vi /etc/profile
export PATH=$PATH:/usr/local/php/bin
保存文件
执行命令 source /etc/profile 生效
通过echo $PATH 命令查看是否成功
[root@VM-4-2-centos myphp_bak]# echo $PATH
/usr/loca/php/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/usr/local/nginx/sbin/:/usr/local/mysql/bin:/root/bin:/usr/local/nginx/sbin/:/usr/local/mysql/bin:/usr/local/nginx/sbin/:/usr/local/mysql/bin:/usr/local/nginx/sbin/:/usr/local/mysql/bin:/usr/local/php/bin