(PECL trader >= 0.2.0)
Money Flow Index
array trader_mfi ( array $high, array $low, array $close, array $volume [, integer $timePeriod ] )
Parameters:
high
High price, array of real values.
low
Low price, array of real values.
close
Closing price, array of real values.
volume
Volume traded, array of real values.
timePeriod
Number of period. Valid range from 2 to 100000.
Returns:
Returns an array with calculated data or false on failure.
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