            'editeur_id' => rand(1, 40)

        ]);

    }


    for ($i = 1; $i < 41; $i++) {

        $number = rand(2, 8);

        for ($j = 1; $j <= $number; $j++) {

            DB::table('auteur_livre')->insert([

                'livre_id' => rand(1, 40),

                'auteur_id' => $i

            ]);

        }
}
}
}