Ticket #18561: 18561.get_template_part_slug.patch

wp-includes/general-template.php

@@ -111 +111 @@
  *
  * @uses locate_template()
  * @since 3.0.0
- * @uses do_action() Calls 'get_template_part{$slug}' action.
+ * @uses do_action() Calls 'get_template_part_{$slug}' and "get_template_part_{$slug}_after" actions.
  *
  * @param string $slug The slug name for the generic template.
  * @param string $name The name of the specialised template.
@@ -126 +126 @@
         $templates[] = "{$slug}.php";
 
         locate_template($templates, true, false);
+
+        do_action( "get_template_part_{$slug}_after", $slug, $name );
 }
 
 /**
+ * Determine the actual template part slug used by current theme
+ *
+ * Makes it easy for a plugin to hook into "get_template_part_{$slug}" or
+ * "get_template_part_{$slug}_after".
+ *
+ * @since 3.3.0
+ * @uses get_theme_support()
+ *
+ * @param string $slug The slug name for the generic template.
+ */
+function get_template_part_slug( $slug ) {
+        if ( ! current_theme_supports( 'template-parts' ) )
+                return false;
+
+        $template_parts = get_theme_support( 'template-parts' );
+
+        if ( isset( $template_parts[0][$slug] ) )
+                return $template_parts[0][$slug];
+
+        return false;
+}
+ 
+/**
  * Display search form.
  *
  * Will first attempt to locate the searchform.php file in either the child or