<?php// Average True Range is a volatility indicator and does not indicate trend, only volatility$highs = array(118.99, 119.14, 120.5, 115.23, 115.93, 118.829, 116, 112.2, 110.88, 110.19, 112.86, 112.11, 110.25, 112.44);$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);$closes = array(112.82, 117.32, 113.49, 112, 115.355, 115.54, 112.13, 110.34, 106.84, 110.08, 111.81, 107.12, 108.22, 112.28);$time_period = 5;var_dump(trader_atr($highs, $lows, $closes, $time_period));/*array(9) { [5]=> float(5.74) [6]=> float(5.384) [7]=> float(5.005) [8]=> float(4.962) [9]=> float(5.388) [10]=> float(5.05) [11]=> float(5.108) [12]=> float(5.136) [13]=> float(5.063)}*/