EvStat::prev

(PECL ev >= 0.2.0)

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

public void EvStat::prev ( void )

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

此函数没有参数。

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