1、导入源或者安装epel7

    1. Webtatic EL7 for CentOS/RHEL 7:
    3. rpm -Uvh https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
    4. rpm -Uvh https://mirror.webtatic.com/yum/el7/epel-release.rpm
    6. Webtatic EL6 for CentOS/RHEL 6:
    8. rpm -Uvh https://dl.fedoraproject.org/pub/epel/epel-release-latest-6.noarch.rpm
    9. rpm -Uvh https://mirror.webtatic.com/yum/el6/latest.rpm
    12. yum install http://rpms.remirepo.net/enterprise/remi-release-7.rpm

    2、yum安装php73

    1. yum install -y php73-php-fpm php73-php-cli php73-php-bcmath php73-php-gd php73-php-json php73-php-mbstring php73-php-mcrypt php73-php-mysqlnd php73-php-opcache php73-php-pdo php73-php-pecl-crypto php73-php-pecl-mcrypt php73-php-pecl-geoip php73-php-recode php73-php-snmp php73-php-soap php73-php-xmll