Ticket #46986: 46986.diff

src/wp-includes/class-wp-oembed.php

@@ -520 +520 @@
                 $provider = add_query_arg( 'maxwidth', (int) $args['width'], $provider );
                 $provider = add_query_arg( 'maxheight', (int) $args['height'], $provider );
                 $provider = add_query_arg( 'url', urlencode( $url ), $provider );
-                $provider = add_query_arg( 'dnt', 1, $provider );
+                if ( strpos( $provider, 'vimeo.com' ) !== false ) {
+                        $provider = add_query_arg( 'dnt', 1, $provider );
+                }
 
                 /**
                  * Filters the oEmbed URL to be fetched.
@@ -527 +529 @@
                  *
                  * @since 2.9.0
                  * @since 4.9.0 The `dnt` (Do Not Track) query parameter was added to all oEmbed provider URLs.
+                 * @since 5.6.0 The `dnt` (Do Not Track) query parameter was removed from Vimeo oEmbed URLs.
                  *
+                 * The `dnt` parameter can be re-enabled on Vimeo oEmbed URLs using the following:
+                 *
+                 *     function enable_dnt_vimeo_oembed( $provider, $url, $args ) {
+                 *         if ( strpos( $provider, 'vimeo.com' ) !== false ) {
+                 *             $provider = add_query_arg( 'dnt', 1, $provider );
+                 *         }
+                 *         return $provider;
+                 *     }
+                 *     add_filter( 'oembed_fetch_url', 'enable_dnt_vimeo_oembed', 10, 3 );
+                 *
                  * @param string $provider URL of the oEmbed provider.
                  * @param string $url      URL of the content to be embedded.
                  * @param array  $args     Optional arguments, usually passed from a shortcode.