环境

Ubuntu 20.04

安装前准备

安装PHP软件依赖

sudo apt-get update
sudo apt-get install libxml2-dev
sudo apt-get install build-essential
sudo apt-get install openssl 
sudo apt-get install libssl-dev 
sudo apt-get install curl
sudo apt-get install libcurl4-gnutls-dev
sudo apt-get install libjpeg-dev
sudo apt-get install libpng-dev
sudo apt-get install libmcrypt-dev
sudo apt-get install libreadline6 libreadline6-dev
sudo apt-get install libsqlite3-dev
sudo apt-get install libzip-dev 

下载PHP源码

wget https://www.php.net/distributions/php-7.4.8.tar.gz

解压源码

tar -zxvf php-7.4.8.tar.gz

安装PHP

编译生成Makefile文件

./configure --prefix=/usr/local/php --enable-fpm --with-zip --with-mysqli --enable-gd \
--with-zlib --with-curl --enable-mbstring --enable-bcmath --disable-ctype --with-openssl \
--enable-tokenizer --enable-sockets

编译源码

make

安装php

sudo make install

配置环境变量

cd ~

sudo vi .profile

添加内容

PATH=$PATH:$HOME/bin
export PHTH
alias php=/usr/local/php/bin/php

环境变量生效

source ~/.profile

测试PHP

php -v