linux Centos安裝PHP7的方法：1、透過「yum -y install」指令安裝EPEL來源，REMI來源以及Yum來源管理工具；2、使用「yum -y」指令安裝PHP；3、檢視PHP安裝套件；4、修改php.ini配置；5、透過「systemctl restart php74-php-fpm」重新啟動「php74-php-fpm」即可。
本教學操作環境：CentOS 7系統、PHP7.4版、DELL G3電腦
linux Centos怎麼安裝PHP7？ LINUX (CentOS 7) 安裝PHP7.4
#提示：以下是本篇文章正文內容，下列案例可供參考
1、先安裝EPEL 來源
yum -y install epel-release
2.安裝REMI 來源
yum -y install http://rpms.remirepo.net/enterprise/remi-release-7.rpm
3.安裝Yum 來源管理工具
yum -y install yum-utils
# 1.安裝PHP
yum -y --enablerepo=remi install php74-php php74-php-fpm php74-php-bcmath php74-php-ctype php74-php-curl php74-php-dom php74-php-gd php74-php-hash php74-php-iconv php74-php-intl php74-php-mbstring php74-php-pdo_mysql php74-php-simplexml php74-php-soap php74-php-xsl php74-php-zip php74-php-xml php74-php-sockets php74-php-session php74-php-snmp php74-php-mysql php74-php-cli php74-php-json php74-php-mcrypt php74-php-mysqlnd php74-php-pecl-crypto php74-php-pecl-mcrypt php74-php-pecl-geoip php74-php-recode php74-php-xmll
2.重新啟動一下計算機，不然有可能無法啟動php
reboot
3.設定開機啟動、執行服務
systemctl start php74-php-fpm systemctl enable php74-php-fpm
1.查看PHP安裝套件
[root@VM-0-5-centos ~]# rpm -qa | grep php oniguruma5php-6.9.7.1-1.el7.remi.x86_64 php74-php-common-7.4.24-1.el7.remi.x86_64 php74-php-7.4.24-1.el7.remi.x86_64 php74-php-xml-7.4.24-1.el7.remi.x86_64 php74-php-pdo-7.4.24-1.el7.remi.x86_64 php74-php-pecl-mysql-1.0.0-0.23.20190415.d7643af.el7.remi.x86_64 php74-php-fpm-7.4.24-1.el7.remi.x86_64 php74-php-bcmath-7.4.24-1.el7.remi.x86_64 php74-php-pecl-recode-1.0.0~DEV.20190723-4.el7.remi.x86_64 php74-runtime-1.0-3.el7.remi.x86_64 php74-php-mysqlnd-7.4.24-1.el7.remi.x86_64 php74-php-pecl-crypto-0.3.2-1.el7.remi.x86_64 php74-php-soap-7.4.24-1.el7.remi.x86_64 php74-php-intl-7.4.24-1.el7.remi.x86_64 php74-php-pecl-zip-1.19.5-1.el7.remi.x86_64 php74-php-json-7.4.24-1.el7.remi.x86_64 php74-php-cli-7.4.24-1.el7.remi.x86_64 php74-php-sodium-7.4.24-1.el7.remi.x86_64 php74-php-pecl-geoip-1.1.1-11.el7.remi.x86_64 php74-php-snmp-7.4.24-1.el7.remi.x86_64 php74-php-pecl-mcrypt-1.0.4-1.el7.remi.x86_64 php74-php-gd-7.4.24-1.el7.remi.x86_64 php74-php-mbstring-7.4.24-1.el7.remi.x86_64
# 2 .找到：php74-php-fpm-7.4.24-1.el7.remi.x86_64安裝位置
[root@VM-0-5-centos ~]# rpm -ql php74-php-fpm-7.4.24-1.el7.remi.x86_64/etc/logrotate.d/php74-php-fpm/etc/opt/remi/php74/php-fpm.conf/etc/opt/remi/php74/php-fpm.d/etc/opt/remi/php74/php-fpm.d/www.conf/etc/opt/remi/php74/sysconfig/php-fpm/etc/systemd/system/php74-php-fpm.service.d/opt/remi/php74/root/usr/sbin/php-fpm/opt/remi/php74/root/usr/share/doc/php74-php-fpm-7.4.24/opt/remi/php74/root/usr/share/doc/php74-php-fpm-7.4.24/php-fpm.conf.default/opt/remi/php74/root/usr/share/doc/php74-php-fpm-7.4.24/www.conf.default/opt/remi/php74/root/usr/share/fpm/opt/remi/php74/root/usr/share/fpm/status.html/opt/remi/php74/root/usr/share/licenses/php74-php-fpm-7.4.24/opt/remi/php74/root/usr/share/licenses/php74-php-fpm-7.4.24/fpm_LICENSE/opt/remi/php74/root/usr/share/man/man8/php-fpm.8.gz/usr/lib/systemd/system/php74-php-fpm.service/var/opt/remi/php74/lib/php/opcache/var/opt/remi/php74/lib/php/session/var/opt/remi/php74/lib/php/wsdlcache/var/opt/remi/php74/log/php-fpm/var/opt/remi/php74/run/php-fpm
3.找出php.ini位置：
[root@localhost src]# find /etc/opt/remi/php74 -name php.ini/etc/opt/remi/php74/php.ini
4.編輯/etc/opt/remi/php74/php.ini，替換;cgi.fix_pathinfo=1 為cgi.fix_pathinfo=0 ;#
[root@localhost src]# vim /etc/opt/remi/php74/php.ini cgi.fix_pathinfo=0
# 5 .重啟php74-php-fpm
systemctl restart php74-php-fpm
6.更多操作
systemctl restart php74-php-fpm #重启 systemctl start php74-php-fpm #启动 systemctl stop php74-php-fpm #关闭 systemctl status php74-php-fpm #检查状态
1.建立php程式的軟連線
ln -s /opt/remi/php74/root/usr/bin/php /usr/bin/php
#2.修改rc檔 1.目前使用者的環境變數
#如果是使用bash作为shell vim ~/.bashrc #增加一行环境变量 export PATH=/opt/remi/php74/root/usr/bin:$PATH #刷新一下环境变量 source ~/.bashrc
2.修改全域環境變數
vim /etc/profile export PATH=/opt/remi/php74/root/usr/bin:$PATH
#查看PHP 驗證一下是否安裝成功：
[root@VM-0-5-centos ~]# php -v PHP 7.4.24 (cli) (built: Sep 21 2021 11:23:11) ( NTS )Copyright (c) The PHP Group Zend Engine v3.4.0, Copyright (c) Zend Technologies
#上面安裝的PHP 只是安裝了部分PHP 拓展，更多的軟體可見：
yum search php74
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