geo_unit_convert

geo/geo.module, line 150

Versions

6

geo_unit_convert($val, $from_unit, $to_unit)

API Function: Convert between units.

Code

<?php
function geo_unit_convert($val, $from_unit, $to_unit) {
  switch ($from_unit) {

    case 'm': // Meters
      switch ($to_unit) {
        case 'km':
          $val = $val / 1000;
          break;
        case 'mi':
          $val = $val / 1609.344;
          break;
      }
      break;

    case 'km': // Kilometers
      switch ($to_unit) {
        case 'm':
          $val = $val * 1000;
          break;
        case 'mi':
          $val = $val * 0.62137;
          break;
      }
      break;

    case 'mi': // Miles
      switch ($to_unit) {
        case 'm':
          $val = $val * 1609.344;
          break;
        case 'km':
          $val = $val * 1.60934;
          break;
      }
      break;
  }

  return $val;
}
?>