Ticket #43638: 43638.patch

src/wp-includes/post.php

@@ -2029 +2029 @@
  *
  * @see sanitize_post_field()
  *
- * @param object|WP_Post|array $post    The Post Object or Array
+ * @param object|WP_Post|array $post    The Post Object or Array.
  * @param string               $context Optional. How to sanitize post fields.
  *                                      Accepts 'raw', 'edit', 'db', or 'display'.
  *                                      Default 'display'.
@@ -2037 +2037 @@
  *                              same type as $post).
  */
 function sanitize_post( $post, $context = 'display' ) {
+
+        /**
+         * Filters the post fields.
+         *
+         * @since 5.0.0
+         *
+         * @param object|WP_Post|array $post    The Post Object or Array.
+         * @param string               $context Optional. How to sanitize post fields.
+         *                                      Accepts 'raw', 'edit', 'db', or 'display'.
+         *                                      Default 'display'.
+         */
+        $post = apply_filters( 'sanitize_post', $post, $context );
+
         if ( is_object( $post ) ) {
                 // Check if post already filtered for this context.
                 if ( isset( $post->filter ) && $context == $post->filter ) {

tests/phpunit/tests/post.php

@@ -1354 +1354 @@
                 $this->assertEquals( $changeset_data, json_decode( get_post( $post_id )->post_content, true ) );
         }
 
+        /**
+         * Test 'sanitize_post' filter.
+         *
+         * @ticket 43638
+         */
+        public function test_sanitize_post_filter() {
+                add_filter( 'sanitize_post', array( $this, 'filter_sanitize_post' ), 10, 2 );
+                $post_id = wp_insert_post(
+                        array(
+                                'post_type' => 'post',
+                                'post_title' => 'Stuff and Things',
+                                'post_status' => 'draft'
+                        )
+                );
+                $post = get_post( $post_id );
+                $this->assertEquals( $post->post_title, 'Stuff and Things - draft' );
+                remove_filter( 'sanitize_post', array( $this, 'filter_sanitize_post' ), 10, 2 );
+        }
+
+        public function filter_sanitize_post( $post, $context ) {
+                if ( 'raw' === $context ) {
+                        return $post;
+                }
+                if ( $context === 'db' ) {
+                        if ( is_object( $post ) ) {
+                                $post->post_title .= ' - ' . $post->post_status;
+                        }
+                        else {
+                                $post['post_title'] .= ' - ' . $post['post_status'];
+                        }
+                }
+                return $post;
+        }
+
 }