1.卸载历史PHP ~~~ yum -y remove php* ~~~ 2.更改yum源 ~~~ rpm -Uvh https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm rpm -Uvh https://mirror.webtatic.com/yum/el7/webtatic-release.rpm ~~~ 3.yum 安装php72 ~~~ yum -y install php72w php72w-cli php72w-common php72w-devel php72w-embedded php72w-fpm php72w-gd php72w-mbstring php72w-mysqlnd php72w-opcache php72w-pdo php72w-xml ~~~ 4.安装解压 ~~~ yum install -y tar ~~~ ~~~ yum -y install bzip2 ~~~ 5.解压文件 ~~~ tar jxvf phantomjs-2.1.1-linux-x86_64.tar.bz2 ~~~ 6.挂机后台运行 ~~~ nohup sh b.sh & ~~~