CentOS 7 安裝 PHP 7.x

1.更新軟體來源：
# wget https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
# wget http://rpms.remirepo.net/enterprise/remi-release-7.rpm
# rpm -Uvh remi-release-7.rpm
# rpm -Uvh epel-release-latest-7.noarch.rpm

2.指定 PHP 安裝版本(7.0、7.1、7.2)
# yum-config-manager --enable remi-php70
# yum-config-manager --enable remi-php71
# yum-config-manager --enable remi-php72

若用yum-config-manager出現command not found
可先用 yum search 查詢在那個套件再安裝
# yum search yum-config-manager
# yum install yum-utils

3.安裝PHP7.X
# yum install -y php php-mysqlnd php-pdo php-xml php-pear php-devel php-mbstring re2c gcc-c++ gcc

4.檢查PHP版本
# php -v