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-rw-r--r--config/config.sample.php3
1 files changed, 2 insertions, 1 deletions
diff --git a/config/config.sample.php b/config/config.sample.php
index 4646de33082..d106d03f602 100644
--- a/config/config.sample.php
+++ b/config/config.sample.php
@@ -1062,7 +1062,8 @@ $CONFIG = array(
* Only for use with Redis Clustering, for Sentinel-based setups use the single
* server configuration above, and perform HA on the hostname.
*
- * Redis Cluster support requires the php module phpredis in version 3.0.0 or higher.
+ * Redis Cluster support requires the php module phpredis in version 3.0.0 or
+ * higher for PHP 7+ or phpredis in version 2.2.8 for PHP 5.6.
*
* Available failover modes:
* - \RedisCluster::FAILOVER_NONE - only send commands to master nodes (default)