Php/docs/function.trader-rocp
From Get docs
trader_rocp
(PECL trader >= 0.2.0)
trader_rocp — Rate of change Percentage: (price-prevPrice)/prevPrice
Description
trader_rocp
( array $real
[, int $timePeriod
] ) : array
Parameters
real- Array of real values.
timePeriod- Number of period. Valid range from 2 to 100000.
Return Values
Returns an array with calculated data or false on failure.
