PHP Notices

[clancey]

I am getting a lot of the following PHP notices/warnings in my Apache error log:

For instance:

Undefined index: category in /home/pligg/libs/html1.php on line 136

This is the section of code:

foreach ($categories as $category) {
                        echo '<li><a href="/category/'.$category->category_id.'/">';
                        if($category->category_id == $_REQUEST['category'])

This is a non fatal error. An inelegant solution is:

foreach ($categories as $category) {
         echo '<li><a href="/category/'.$category->category_id.'/">';
         if(empty($_REQUEST['category'])) echo  _($category->category_name);
         else {
                        if($category->category_id == $_REQUEST['category']) {
                                echo '<strong>' . _($category->category_name). '</strong>';
                                $globals['category_id'] = $category->category_id;
                                $globals['category_name'] = $category->category_name;
                        } else
                                echo  _($category->category_name);
        } //end of else

Having fixed that, I could see more, similar warnings:

Undefined property: user_level in /home/pligg/libs/link.php on line 279
Undefined index: page in /home/pligg/libs/utils.php on line 69

Unfortunately, hacking these issues will make it hard/impossible to upgrade.