Ticket #12998: is_child_theme.diff

wp-includes/theme.php

@@ -7 +7 @@
  */
 
 /**
+ * Whether a child theme is in use.
+ *
+ * @since 3.0.0
+ *
+ * @return bool true if a child theme is in use, false otherwise.
+ **/
+function is_child_theme() {
+        if ( TEMPLATEPATH !== STYLESHEETPATH )
+                return true;
+        else
+                return false;
+}
+
+/**
  * Retrieve name of the current stylesheet.
  *
  * The theme name that the administrator has currently set the front end theme