(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
  ]]]]]]]] )
high
    High price, array of real values.
low
    Low price, array of real values.
startValue
    Start value and direction. 0 for Auto, >0 for Long, <0 for Short. Valid range from TRADER_REAL_MIN to TRADER_REAL_MAX.
offsetOnReverse
    Percent offset added/removed to initial stop on short/long reversal. Valid range from 0 to TRADER_REAL_MAX.
accelerationInitLong
    Acceleration Factor initial value for the Long direction. Valid range from 0 to TRADER_REAL_MAX.
accelerationLong
    Acceleration Factor for the Long direction. Valid range from 0 to TRADER_REAL_MAX.
accelerationMaxLong
    Acceleration Factor maximum value for the Long direction. Valid range from 0 to TRADER_REAL_MAX.
accelerationInitShort
    Acceleration Factor initial value for the Short direction. Valid range from 0 to TRADER_REAL_MAX.
accelerationShort
    Acceleration Factor for the Short direction. Valid range from 0 to TRADER_REAL_MAX.
accelerationMaxShort
    Acceleration 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.