laravel compeser.json中require和require-dev区别

laravel compeser.json中require和require-dev区别

"require": {
"laravel/framework": "4.2.*",
"cartalyst/sentry": "2.1.4",
"edvinaskrucas/notification": "3.0.1",
"barryvdh/laravel-ide-helper": "1.11.3"
},
"require-dev": {
"way/generators": "~2.0",
"fzaninotto/faker": "1.4.0"
},