update : 2015.11.03
php.shukuma.com

검색:
 
 
Rate of change : ((price/prevPrice)-1)*100
Trader 함수 목록
PHP Manual

trader_roc

(PECL trader >= 0.2.0)

trader_roc — Rate of change : ((price/prevPrice)-1)*100

설명

array trader_roc ( array $real [, integer $timePeriod ] )

인수

real

Array of real values.

timePeriod

Number of period. Valid range from 2 to 100000.

반환값

Returns an array with calculated data or false on failure.

Trader 함수 목록
PHP Manual