src/Common/Utils/MeasurementUtils.php

   1 <?php
   2
   3 /**
   4  * MeasurementUtils.php
   5  * @package openemr
   6  * @link      http://www.open-emr.org
   7  * @author    Stephen Nielson <stephen@nielson.org>
   8  * @copyright Copyright (c) 2021 Stephen Nielson <stephen@nielson.org>
   9  * @license   https://github.com/openemr/openemr/blob/master/LICENSE GNU General Public License 3
  10  */
  11
  12 namespace OpenEMR\Common\Utils;
  13
  14 class MeasurementUtils
  15 {
  16     const MEASUREMENT_PRECISION = 6;
  17
  18     public static function kgToLb($val)
  19     {
  20         return number_format($val * 2.20462262185, self::MEASUREMENT_PRECISION);
  21     }
  22     public static function lbToKg($val)
  23     {
  24         return number_format($val *  0.45359237, self::MEASUREMENT_PRECISION);
  25     }
  26     public static function cmToInches($val)
  27     {
  28         return number_format(round($val / 2.54, self::MEASUREMENT_PRECISION), self::MEASUREMENT_PRECISION);
  29     }
  30     public static function inchesToCm($val)
  31     {
  32         return number_format(round($val * 2.54, self::MEASUREMENT_PRECISION), self::MEASUREMENT_PRECISION);
  33     }
  34     public static function fhToCelsius($val)
  35     {
  36         return number_format(round(($val - 32) * (5 / 9), self::MEASUREMENT_PRECISION), self::MEASUREMENT_PRECISION);
  37     }
  38
  39     public static function celsiusToFh($val)
  40     {
  41         return number_format(round(((9 / 5) * $val) + 32, self::MEASUREMENT_PRECISION), self::MEASUREMENT_PRECISION);
  42     }
  43 }