From 4c8de5fcfdfaa5b23e7a88a58cbfdca6ce97a4b1 Mon Sep 17 00:00:00 2001
From: rabuzarus <>
Date: Wed, 25 Jan 2017 13:10:42 +0100
Subject: [PATCH] limit the description of the meta tag to 160 characters in
 /mod/display

---
 mod/display.php | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/mod/display.php b/mod/display.php
index 115feb0ce5..adbe7c6761 100644
--- a/mod/display.php
+++ b/mod/display.php
@@ -425,6 +425,12 @@ function display_content(App $a, $update = 0) {
 		if ($title == "") {
 			$title = $author_name;
 		}
+
+		// Limit the description to 160 characters
+		if (strlen($description) > 160) {
+			$description = substr($description, 0, 157) . '...';
+		}
+
 		$description = htmlspecialchars($description, ENT_COMPAT, 'UTF-8', true); // allow double encoding here
 		$title = htmlspecialchars($title, ENT_COMPAT, 'UTF-8', true); // allow double encoding here
 		$author_name = htmlspecialchars($author_name, ENT_COMPAT, 'UTF-8', true); // allow double encoding here