function the_page_title()
{
    $page_name = dirname(__FILE__);
    $each_page_name = explode('/', $page_name);
    $len_page_dir = count($each_page_name);
    $c_i_p_n = 0;
    while($len_page_dir != $c_i_p_n)
    {
        $c_i_p_n++;
    }
    echo $each_page_name[$c_i_p_n];
}

$page_name = dirname(__FILE__);
$each_page_name = explode('/', $page_name);
echo end($each_page_name);

echo getcwd();

function the_page_title()
{
    $page_name = getcwd(); // current script folder
    return basename($page_name);
}

function the_page_title()
{
    $page_name = getcwd(); // getcwd() gets the directory of the file you call the function from
    $each_page_name = explode('/', $page_name);
    $len_page_dir = count($each_page_name) -1;
    return $each_page_name[$len_page_dir];
}

<title><?php echo the_page_title(); ?></title>

__DIR__

dirname(__FILE__)

$each_page_name = explode('/', __DIR__);
$dir = end($each_page_name);
echo $dir;