deliver.php

<?php

$url = $_SERVER['REQUEST_URI'];
if ($url=='/redirect/'){
    header("Location: /finished-redirect/");
    echo 'zeep';
    exit;
} else if ($url=='/finished-redirect/'){
    echo 'successful redirect';
} else if ($url=='/file-upload/'){

    echo 'File Content('.$_FILES['test_txt']['type'].'):'
        .file_get_contents($_FILES['test_txt']['tmp_name']);
} else if ($url=='/request-method/'){
    echo $_SERVER['REQUEST_METHOD'];
} else {
    echo "server-test";
}