Crash

$server = "xxx";
$username = 'xxx';
$password = 'xxx';
$dir = "xxx";

$ftp_conn = ftp_connect($server) or die("Could not connect to $server");
$login = ftp_login($ftp_conn, $username, $password);
$files = ftp_nlist($ftp_conn, $dir);

foreach ($files as $file) {
    $ext = pathinfo($file)['extension'];

    if ( $ext === 'log' ) {
        $path = "ftp://$username:$password@$server/$file";
        $file = fopen($path, "r");
        while ( ($line = fgets($file)) !== false ) {
            echo $line . "<br />";
        }

        break;
    }
}

ftp_close($ftp_conn);