Simple php jwt response

index.php

<?php

    if(!isset($_POST['username']) && !isset($_POST['password']) && empty($_POST['username'] && empty($_POST['password']))){
        header("HTTP/1.1 401 Unauthorized");
        exit;
    }

    if($_POST['username'] == 'admin' && $_POST['password'] == "admin123"){
        // clear the old headers
        header_remove();
        // set the actual code
        http_response_code(200);
        // set the header to make sure cache is forced
        header("Cache-Control: no-transform,public,max-age=300,s-maxage=900");
        // treat this as json
        header('Content-Type: application/json');
        // ok, validation error, or failure
        header('Status: 200 OK');

        $responseToken = "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyLCJ1c2VybmFtZSI6ImFkbWluIn0.ssum5s-G5F3tcssCXwXymGJpXJ0PT3sgZ0xwXNYMMws";


        echo json_encode([
            'status' => 200,
            'data' => [
                'token' => $responseToken
            ]
        ]);
        exit;
    }

?>