If you, by any chance, want to limit the number of posts an user can create in your multi author WordPress blog, there is a nice way to do it. Add the following code in your theme’s functions.php file

[sourcecode language=”php”]
add_action("load-post-new.php","limit_user_by_post_count");
function limit_user_by_post_count(){
$user = get_current_user_id();
if (!current_user_can( ‘manage_options’)) {
//not an admin – so impose the limit
$user_post_count = count_user_posts($user);
if($user_post_count>=10)
header("Location: /wp-admin/edit.php");
}
}
[/sourcecode]

In this example, if the user has 10 posts he/she can not create a new post anymore. Every time he clicks on the “New Post” menu, he will be redirected to “All Posts” page. But the “admin” will not be limited at all 🙂

Sweet, eh?