Add filter for nextgen image format #777

inc/common/attachments.php

@@ -67,3 +67,29 @@ function imagify_add_webp_type( $ext2type ) {
  * @author Grégory Viguier
  */
 add_filter( 'big_image_size_threshold', [ imagify_get_context( 'wp' ), 'get_resizing_threshold' ], IMAGIFY_INT_MAX );
+
+/**
+ * Add filters to manage images formats that will be generated
+ *
+ * @param array $formats
+ *
+ * @return array;
+ */
+function imagify_nextgen_images_format( array $formats ) {
+	//If no formats is passed, bail early and default to webp.
+	if ( empty( $formats) ) {
+		return ['webp'];
+	}
+
+	if ( isset( $formats['webp'], $formats['avif'] )
+		&& ( $formats['avif'] && $formats['webp'] )
+	) {
+		return ['avif', 'webp'];
+	}
+
+	return $formats;
+}
+/**
+ * Filter to get the image format to generate.
+*/
+add_filter( 'imagify_nextgen_images_formats', 'imagify_nextgen_images_format' );