Overview 1. Retrieve page name from server context 2. Create a hash key to do the rule matching 3. Locate the rule in the hash 4. Create a new variable container (ZVAL) and fill it with the original data 5a. If we have a matching rule, use it 5b. Otherwise fall back (~strip_tags()~) 6. Select the correct array where to save too (%GET%, %POST%, %COOKIE%) 7. Register the modified variable 8. Deny PHP to register the original variable