Couchbase 4.1.1 installed locally and on server but get different output from servers

Local:

root@goutham:/opt/couchbase/bin# php -i | grep couchbase -A3
PHP Warning:  Module 'json' already loaded in Unknown on line 0
couchbase

couchbase support => enabled
extension version => 2.2.2
libcouchbase runtime version => 2.6.2 (git: 788e1eeda075eddd8204ecc3fc5028add74e8074)
libcouchbase headers version => 2.6.2 (git: 788e1eeda075eddd8204ecc3fc5028add74e8074)

Directive => Local Value => Master Value
couchbase.log_level => WARN => WARN

ctype

--
PWD => /opt/couchbase/bin
LANG => en_IN
SHLVL => 1
SUDO_COMMAND => /bin/bash
--
_SERVER["PWD"] => /opt/couchbase/bin
_SERVER["LANG"] => en_IN
_SERVER["SHLVL"] => 1
_SERVER["SUDO_COMMAND"] => /bin/bash

Server:

root@intoweb:/opt/couchbase/bin# php -i | grep couchbase -A3
couchbase

Version => 2.1.0

--
PWD => /opt/couchbase/bin
LANG => en_GB.UTF-8
SHLVL => 1
HOME => /root
--
_SERVER["PWD"] => /opt/couchbase/bin
_SERVER["LANG"] => en_GB.UTF-8
_SERVER["SHLVL"] => 1
_SERVER["HOME"] => /root