centos7安装php7.4 1.安装EPEL软件包：yuminstall-yepel-release 2.安装remi源(安装后在/etc/yum.repos.d/下就有php源了)：yuminstall-yhttp://rpms.remirepo.net/enterprise/remi-release-7.rpm 3.安装yum扩展包：yuminstall-yyum-utils 4.安装及安装扩展yuminstall-yphp74 yuminstall-yphp74-php-fpmphp74-php-gdphp74-php-jsonphp74-php-mbstringphp74-php-...