From 1354e7e8c558dc9ae353e07b8cde7ab0d46e7a25 Mon Sep 17 00:00:00 2001
From: Kieran <kieran@supportpal.com>
Date: Sun, 28 Feb 2021 01:42:20 +0000
Subject: [PATCH] Fix "Parameter must be an array or an object that implements
 Countable" (#285)

---
 library/HTMLPurifier/Injector/Linkify.php | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/library/HTMLPurifier/Injector/Linkify.php b/library/HTMLPurifier/Injector/Linkify.php
index 74f83eaa..3b6d70f6 100644
--- a/library/HTMLPurifier/Injector/Linkify.php
+++ b/library/HTMLPurifier/Injector/Linkify.php
@@ -40,6 +40,9 @@ class HTMLPurifier_Injector_Linkify extends HTMLPurifier_Injector
             '/\\b((?:[a-z][\\w\\-]+:(?:\\/{1,3}|[a-z0-9%])|www\\d{0,3}[.]|[a-z0-9.\\-]+[.][a-z]{2,4}\\/)(?:[^\\s()<>]|\\((?:[^\\s()<>]|(?:\\([^\\s()<>]+\\)))*\\))+(?:\\((?:[^\\s()<>]|(?:\\([^\\s()<>]+\\)))*\\)|[^\\s`!()\\[\\]{};:\'".,<>?\x{00ab}\x{00bb}\x{201c}\x{201d}\x{2018}\x{2019}]))/iu',
             $token->data, -1, PREG_SPLIT_DELIM_CAPTURE);
 
+        if ($bits === false) {
+            return;
+        }
 
         $token = array();