GtkNotebook::get_current_page

int get_current_page (void);

Returns the index of the currently selected page.

Ejemplo 28. Set the current page to 0 if not already

<?php
$notebook =& new GtkNotebook;
for ($i = 0; $i < 10; ++$i) {
    $notebook->append_page(new GtkFrame('Page ' . $i), new GtkLabel($i));
}

if ($notebook->get_current_page() != 0) {
    $notebook->set_page(0);
}
?>