Ticket #64362: 64362.diff

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

@@ -226 +226 @@
         public static function get_instance( $post_id ) {
                 global $wpdb;
 
+                $post_id = (int) $post_id;
+
+                /**
+                 * Filters the returned value for WP_Post::get_instance().
+                 *
+                 * Allows plugins and themes to provide their own faux or virtual WP_Post
+                 * objects before WordPress attempts any database lookups.
+                 *
+                 * Returning a non-null value will short-circuit the default database query
+                 * and return the provided object instead.
+                 *
+                 * @since 6.x.x
+                 *
+                 * @param WP_Post|object|null $pre      A custom/faux post object, or null to continue default behavior.
+                 * @param int                 $post_id  The requested post ID.
+                 */
+                $pre = apply_filters( 'pre_wp_post_get_instance', null, $post_id );
+
+                if ( null !== $pre ) {
+                        // Ensure result is a WP_Post object.
+                        if ( $pre instanceof WP_Post ) {
+                                return $pre;
+                        }
+
+                        // Convert stdClass/array to WP_Post.
+                        return new WP_Post( $pre );
+                }
+
+                // If pre-filter did not override, continue with normal logic.
+
                 $_post = wp_cache_get( $post_id, 'posts' );
 
                 if ( ! $_post ) {
@@ -248 +279 @@
                 }
 
                 return new WP_Post( $_post );
+
         }
 }