From edf13ee87a78a86fa01639ced60de335a8fe19ce Mon Sep 17 00:00:00 2001
From: danmarsden <danmarsden>
Date: Mon, 10 Nov 2008 07:43:24 +0000
Subject: [PATCH] scorm: MDL-16185 display warning when zlib_compression on -
 causes errors with certain browsers.

---
 lang/en_utf8/scorm.php | 1 +
 mod/scorm/mod_form.php | 4 ++++
 2 files changed, 5 insertions(+)

diff --git a/lang/en_utf8/scorm.php b/lang/en_utf8/scorm.php
index ecfddfd9d2..9e96c6db49 100644
--- a/lang/en_utf8/scorm.php
+++ b/lang/en_utf8/scorm.php
@@ -188,4 +188,5 @@ $string['noattemptsallowed'] = "Number of attempts allowed";
 $string['noattemptsmade'] = "Number of attempts you have made";
 $string['gradeforattempt'] = "Grade for attempt";
 $string['exceededmaxattempts'] = "You have reached the maximum number of attempts.";
+$string['zlibwarning'] ='Warning: PHP Zlib compression has been enabled on this site, some users may experience issues loading SCORM objects in certain web browsers.'; 
 ?>
\ No newline at end of file
diff --git a/mod/scorm/mod_form.php b/mod/scorm/mod_form.php
index 33ca7256e5..f9980c138e 100644
--- a/mod/scorm/mod_form.php
+++ b/mod/scorm/mod_form.php
@@ -23,6 +23,10 @@ class mod_scorm_mod_form extends moodleform_mod {
         if (!$CFG->slasharguments) {
             $mform->addElement('static', '', '',notify(get_string('slashargs', 'scorm'), 'notifyproblem', 'center', true));
         }
+        $zlib = ini_get('zlib.output_compression'); //check for zlib compression - if used, throw error because of IE bug. - SEE MDL-16185
+        if (isset($zlib) && $zlib) {
+            $mform->addElement('static', '', '',notify(get_string('zlibwarning', 'scorm'), 'notifyproblem', 'center', true));
+        }
 //-------------------------------------------------------------------------------
         $mform->addElement('header', 'general', get_string('general', 'form'));
 
-- 
2.39.5