Method getGeoCoords

public static function getGeoCoords($filename)
{
    $lat = $long = '';
    $fileOriginal = PhocaGalleryFile::getFileOriginal($filename);
    if (!function_exists('exif_read_data')) {
        return array('latitude' => 0, 'longitude' => 0);
    } else {
        if (strtolower(File::getExt($fileOriginal)) != 'jpg') {
            return array('latitude' => 0, 'longitude' => 0);
        }
        // Not happy but @ must be added because of different warnings returned by exif functions - can break multiple upload
        $exif = @exif_read_data($fileOriginal, 0, true);
        if (empty($exif)) {
            return array('latitude' => 0, 'longitude' => 0);
        }
        if (isset($exif['GPS']['GPSLatitude'][0])) {
            $GPSLatDeg = explode('/', $exif['GPS']['GPSLatitude'][0]);
        }
        if (isset($exif['GPS']['GPSLatitude'][1])) {
            $GPSLatMin = explode('/', $exif['GPS']['GPSLatitude'][1]);
        }
        if (isset($exif['GPS']['GPSLatitude'][2])) {
            $GPSLatSec = explode('/', $exif['GPS']['GPSLatitude'][2]);
        }
        if (isset($exif['GPS']['GPSLongitude'][0])) {
            $GPSLongDeg = explode('/', $exif['GPS']['GPSLongitude'][0]);
        }
        if (isset($exif['GPS']['GPSLongitude'][1])) {
            $GPSLongMin = explode('/', $exif['GPS']['GPSLongitude'][1]);
        }
        if (isset($exif['GPS']['GPSLongitude'][2])) {
            $GPSLongSec = explode('/', $exif['GPS']['GPSLongitude'][2]);
        }
        if (isset($GPSLatDeg[0]) && isset($GPSLatDeg[1]) && (int) $GPSLatDeg[1] > 0 && isset($GPSLatMin[0]) && isset($GPSLatMin[1]) && (int) $GPSLatMin[1] > 0 && isset($GPSLatSec[0]) && isset($GPSLatSec[1]) && (int) $GPSLatSec[1] > 0) {
            $lat = $GPSLatDeg[0] / $GPSLatDeg[1] + $GPSLatMin[0] / $GPSLatMin[1] / 60 + $GPSLatSec[0] / $GPSLatSec[1] / 3600;
            if (isset($exif['GPS']['GPSLatitudeRef']) && $exif['GPS']['GPSLatitudeRef'] == 'S') {
                $lat = $lat * -1;
            }
        }
        if (isset($GPSLongDeg[0]) && isset($GPSLongDeg[1]) && (int) $GPSLongDeg[1] > 0 && isset($GPSLongMin[0]) && isset($GPSLongMin[1]) && (int) $GPSLongMin[1] > 0 && isset($GPSLongSec[0]) && isset($GPSLongSec[1]) && (int) $GPSLongSec[1] > 0) {
            $long = $GPSLongDeg[0] / $GPSLongDeg[1] + $GPSLongMin[0] / $GPSLongMin[1] / 60 + $GPSLongSec[0] / $GPSLongSec[1] / 3600;
            if (isset($exif['GPS']['GPSLongitudeRef']) && $exif['GPS']['GPSLongitudeRef'] == 'W') {
                $long = $long * -1;
            }
        }
        return array('latitude' => $lat, 'longitude' => $long);
    }
}