PHP Variable with page title

Is there a simple way to get the page title (<HEADER><TITLE>page title</TITLE></HEADER>) into a variable that can be used in PHP. By searching this forum I found a simple way to get the language code:

global $g2_language;
if (!$g2_language) {
global $gallery;
list ($ret, $languageCode) = $gallery->getActiveLanguageCode();
else {
$languageCode = $g2_language;
}

So my main interest is to get the page title, but I am also interested in how to access all variables in php that are used in Gallery 2.3.1

Thanks in advance!

Thank you very much suprsidr, this is what I was looking for!