private function ExifPHPExtension::exifReformatGps in Exif 8

Same name and namespace in other branches

1. 8.2 src/ExifPHPExtension.php \Drupal\exif\ExifPHPExtension::exifReformatGps()

Helper function to change GPS co-ords into decimals.

Parameters

mixed $value: Raw value as array or string.

string $ref: Direction as a char (S/N/E/W)

Return value

float Calculated decimal value

1 call to ExifPHPExtension::exifReformatGps()

ExifPHPExtension::reformat in src/ExifPHPExtension.php

Helper function to reformat fields where required.

File

src/ExifPHPExtension.php, line 484

Class

ExifPHPExtension

Class ExifPHPExtension Parser implementation base d on PHP Exif extension.

Namespace

Drupal\exif

Code

private function exifReformatGps($value, $ref) {
  if (!is_array($value)) {
    $value = [
      $value,
    ];
  }
  $dec = 0;
  $granularity = 0;
  foreach ($value as $element) {
    $parts = explode('/', $element);
    $dec += (double) ((double) $parts[0] / (double) $parts[1] / pow(60, $granularity));
    $granularity++;
  }
  if ($ref == 'S' || $ref == 'W') {
    $dec *= -1;
  }
  return $dec;
}