Update function location()

Passing no argument (or NULL) now causes this function to redirect to
the 'app-path' (current request page).  This is a way to reload the
current page.

1 files changed, 6 insertions, 3 deletions

diff --git a/app/class/globals.php b/app/class/globals.php
index ab82edd..c81c9a2 100644
--- a/app/class/globals.php
+++ b/app/class/globals.php
@@ -69,11 +69,14 @@ function redirect(string $url) : void
 
 /*
  * Redirect to the given in-app URL and die.  The given URL should be a path
- * relative to the app root.
+ * relative to the app root.  No argument reloads the current path.
  */
-function location(string $path) : void
+function location(?string $path = NULL) : void
 {
-    redirect(ar() . $path);
+    if ($path)
+        redirect(ar() . $path);
+    else
+        redirect(ap());
 }
 
 /*