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Source View: _wp_post_revision_fields

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Source View

Line Code
47       * and 'post_author'.
48       *
49       * @since 2.6.0
50       * @since 4.5.0 The `$post` parameter was added.
51       *
52       * @param array $fields List of fields to revision. Contains 'post_title',
53       *                      'post_content', and 'post_excerpt' by default.
54       * @param array $post   A post array being processed for insertion as a post revision.
55       */
56      $fields = apply_filters( '_wp_post_revision_fields', $fields, $post );
57
58      // WP uses these internally either in versioning or elsewhere - they cannot be versioned
59      foreach ( array( 'ID', 'post_name', 'post_parent', 'post_date', 'post_date_gmt', 'post_status', 'post_type', 'comment_count', 'post_author' ) as $protect ) {
60           unset( $fields[ $protect ] );
61      }
62
63      return $fields;
64 }
65