Change PING to ECHO to be compatible with old versions of Redis.

phpredis · Dec 7, 2019 · a5f9592 · a5f9592
1 parent 9dbde8d
commit a5f9592
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/library.c b/library.c
@@ -1812,7 +1812,7 @@ redis_sock_check_liveness(RedisSock *redis_sock)
     }
     gettimeofday(&tv, NULL);
     uniqid_len = snprintf(uniqid, sizeof(uniqid), "phpredis_pool:%08lx%05lx:%08" PRIx32, (long)tv.tv_sec, (long)tv.tv_usec, php_mt_rand());
-    redis_cmd_init_sstr(&cmd, 1, "PING", sizeof("PING") - 1);
+    redis_cmd_init_sstr(&cmd, 1, "ECHO", sizeof("ECHO") - 1);
     redis_cmd_append_sstr(&cmd, uniqid, uniqid_len);
     smart_string_0(&cmd);