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trader_ultosc	trader_wclprice

Trader Functions	Last updated: Mon, 26 Oct 2026

trader_var

(PECL trader >= 0.2.0)

trader_var — Variance

Description

function trader_var(array $real, int $timePeriod = ?, float $nbDev = ?): array

Parameters

real: Array of real values.
timePeriod: Number of period. Valid range from 2 to 100000.
nbDev

Return Values

Returns an array with calculated data or false on failure.

trader_ultosc	trader_wclprice

Trader Functions	Last updated: Mon, 26 Oct 2026