PHP - Manual: trader_beta
2025-02-27
(PECL trader >= 0.2.0)
trader_beta — Beta
$real0
$real1
$timePeriod
real0
浮点数数组。
real1
timePeriod
Number of period. Valid range from 2 to 100000.
Returns an array with calculated data or false on failure.
官方地址:https://www.php.net/manual/en/function.trader-beta.php