How do I do HTTP basic authentication using Guzzle?

Question

I want to do basic access authentication using Guzzle and I am very new to programming. I have no clue what to do. I tried to do this using curl but my environment requires

Answer 1

In additional to @amenadiel answer. Sometimes handy specify auth parameters in constructor:

$client = new Client([
    'auth' => ['username', 'password'],
]); 

Then every request will use this default auth parameters.