Taxonomy: Avoid type error in wp_delete_object_term_relationships() when invalid taxonomy supplied.

Developed in WordPress/wordpress-develop#10621

Props owolter, westonruter.
Fixes #64406.

Built from https://develop.svn.wordpress.org/trunk@61376


git-svn-id: https://core.svn.wordpress.org/trunk@60688 1a063a9b-81f0-0310-95a4-ce76da25c4cd

Author: westonruter

wp-includes/taxonomy.php

@@ -1999,6 +1999,10 @@ function wp_delete_object_term_relationships( $object_id, $taxonomies ) {
 
 	foreach ( (array) $taxonomies as $taxonomy ) {
 		$term_ids = wp_get_object_terms( $object_id, $taxonomy, array( 'fields' => 'ids' ) );
+		if ( ! is_array( $term_ids ) ) {
+			// Skip return value in the case of an error or the 'wp_get_object_terms' filter returning an invalid value.
+			continue;
+		}
 		$term_ids = array_map( 'intval', $term_ids );
 		wp_remove_object_terms( $object_id, $term_ids, $taxonomy );
 	}

wp-includes/version.php

@@ -16,7 +16,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '7.0-alpha-61375';
+$wp_version = '7.0-alpha-61376';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.