If you really cannot get a newer version of PHP installed - I was in the same boat - take a look at http://pear.php.net/package/PHP_Compat/ where you will find a package that provides functionality for older versions of PHP, including the missing is_a function.

When a user clicks on an author's name - let's say Bob - at the end of an entry, she then sees only Bob's entries. But the comments panel on the right side shows the comments which have been made to all the authors' entries. I would like to restrict the comments that are shown to only the comments ...

I really want to keep ALL the content in the database. After poking around some more, I've figured it out (I think - it's working, at any rate).

Serendipity_config.inc.php calls the function serendipity_load_configuration(), which is in the file functions_config.inc.php. That function reads the ...

What I'm really trying to do is get s9y to read another field that I've added to _config, blogDisclaimer, which I want to appear in the page header. I figured that if I can find out where the program reads blogTitle, then I'll know where to read my new field.

And on a more fundamental level, I'm ...

I'm just starting to use s9y, and I'm feeling a bit overwhelmed by the many files that it uses. Where does s9y read the fields in the _config table into the variables that it uses later in the program? I'm specifically looking for where the blogTitle entry is read.