Laravel Request::only vs Collection (Arr) ::only

larave-request-vs-collection-only.php

<?php
// given input ['name' => 'jarek']

Request::only('name', 'email')
[
     "name" => "jarek",
     "email" => null, // even if empty in the input, the key will be here
]


collect(['name'=>'jarek'])->only('name', 'email')
Illuminate\Support\Collection {#984
   all: [
     "name" => "jarek", // only keys from input are here
   ],
}