Unable to open stream (fopen) php

Question

What is my mistake?

$url = 'http://sc-stream1.dancefm.net/;';

if (!$fp = fopen($url, 'r')) {
    trigger_error("Error URL ($url)", E_USER_ERROR);
}

works:

$url = 'http://sc-stream1.dancefm.net/';

error:

$url = 'http://sc-stream1.dancefm.net/;';