Php StringStream

<?php
    use LTDBeget\stringstream\StringStream;
    
    require(__DIR__ . '/vendor/autoload.php');
    
    $stream = new StringStream("Hello, World!");
    
    do {
        if($stream->currentAscii()->isWhiteSpace()) {
            $stream->ignoreWhitespace();
        } else {
            echo $stream->current().PHP_EOL;
            $stream->next();
        }
    
    } while (! $stream->isEnd());