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<trader_set_compattrader_sin>
^Trader FunctionsLast updated: Mon, 26 Oct 2026

trader_set_unstable_period

(PECL trader >= 0.2.2)

trader_set_unstable_period — Set unstable period

Description

function trader_set_unstable_period(int $functionId, int $timePeriod): void

Influences unstable period factor for functions, which are sensible to it. More information about unstable periods can be found on the » TA-Lib API documentation page.

Parameters

functionId

Function ID the factor should be set for. TRADER_FUNC_UNST_* constant series can be used to affect the corresponding function.

timePeriod

Unstable period value.

Return Values

No value is returned.


<trader_set_compattrader_sin>
^Trader FunctionsLast updated: Mon, 26 Oct 2026