EvStat::prev

(PECL ev >= 0.2.0)

EvStat::prev — Returns the previous set of values returned by EvStat::attr

说明

public EvStat::prev ( ) : void

Just like EvStat::attr() , but returns the previous set of values.

参数

此函数没有参数。

返回值

Returns an array with the same structure as the array returned by EvStat::attr() . The array contains previously detected values.

参见