Php/docs/function.trader-rocr
From Get docs
trader_rocr
(PECL trader >= 0.2.0)
trader_rocr — Rate of change ratio: (price/prevPrice)
Description
trader_rocr
( 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.
