In light of the http://www.gophp5.org/ movement, I think it would be wise to backport 5.2, as all these projects are now stating that they will not support anything less than 5.2
In light of the http:// www.gophp5. org/ movement, I think it would be wise to backport 5.2, as all these projects are now stating that they will not support anything less than 5.2