(PECL trader >= 0.2.0)
trader_cci — Commodity Channel Index
$high,$low,$close,$timePeriod = ?
high高价,浮点数数组。
low低价,浮点数数组。
close收盘价,浮点数数组。
timePeriodNumber of period. Valid range from 2 to 100000.
Returns an array with calculated data or false on failure.