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- 函数参考
- 数学扩展
- Trader
- Trader 函数
trader_bop
(PECL trader >= 0.2.0)
trader_bop — Balance Of Power
说明
trader_bop(array
$open,array
$high,array
$low,array
$close): array
参数
-
open -
开盘价，浮点数数组。
-
high -
高价，浮点数数组。
-
low -
低价，浮点数数组。
-
close -
收盘价，浮点数数组。
返回值
Returns an array with calculated data or false on failure.
User Contributed Notes 1 note
up down 1 geekgirl dot joy at gmail dot com ¶1 year ago
<?php
$opens = array(135.83, 139.52, 143.43, 143.6);
$highs = array(136.74, 141.99, 144.3, 144.3);
$lows = array(130.21, 136.7, 140.41, 141.37);
$closes = array(131.96, 137.09, 142.06, 143.16);
// (Close - Open) / (High - Low)
$Balance_Of_Power = trader_bop($opens, $highs, $lows, $closes);
var_dump($Balance_Of_Power);
/*
array(4) {
[0]=>
float(-0.593) // (131.96 - 135.83) / (136.74 - 130.21)
[1]=>
float(-0.459) // (137.09 - 139.52) / (141.99 - 136.7)
[2]=>
float(-0.352) // (142.06 - 143.43) / (144.3 - 140.41)
[3]=>
float(-0.15) // (143.16 - 143.6) / (144.3 - 141.37)
}
*/
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官方地址：https://www.php.net/manual/en/function.trader-bop.php