1) New constants:

1) New constants:
MYSQL_CLIENT_SSL for ssl connections
MYSQL_CLIENT_COMPRESS for compressed protocol
MYSQL_CLIENT_IGNORE_SPACES for spaces after function names
MYSQL_CLIENT_INTERACTIVE for closing connections after timeout_interactive seconds

2) Optional parameter client_flags for mysql_connect and mysql_pconnect
For parameter desctiption see 1.
This also should fix bug #13589

3) New internal function _rollback_mysql_transactions, which is called via
PHP_RSHUTDOWN_FUNCTION
This fixes bug #12513