php 한글 메뉴얼 도움말 검색 사이트 Parabolic SAR [function.trader-sar]

array trader_sar ( array $high , array $low [, float $acceleration [, float $maximum ]] )

high: High price, array of real values.
low: Low price, array of real values.
acceleration: Acceleration Factor used up to the Maximum value. Valid range from 0 to TRADER_REAL_MAX.
maximum: Acceleration Factor Maximum value. Valid range from 0 to TRADER_REAL_MAX.

Returns an array with calculated data or false on failure.