centos下安装composer

1、创建目录

2、对应下载到该目录，命令：curl -sS https://getcomposer.org/installer | php

3、移动phpr  mv composer.phar /usr/local/bin/composer    

4、echo "export PATH=$PATH:/usr/local/bin" >> /etc/bashrc  

5、 source /etc/bashrc  

6、 composer -v