sudo apt-get install software-properties-common python-software-properties

sudo add-apt-repository ppa:ondrej/php && sudo apt-get update

sudo apt-get -y install php7.2

如果之前有其他版本PHP，在这边禁用掉

sudo a2dismod php5
sudo a2enmod php7.2

安装常用扩展

sudo -y apt-get install php7.2-fpm php7.2-mysql php7.2-curl php7.2-json php7.2-mbstring php7.2-xml php7.2-intl

安装其他扩展（按需安装）

sudo apt-get install php7.2-gd
sudo apt-get install php7.2-soap
sudo apt-get install php7.2-gmp
sudo apt-get install php7.2-odbc
sudo apt-get install php7.2-pspell
sudo apt-get install php7.2-bcmath
sudo apt-get install php7.2-enchant
sudo apt-get install php7.2-imap
sudo apt-get install php7.2-ldap
sudo apt-get install php7.2-opcache
sudo apt-get install php7.2-readline
sudo apt-get install php7.2-sqlite3
sudo apt-get install php7.2-xmlrpc
sudo apt-get install php7.2-bz2
sudo apt-get install php7.2-interbase
sudo apt-get install php7.2-pgsql
sudo apt-get install php7.2-recode
sudo apt-get install php7.2-sybase
sudo apt-get install php7.2-xsl
sudo apt-get install php7.2-cgi
sudo apt-get install php7.2-dba
sudo apt-get install php7.2-phpdbg
sudo apt-get install php7.2-snmp
sudo apt-get install php7.2-tidy
sudo apt-get install php7.2-zip

作者：四魂の魊
来源：CSDN
原文：https://blog.csdn.net/qq_16885135/article/details/79747045
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