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trader_cosh	trader_div

Trader Functions	Last updated: Mon, 26 Oct 2026

trader_dema

(PECL trader >= 0.2.0)

trader_dema — Double Exponential Moving Average

Description

function trader_dema(array $real, int $timePeriod = ?): array

Parameters

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

Return Values

Returns an array with calculated data or false on failure.

trader_cosh	trader_div

Trader Functions	Last updated: Mon, 26 Oct 2026