<?php
/*
The Aroon Oscillator uses the Aroon Indicator to gauge the strength of a trend and the likelihood that it will continue.
*/
$highs = array(118.99, 119.14, 120.5, 115.23, 115.93, 118.829, 116, 112.2, 110.88, 110.19, 112.86, 112.11, 110.25, 112.44);
$lows = array(112.68, 115.26, 112.5, 110, 112.8, 113.61, 112.04, 108.71, 106.09, 103.1, 109.16, 106.77, 105, 107.67);
$time_period = 5;
var_dump(trader_aroonosc($highs, $lows, $time_period));
/*
array(9) {
[5]=>
float(-20)
[6]=>
float(-20)
[7]=>
float(-100)
[8]=>
float(-60)
[9]=>
float(-80)
[10]=>
float(-80)
[11]=>
float(-60)
[12]=>
float(20)
[13]=>
float(20)
}
*/