TRADER_BBANDS(3) 1 TRADER_BBANDS(3)
trader_bbands - Bollinger Bands
SYNOPSIS
array trader_bbands (array $real, [integer $timePeriod], [float $nbDevUp], [float $nbDevDn], [integer $mAType])
DESCRIPTION
PARAMETERS
o $real
- Array of real values.
o $timePeriod
- Number of period. Valid range from 2 to 100000.
o $nbDevUp
- Deviation multiplier for upper band. Valid range from TRADER_REAL_MIN to TRADER_REAL_MAX.
o $nbDevDn
- Deviation multiplier for lower band. Valid range from TRADER_REAL_MIN to TRADER_REAL_MAX.
o $mAType
- Type of Moving Average. TRADER_MA_TYPE_* series of constants should be used.
RETURN VALUES
Returns an array with calculated data or false on failure.
PHP Documentation Group TRADER_BBANDS(3)
