Ticket #44005: 44005.1.diff

src/wp-admin/includes/file.php

@@ -36 +36 @@
         'single.php'            => __( 'Single Post' ),
         'page.php'              => __( 'Single Page' ),
         'front-page.php'        => __( 'Homepage' ),
+        'privacy-policy.php'    => __( 'Privacy Policy Page' ),
         // Attachments
         'attachment.php'        => __( 'Attachment Template' ),
         'image.php'             => __( 'Image Attachment Template' ),

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

@@ -326 +326 @@
         public $is_home = false;
 
         /**
+         * Signifies whether the current query is for the Privacy Policy page.
+         *
+         * @since 5.2.0
+         * @var bool
+         */
+        public $is_privacy_policy = false;
+
+        /**
          * Signifies whether the current query couldn't find anything.
          *
          * @since 1.5.0
@@ -463 +471 @@
                 $this->is_comment_feed      = false;
                 $this->is_trackback         = false;
                 $this->is_home              = false;
+                $this->is_privacy_policy        = false;
                 $this->is_404               = false;
                 $this->is_paged             = false;
                 $this->is_admin             = false;
@@ -998 +1007 @@
                                 $this->is_home       = true;
                                 $this->is_posts_page = true;
                         }
+
+                        if ( isset( $this->queried_object_id ) && $this->queried_object_id == get_option( 'wp_page_for_privacy_policy' ) ) {
+                                $this->is_privacy_policy = true;
+                        }
                 }
 
                 if ( $qv['page_id'] ) {
@@ -1006 +1019 @@
                                 $this->is_home       = true;
                                 $this->is_posts_page = true;
                         }
+
+                        if ( $qv['page_id'] == get_option( 'wp_page_for_privacy_policy' ) ) {
+                                $this->is_privacy_policy = true;
+                        }
                 }
 
                 if ( ! empty( $qv['post_type'] ) ) {
@@ -3878 +3895 @@
         }
 
         /**
+         * Is the query for the Privacy Policy page?
+         *
+         * This is the page which shows the Privacy Policy content of your site.
+         *
+         * Depends on the site's "Change your Privacy Policy page" Privacy Settings 'wp_page_for_privacy_policy'.
+         *
+         * This function will return true only on the page you set as the "Privacy Policy page".
+         *
+         * @see WP_Query::is_front_page()
+         *
+         * @since 5.2.0
+         *
+         * @return bool True, if Privacy Policy page.
+         */
+        public function is_privacy_policy() {
+                if ( get_option( 'wp_page_for_privacy_policy' ) && $this->is_page( get_option( 'wp_page_for_privacy_policy' ) ) ) {
+                        return true;
+                } else {
+                        return false;
+                }
+        }
+
+        /**
          * Is the query for an existing month archive?
          *
          * @since 3.1.0

src/wp-includes/post-template.php

@@ -603 +603 @@
         if ( is_home() ) {
                 $classes[] = 'blog';
         }
+        if ( is_privacy_policy() ) {
+                $classes[] = 'privacy-policy';
+        }
         if ( is_archive() ) {
                 $classes[] = 'archive';
         }

src/wp-includes/query.php

@@ -490 +490 @@
 }
 
 /**
+ * Determines whether the query is for the Privacy Policy page.
+ *
+ * The Privacy Policy page is the page that shows the Privacy Policy content of the site.
+ *
+ * is_privacy_policy() is dependent on the site's "Change your Privacy Policy page" Privacy Settings 'wp_page_for_privacy_policy'.
+ *
+ * This function will return true only on the page you set as the "Privacy Policy page".
+ *
+ * For more information on this and similar theme functions, check out
+ * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/
+ * Conditional Tags} article in the Theme Developer Handbook.
+ *
+ * @since 5.2.0
+ *
+ * @global WP_Query $wp_query Global WP_Query instance.
+ *
+ * @return bool
+ */
+function is_privacy_policy() {
+        global $wp_query;
+
+        if ( ! isset( $wp_query ) ) {
+                _doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1.0' );
+                return false;
+        }
+
+        return $wp_query->is_privacy_policy();
+}
+
+/**
  * Determines whether the query is for an existing month archive.
  *
  * For more information on this and similar theme functions, check out

src/wp-includes/template-loader.php

@@ -51 +51 @@
         elseif ( is_search() && $template = get_search_template() ) :
         elseif ( is_front_page() && $template = get_front_page_template() ) :
         elseif ( is_home() && $template = get_home_template() ) :
+        elseif ( is_privacy_policy() && $template = get_privacy_policy_template() ) :
         elseif ( is_post_type_archive() && $template = get_post_type_archive_template() ) :
         elseif ( is_tax() && $template = get_taxonomy_template() ) :
         elseif ( is_attachment() && $template = get_attachment_template() ) :

src/wp-includes/template.php

@@ -33 +33 @@
          * The last element in the array should always be the fallback template for this query type.
          *
          * Possible values for `$type` include: 'index', '404', 'archive', 'author', 'category', 'tag', 'taxonomy', 'date',
-         * 'embed', 'home', 'frontpage', 'page', 'paged', 'search', 'single', 'singular', and 'attachment'.
+         * 'embed', 'home', 'frontpage', 'privacypolicy', 'page', 'paged', 'search', 'single', 'singular', and 'attachment'.
          *
          * @since 4.7.0
          *
@@ -51 +51 @@
          * This hook also applies to various types of files loaded as part of the Template Hierarchy.
          *
          * Possible values for `$type` include: 'index', '404', 'archive', 'author', 'category', 'tag', 'taxonomy', 'date',
-         * 'embed', 'home', 'frontpage', 'page', 'paged', 'search', 'single', 'singular', and 'attachment'.
+         * 'embed', 'home', 'frontpage', 'privacypolicy', 'page', 'paged', 'search', 'single', 'singular', and 'attachment'.
          *
          * @since 1.5.0
          * @since 4.8.0 The `$type` and `$templates` parameters were added.
@@ -377 +377 @@
 }
 
 /**
+ * Retrieve path of Privacy Policy page template in current or parent template.
+ *
+ * The template hierarchy and template path are filterable via the {@see '$type_template_hierarchy'}
+ * and {@see '$type_template'} dynamic hooks, where `$type` is 'privacypolicy'.
+ *
+ * @since 3.0.0
+ *
+ * @see get_query_template()
+ *
+ * @return string Full path to front page template file.
+ */
+function get_privacy_policy_template() {
+        $templates = array( 'privacy-policy.php' );
+
+        return get_query_template( 'privacy_policy', $templates );
+}
+
+/**
  * Retrieve path of page template in current or parent template.
  *
  * The hierarchy for this template looks like: