因為 Mantis 建議安裝 php7 但 CentOS 6.8 內建 php 只到 5.3.3 所以需另外安裝
rpm -Uvh https://dl.fedoraproject.org/pub/epel/epel-release-latest-6.noarch.rpm rpm -Uvh https://mirror.webtatic.com/yum/el6/latest.rpm yum install php70w php70w-opcache php70w-mysql php70w-gd php70w-mbstring php70w-soap php70w-xml