Changeset 6652

Timestamp:

02/16/2018 02:22:58 AM (7 years ago)

Author:

obenland

Message:

Main: Add child page templates to page hierarchy.

H/t ocean90.
See #3046.

File:

• sites/trunk/wordpress.org/public_html/wp-content/themes/pub/wporg-main/functions.php (modified) (1 diff)

sites/trunk/wordpress.org/public_html/wp-content/themes/pub/wporg-main/functions.php

@@ -87 +87 @@
 
 /**
+ * Adds child-page-specific template name to page template hierarchy.
+ *
+ * @param array $templates A list of template candidates, in descending order of priority.
+ * @return array List of filtered template candidates.
+ */
+function child_page_templates( $templates ) {
+    $page = get_queried_object();
+
+    if ( $page->post_parent ) {
+        $parent = get_post( $page->post_parent );
+
+        // We want it before page-{page_name}.php but after {Page Template}.php.
+        $page_name_index = array_search( "page-{$page->post_name}.php", $templates );
+        $top             = array_slice( $templates, 0, $page_name_index );
+        $bottom          = array_slice( $templates, $page_name_index );
+
+        $templates = array_merge( $top, ["page-{$parent->post_name}-{$page->post_name}.php"], $bottom );
+    }
+
+    return $templates;
+}
+add_filter( 'page_template_hierarchy', __NAMESPACE__ . '\child_page_templates' );
+
+/**
  * Custom template tags.
  */