安装方法参考：

http://php.net/manual/en/mongo.installation.php

tar驱动包链接：

github：驱动链接

pecl：http://pecl.php.net/package/mongo

rpm驱动包链接：http://downloads-distro.mongodb.org/repo/redhat/os/

Centos,RedHat推荐rpm

tar包的安装方法：

[root@localhost ]# tar -zxvf mongo-php-driver-1.5.8.tar.gz
[root@localhost ]# cd mongo-php-driver-1.5.8
找到自己安装的phpize（根据自己安装目录确定）
[root@ localhost mongo-php-driver-1.5.8]# /usr/local/php56/bin/phpize
Configuring for:
PHP Api Version:         20131106
Zend Module Api No:      20131226
Zend Extension Api No:   220131226
[root@localhost mongo-php-driver-1.5.8]#
./configure --enable-mongo=share --with-php-config=/usr/local/php56/bin/php-config
[root@localhost mongo-php-driver-1.5.8]# make
Build complete.
Don‘t forget to run ‘make test‘.
[root@ localhost mongo-php-driver-1.5.8]# make install
Installing shared extensions:     /usr/local/php56/lib/php/extensions/no-debug-non-zts-20131226/
说明安装成功 接下来配置php.ini
编辑php.ini 加入
extension=mongo.so
重启php-fpm
pkill php-fpm
/usr/local/php/sbin/php-fpm
验证：php –m
查看终端输出是否有mongo,有的话，证明OK

MongoDB PHP driver