(PECL trader >= 0.2.0)
trader_sarext — Parabolic SAR - Extended
$high
, array $low
[, float $startValue
[, float $offsetOnReverse
[, float $accelerationInitLong
[, float $accelerationLong
[, float $accelerationMaxLong
[, float $accelerationInitShort
[, float $accelerationShort
[, float $accelerationMaxShort
]]]]]]]] ) : array
high高价，浮点数数组。
low低价，浮点数数组。
startValueStart value and direction. 0 for Auto, >0 for Long, <0 for Short. Valid range from TRADER_REAL_MIN to TRADER_REAL_MAX.
offsetOnReversePercent offset added/removed to initial stop on short/long reversal. Valid range from 0 to TRADER_REAL_MAX.
accelerationInitLongAcceleration Factor initial value for the Long direction. Valid range from 0 to TRADER_REAL_MAX.
accelerationLongAcceleration Factor for the Long direction. Valid range from 0 to TRADER_REAL_MAX.
accelerationMaxLongAcceleration Factor maximum value for the Long direction. Valid range from 0 to TRADER_REAL_MAX.
accelerationInitShortAcceleration Factor initial value for the Short direction. Valid range from 0 to TRADER_REAL_MAX.
accelerationShortAcceleration Factor for the Short direction. Valid range from 0 to TRADER_REAL_MAX.
accelerationMaxShortAcceleration Factor maximum value for the Short direction. Valid range from 0 to TRADER_REAL_MAX.
Returns an array with calculated data or false on failure.