<?php
ob_start();
?>
<html>
<head>
<title>test</title>
</head>
<body>
<p>error</i>
</body>
</html>
<?php
$buffer = ob_get_clean();
$tidy = new tidy();
$clean = $tidy->repairString($buffer);
echo $clean;
?>
The above example will output:
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 3.2//EN">
<html>
<head>
<title>test</title>
</head>
<body>
<p>error</p>
</body>
</html>