(PECL trader >= 0.2.0)
trader_mfi — Money Flow Index
$high,$low,$close,$volume,$timePeriod = ?
high高價,浮點(diǎn)數(shù)數(shù)組。
low低價,浮點(diǎn)數(shù)數(shù)組。
close收盤價,浮點(diǎn)數(shù)數(shù)組。
volume成交量,浮點(diǎn)數(shù)數(shù)組。
timePeriodNumber of period. Valid range from 2 to 100000.
Returns an array with calculated data or false on failure.