Allow PING to take an optional argument.

Addresses #1563

1 files changed, 1 insertions, 1 deletions

diff --git a/redis.c b/redis.c
index 1a11997c..65002191 100644
--- a/redis.c
+++ b/redis.c
@@ -1093,7 +1093,7 @@ PHP_METHOD(Redis, get)
  */
 PHP_METHOD(Redis, ping)
 {
-    REDIS_PROCESS_KW_CMD("PING", redis_empty_cmd, redis_ping_response);
+    REDIS_PROCESS_KW_CMD("PING", redis_opt_str_cmd, redis_read_variant_reply);
 }
 /* }}} */