fix potential fatal error

Author: tillkruss

CHANGELOG.md

@@ -1,5 +1,14 @@
 # Changelog
 
+## 1.4.1
+
+* Fixed potential fatal error related to `wp_suspend_cache_addition()`
+
+## 1.4.0
+
+* Added support for igbinary
+* Added support for `wp_suspend_cache_addition()`
+
 ## 1.3.9
 
 * Fixed `WP_REDIS_SHARDS` not showing up in server list

includes/object-cache.php

@@ -3,7 +3,7 @@
 Plugin Name: Redis Object Cache Drop-In
 Plugin URI: http://wordpress.org/plugins/redis-cache/
 Description: A persistent object cache backend powered by Redis. Supports Predis, PhpRedis, HHVM, replication, clustering and WP-CLI.
-Version: 1.4.0
+Version: 1.4.1
 Author: Till Krüss
 Author URI: https://till.im/
 License: GPLv3
@@ -581,7 +581,11 @@ public function replace($key, $value, $group = 'default', $expiration = 0)
      */
     protected function add_or_replace($add, $key, $value, $group = 'default', $expiration = 0)
     {
-        if ( $add && wp_suspend_cache_addition() ) {
+        $cache_addition_suspended = function_exists('wp_suspend_cache_addition')
+            ? wp_suspend_cache_addition()
+            : false;
+
+        if ( $add && $cache_addition_suspended ) {
             return false;
         }
 

readme.txt

@@ -4,7 +4,7 @@ Donate link: https://www.paypal.me/tillkruss
 Tags: redis, predis, phpredis, hhvm, pecl, caching, cache, object cache, performance, replication, clustering
 Requires at least: 3.3
 Tested up to: 5.0
-Stable tag: 1.4.0
+Stable tag: 1.4.1
 License: GPLv3
 License URI: http://www.gnu.org/licenses/gpl-3.0.html
 

redis-cache.php

@@ -3,7 +3,7 @@
 Plugin Name: Redis Object Cache
 Plugin URI: https://wordpress.org/plugins/redis-cache/
 Description: A persistent object cache backend powered by Redis. Supports Predis, PhpRedis, HHVM, replication, clustering and WP-CLI.
-Version: 1.4.0
+Version: 1.4.1
 Text Domain: redis-cache
 Domain Path: /languages
 Author: Till Krüss