count newlines in heredoc variable

<a href="test5.php">adam</a>
<p>

</p>

?>

> How could I count the number of newlines in a heredoc variable? This
> outputs 0, but I thought heredoc preserved newlines?
> <?
> $test = <<<END
> Hi There
> END;
> echo substr_count($test, '\n');

> Hi,
> You're correct, but you just need double quotes: "\n".
> In a single-quoted string, the only interpreted escape sequences are \
> \ and \'.
> Regards,
> John Peters
> > How could I count the number of newlines in a heredoc variable? This
> > outputs 0, but I thought heredoc preserved newlines?
> > <?
> > $test =3D <<<END
> > =A0 =A0 =A0 =A0 =A0 Hi There
> > END;
> > echo substr_count($test, '\n');