WordPress.org

How many BBcode I can define ?

How many you want.

How many parameters I can define ?

How many you want. Separate with commas. Ex.: [mybbcode:abc, xyz, efg]

How I can define parameters in script?

If the parameters used in your BBCode are par-0, par-1, ... par-n, you can use in the script the variables {0}, {1}, ... {n} (in this order). {0} will be replaced by par-0, {1} will be replaced by par-1, etc.

Why should I use the alternative code to display the BBCode in the RSS feed ?

The tag , , and others are not allowed in the RSS feed and are not displayed. With this code, you can define a alternative mode to link or display of your embedded object.

The BBCode are case sensitive ?

Yes.