Initialize agg_op_len to zero

Author: michael-grunder

redis.c

@@ -4363,7 +4363,7 @@ PHPAPI void generic_z_command(INTERNAL_FUNCTION_PARAMETERS, char *command, int c
     smart_str cmd = {0};
     HashPosition ptr;
     char *store_key, *agg_op = NULL;
-    int cmd_arg_count = 2, store_key_len, agg_op_len, keys_count;
+    int cmd_arg_count = 2, store_key_len, agg_op_len = 0, keys_count;
 
     // Grab our parameters
     if(zend_parse_method_parameters(ZEND_NUM_ARGS() TSRMLS_CC, getThis(), "Osa|a!s",