(PHP 4 >= 4.0.2, PHP 5 <= 5.0.5)
pfpro_init — Initialises the Payflow Pro library
Used to initialise the Payflow Pro library.
You may omit this call, in which case this extension will automatically call pfpro_init() before the first transaction.
如果成功则返回 TRUE,失败则返回 FALSE。