pluck('id')->toArray(); $course_articles = factory(CourseArticle::class) ->times(100) ->make() ->each(function ($course_article, $index) use ($faker, $sections){ $course_article->course_section_id = $faker->randomElement($sections); $course_article->user_id = 1; }); CourseArticle::insert($course_articles->toArray()); } }