PHP - Manual: trader_roc
2025-02-27
(PECL trader >= 0.2.0)
trader_roc — Rate of change : ((price/prevPrice)-1)*100
$real
$timePeriod
real
浮点数数组。
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-roc.php