原文链接：https://my.oschina.net/jiangbianwanghai/blog/473249

1.下载composer.phar 

[root#localhost opt]# curl -sS https://getcomposer.org/installer | php

2.把composer.phar移动到环境下让其变成可执行

[root@localhost opt]# mv composer.phar /usr/local/bin/composer

3.测试

[root@localhost opt]# composer -V
Composer version 1.0-dev (8775c948956c9e0e0a5fd723cd84c94b3ea3d7e9) 2015-07-01 09:29:53

Linux——搭建PHP开发环境第四步：composer