* @ingroup Media
* @author Ævar Arnfjörð Bjarmason <avarab@gmail.com>
* @copyright Copyright © 2005, Ævar Arnfjörð Bjarmason, 2009 Brent Garber, 2010 Brian Wolff
- * @license http://www.gnu.org/copyleft/gpl.html GNU General Public License
+ * @license GPL-2.0-or-later
* @see http://exif.org/Exif2-2.PDF The Exif 2.2 specification
* @file
*/
if ( !is_array( $vals ) ) {
return $vals; // do nothing if not an array;
- } elseif ( count( $vals ) === 1 && $type !== 'lang' ) {
+ } elseif ( count( $vals ) === 1 && $type !== 'lang' && isset( $vals[0] ) ) {
return $vals[0];
} elseif ( count( $vals ) === 0 ) {
wfDebug( __METHOD__ . " metadata array with 0 elements!\n" );