From b01b7c0c065b2f8965d946c1cc0f81f7f47c4a0f Mon Sep 17 00:00:00 2001
From: Peter Spicer <peter.spicer@catalyst-eu.net>
Date: Thu, 9 Jan 2020 13:03:54 +0000
Subject: [PATCH] Also inject analytics with headers, not just in footer

The current before_footer hook works great for Google Analytics,
but isn't 100% consistent for Piwik as usually the page has
often rendered the header by that time.

Change-Id: Ifac6917818e33db022e1a5522a58b229a9e3e369
---
 lib.php | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/lib.php b/lib.php
index facebdd..bb4dfb4 100644
--- a/lib.php
+++ b/lib.php
@@ -37,3 +37,11 @@
 function local_analytics_before_footer() {
     injector::inject();
 }
+
+/**
+ * Output callback, available since Moodle 3.3
+ *
+ */
+function local_analytics_before_http_headers() {
+    injector::inject();
+}
\ No newline at end of file