/**
* Get useful response headers for GET/HEAD requests for a file with the given metadata
* @param $metadata Array Contains this handler's unserialized getMetadata() for a file
- * @return array
+ * @param $fallbackWidth int|null Width to fall back to if metadata doesn't have any
+ * @param $fallbackHeight int|null Height to fall back to if metadata doesn't have any
+ * @return Array
+ * @since 1.30
*/
- public function getContentHeaders( $metadata ) {
- if ( !is_array( $metadata ) || !isset( $metadata['xml'] ) ) {
+ public function getContentHeaders( $metadata, $fallbackWidth = null, $fallbackHeight = null ) {
+ if ( !isset( $metadata['xml'] ) ) {
return [];
}