if ( $handler ) {
$metadata = MediaWiki\quietCall( 'unserialize', $props['metadata'] );
- $options['headers'] = $handler->getContentHeaders(
- $metadata, $props['width'], $props['height']
- );
+ if ( !is_array( $metadata ) ) {
+ $metadata = [];
+ }
+
+ $options['headers'] = $handler->getContentHeaders( $metadata );
} else {
$options['headers'] = [];
}