Trader 函数
PHP Manual

trader_get_compat

(PECL trader >= 0.2.2)

trader_get_compatGet compatibility mode

说明

int trader_get_compat ( void )

Get compatibility mode which affects the way calculations are done by all the extension functions.

返回值

Returns the compatibility mode id which can be identified by TRADER_COMPATIBILITY_* series of constants.


Trader 函数
PHP Manual