Now each HashTable is also zend_array, so it's refcounted and may be a subject for Copy on Write
zend_array_dup() was changed to allocate and return HashTable, instead of taking preallocated HashTable as argument.
* PHP-5.6:
fix output globals importing
export output globals
use portable strndup implementation
unix sockets aren't available on windows
dll export APIs needed by phpdbg
fix sapi/phpdbg/config.w32
Don't treat warnings as failures in the junit output