Просмотр поста

$act = filter_input(INPUT_POST, 'button', FILTER_DEFAULT);
    if ($act && $act== 'page1') {
        echo '<p>You are on page: ' . $act;
    }else
    if ($act && $act == 'page2') {
        echo '<p>You are on page: ' . $act;
    }else
    if ($act && $act == 'page3') {
        echo '<p>You are on page: ' . $act;
    }else {
    echo '<form action="?' . uniqid() . '" method="post">' // uniqid() твой генератор ссылки
    .'<p style="margin:0;"><input style="font-size: 0px;background-image: url(home.png);width:100px;height:100px;" type="submit" name="button" value="home">'
    .'<input style="font-size: 0px;background-image: url(page1.png);width:100px;height:100px;" type="submit" name="button" value="page1"></p>'
    .'<p style="margin:0;"><input style="font-size: 0px;background-image: url(page2.png);width:100px;height:100px;" type="submit" name="button" value="page2">'
    .'<input style="font-size: 0px;background-image: url(page3.png);width:100px;height:100px;" type="submit" name="button" value="page3"></p>'
    .'</form>';
		echo '<p>Home page: ' . $act;
	}