一、centos6安装php
1、添加源
rpm -Uvh https://dl.fedoraproject.org/pub/epel/epel-release-latest-6.noarch.rpm
rpm -Uvh https://mirror.webtatic.com/yum/el6/latest.rpm
2、安装PHP及扩展
yum install php71w php71w-fpm php71w-opcache php71w-mysqlndphp71w-bcmath php71w-gd php71w-mcrypt php71w-mbstring php71w-odbc php71w-xml php71w-cli php71w-common
注：可使用yum search php查找版本，然后按自己的需要来安装PHP版本
3、启动PHP
/etc/init.d/php-fpm start
二、centos7安装PHP
安装开始：
#rpm -Uvh https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
#rpm -Uvh https://mirror.webtatic.com/yum/el7/webtatic-release.rpm
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#yum install php70w.x86_64 php70w-cli.x86_64 php70w-common.x86_64 php70w-gd.x86_64 php70w-ldap.x86_64 php70w-mbstring.x86_64 php70w-mcrypt.x86_64 php70w-mysql.x86_64 php70w-pdo.x86_64
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#yum install php70w-fpm php70w-opcache
注：可使用yum search php查找版本，然后按自己的需要来安装PHP版本
#systemctl start php-fpm
#systemctl enable php-fpm
安装 php7.2
rpm -Uvh https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
rpm -Uvh https://mirror.webtatic.com/yum/el7/webtatic-release.rpm
yum install php72w php72w-cli php72w-common php72w-gd php72w-mbstring php72w-mcrypt php72w-mysqlnd php72w-xml php72w-fpm php72w-devel php72w-pdo php72w-pecl-redis php72w-opcache
安装php7.3
yum install epel-release
yum install http://rpms.remirepo.net/enterprise/remi-release-7.rpm
yum install -y php73-php-cli php73-php-common php73-php-devel php73-php-embedded php73-php-fpm php73-php-gd php73-php-mbstring php73-php-mysqlnd php73-php-pdo php73-php-opcache php73-php-xml php73-php-soap php73-php-bcmath php73-php-pecl-redis5 php73-php-pecl-imagick php73-php-pecl-zip php73-php-pecl-swoole4
ln -s /opt/remi/php73/root/usr/bin/php /usr/local/bin/php
systemctl start php73-php-fpm
systemctl enable php73-php-fpm
安装php7.4
yum install epel-release
yum install http://rpms.remirepo.net/enterprise/remi-release-7.rpm
yum install -y yum-utils
yum-config-manager --enable remi-php74
yum install -y php php-cli php-common php-devel php-embedded php-fpm php-gd php-mbstring php-mysqlnd php-pdo php-opcache php-xml php-soap php-bcmath php-pecl-redis6 php-pecl-imagick
systemctl start php-fpm
systemctl enable php-fpm
