client_content_type

diff --git a/lib/php/page.php b/lib/php/page.php
index 9d279a672c4a408ab0d4ffd6e96e614486c42e59..de70903514397853b992792cf98f0d65f6f11e5c 100644 (file)
--- a/lib/php/page.php
+++ b/lib/php/page.php
@@ -216,7 +216,10 @@ class Page {
    * Return the head Accept from the client
    */
   function client_content_type() {
-    echo split(',', getallheaders()['Accept'])[0];
+    $headers = getallheaders();
+    if (!isset($headers['Accept'])) return '';
+    $v = split(',', $headers['Accept']);
+    return $v ? $v[0] : '';
   }
 
   function header($name,$value=null) {