CondExtend

(:if expr true and ! phpinfo() :) hello
(:ifend:)

# T -> (:if expr true:) '''TRUE''' (:else:)false(:ifend:)
# T and T  -> (:if [ true and true ] :) '''TRUE''' (:else:)false(:ifend:)
# T and F  -> (:if [ true and false ] :) '''TRUE''' (:else:)false(:ifend:)
# T and !F -> (:if [ true and ! false ] :) '''TRUE''' (:else:)false(:ifend:)

# T or T  -> (:if expr true or true :) '''TRUE''' (:else:)false(:ifend:)
# T or F  -> (:if expr true or false :) '''TRUE''' (:else:)false(:ifend:)
# F or T  -> (:if expr false or true :) '''TRUE''' (:else:)false(:ifend:)
# F or F  -> (:if expr false or false :) '''TRUE''' (:else:)false(:ifend:)

1. T -> TRUE
2. T and T -> TRUE
3. T and F -> false
4. T and !F -> TRUE
5. T or T -> TRUE
6. T or F -> TRUE
7. F or T -> TRUE
8. F or F -> false

# T -> (:if expr false:) '''TRUE''' (:else:)false(:ifend:)
# T and T  -> (:if [ TRUE and TRUE ] :) '''TRUE''' (:else:)false(:ifend:)
# T and F  -> (:if [ true AND false ] :) '''TRUE''' (:else:)false(:ifend:)
# T and !F -> (:if [ true and ! false ] :) '''TRUE''' (:else:)false(:ifend:)

# T or T  -> (:if expr true OR true :) '''TRUE''' (:else:)false(:ifend:)
# T or F  -> (:if expr TRUE or FALSE :) '''TRUE''' (:else:)false(:ifend:)
# F or T  -> (:if expr false or true :) '''TRUE''' (:else:)false(:ifend:)
# F or F  -> (:if expr false or false :) '''TRUE''' (:else:)false(:ifend:)

1. T -> false
2. T and T -> TRUE
3. T and F -> false
4. T and !F -> TRUE
5. T or T -> TRUE
6. T or F -> TRUE
7. F or T -> TRUE
8. F or F -> false