diff -r 34716fd837a4 -r be944660c56a wp/wp-includes/bookmark.php
--- a/wp/wp-includes/bookmark.php	Tue Dec 15 15:52:01 2020 +0100
+++ b/wp/wp-includes/bookmark.php	Wed Sep 21 18:19:35 2022 +0200
@@ -53,11 +53,11 @@
 
 	$_bookmark = sanitize_bookmark( $_bookmark, $filter );
 
-	if ( OBJECT == $output ) {
+	if ( OBJECT === $output ) {
 		return $_bookmark;
-	} elseif ( ARRAY_A == $output ) {
+	} elseif ( ARRAY_A === $output ) {
 		return get_object_vars( $_bookmark );
-	} elseif ( ARRAY_N == $output ) {
+	} elseif ( ARRAY_N === $output ) {
 		return array_values( get_object_vars( $_bookmark ) );
 	} else {
 		return $_bookmark;
@@ -391,16 +391,17 @@
  * @param string $field       The bookmark field.
  * @param mixed  $value       The bookmark field value.
  * @param int    $bookmark_id Bookmark ID.
- * @param string $context     How to filter the field value. Accepts 'raw', 'edit', 'attribute',
- *                            'js', 'db', or 'display'
+ * @param string $context     How to filter the field value. Accepts 'raw', 'edit', 'db',
+ *                            'display', 'attribute', or 'js'. Default 'display'.
  * @return mixed The filtered value.
  */
 function sanitize_bookmark_field( $field, $value, $bookmark_id, $context ) {
+	$int_fields = array( 'link_id', 'link_rating' );
+	if ( in_array( $field, $int_fields, true ) ) {
+		$value = (int) $value;
+	}
+
 	switch ( $field ) {
-		case 'link_id': // ints
-		case 'link_rating':
-			$value = (int) $value;
-			break;
 		case 'link_category': // array( ints )
 			$value = array_map( 'absint', (array) $value );
 			// We return here so that the categories aren't filtered.
@@ -445,6 +446,11 @@
 		}
 	}
 
+	// Restore the type for integer fields after esc_attr().
+	if ( in_array( $field, $int_fields, true ) ) {
+		$value = (int) $value;
+	}
+
 	return $value;
 }