A powerful filter mechanism has been implemented for blocks. For any block you can set up your own filters based on
nearly any request attribute or query parameter. These can also be used in any combination. As long as all
filter conditions evaluate to true the block will be displayed. Conditions can be compared using any available
comparator: not just
in_array() and others. Array values must be a comma-delimited string.
Example: Make a block appear only on the home page
Create a filter: