在Linux系统上安装PHP7

cd /usr/local/src

wget https://www.php.net/distributions/php-7.4.22.tar.gz

tar -zxvf  php-7.4.22.tar.gz

sudo yum install libxml2-devel

sudo yum install curl-devel

sudo yum install sqlite-devel

sudo yum -y install libpng

sudo yum -y install libpng-devel

sudo yum -y install freetype-devel

sudo yum -y install postgresql-devel

sudo yum install -y libxslt-devel*

./configure --prefix=/usr/local/php --with-pdo-pgsql --with-zlib-dir --with-freetype-dir --enable-mbstring --with-libxml-dir=/usr --enable-soap --enable-calendar --with-curl --with-gd --with-pgsql --disable-rpath --enable-inline-optimization --with-zlib --enable-sockets --enable-sysvsem --enable-sysvshm --enable-pcntl --enable-mbregex --enable-exif --enable-bcmath --with-mhash --with-pcre-regex --with-pdo-mysql --with-mysqli --with-openssl --with-fpm-user=www --with-fpm-group=www --enable-ftp --with-gettext --with-xmlrpc --with-xsl --enable-opcache --enable-fpm --with-iconv --enable-fileinfo

yum install sqlite-devel

wget https://github.com/kkos/oniguruma/archive/v6.9.4.tar.gz -O oniguruma-6.9.4.tar.gz 

tar -xvf oniguruma-6.9.4.tar.gz

 cd oniguruma-6.9.4/

./autogen.sh

./configure --prefix=/usr --libdir=/lib64  //64位的系统一定要标识  --libdir=/lib64 否则还是不行
make && make install

make && make install

sudo ln -s /usr/local/php/bin/php /usr/bin/php

vi /home/www/.bash_profile   //编辑文件，添加以下全局变量

export PATH="/usr/local/php/bin:$PATH"

source ~/.bash_profile   

sudo cp /usr/local/php/etc/php-fpm.conf.default /usr/local/php/etc/php-fpm.conf


sudo cp /usr/local/php/etc/php-fpm.d/www.conf.default /usr/local/php/etc/php-fpm.d/www.conf

sudo vi /usr/local/php/etc/php-fpm.conf

pid = /usr/local/php/var/run/php-fpm.pid

mkdir -p /usr/local/php/var/run/

sudo cp /usr/local/src/php-7.4.22/sapi/fpm/init.d.php-fpm /etc/init.d/php-fpm

sudo chmod 755 /etc/init.d/php-fpm

sudo /etc/init.d/php-fpm start

sudo chkconfig --add php-fpm

sudo chkconfig php-fpm on

user  www www;
worker_processes  1;

#error_log  logs/error.log;
#error_log  logs/error.log  notice;
#error_log  logs/error.log  info;
#error_log  "pipe:rollback logs/error_log interval=1d baknum=7 maxsize=2G";

#pid        logs/nginx.pid;


events {
    worker_connections  1024;
}


http {
    include       mime.types;
    default_type  application/octet-stream;

    #log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
    #                  '$status $body_bytes_sent "$http_referer" '
    #                  '"$http_user_agent" "$http_x_forwarded_for"';

    #access_log  logs/access.log  main;
    #access_log  "pipe:rollback logs/access_log interval=1d baknum=7 maxsize=2G"  main;

    sendfile        on;
    #tcp_nopush     on;

    #keepalive_timeout  0;
    keepalive_timeout  65;

    #gzip  on;

    server {
        listen       80;
        server_name  192.168.3.81;

        #charset koi8-r;

        #access_log  logs/host.access.log  main;
        #access_log  "pipe:rollback logs/host.access_log interval=1d baknum=7 maxsize=2G"  main;

        location / {
            root   html;
            index  index.php index.html index.htm;
        }

        #error_page  404              /404.html;

        # redirect server error pages to the static page /50x.html
        #
        error_page   500 502 503 504  /50x.html;
        location = /50x.html {
            root   html;
        }

        # proxy the PHP scripts to Apache listening on 127.0.0.1:80
        #
        #location ~ \.php$ {
        #    proxy_pass   http://127.0.0.1;
        #}

        # pass the PHP scripts to FastCGI server listening on 127.0.0.1:9000
        #

        location ~ \.php(.*)$ {
            fastcgi_pass   127.0.0.1:9000;
            fastcgi_index  index.php;
            fastcgi_split_path_info  ^((?U).+\.php)(/?.+)$;
            fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name;
            fastcgi_param  PATH_INFO  $fastcgi_path_info;
            fastcgi_param  PATH_TRANSLATED  $document_root$fastcgi_path_info;
            include        fastcgi_params;
        }
        # pass the Dubbo rpc to Dubbo provider server listening on 127.0.0.1:20880
        #
        #location /dubbo {
        #    dubbo_pass_all_headers on;
        #    dubbo_pass_set args $args;
        #    dubbo_pass_set uri $uri;
        #    dubbo_pass_set method $request_method;
        #
        #    dubbo_pass org.apache.dubbo.samples.tengine.DemoService 0.0.0 tengineDubbo dubbo_backend;
        #}

        # deny access to .htaccess files, if Apache's document root
        # concurs with nginx's one
        #
        #location ~ /\.ht {
        #    deny  all;
        #}
    }

    # upstream for Dubbo rpc to Dubbo provider server listening on 127.0.0.1:20880
    #
    #upstream dubbo_backend {
    #    multi 1;
    #    server 127.0.0.1:20880;
    #}

    # another virtual host using mix of IP-, name-, and port-based configuration
    #
    #server {
    #    listen       8000;
    #    listen       somename:8080;
    #    server_name  somename  alias  another.alias;

    #    location / {
    #        root   html;
    #        index  index.html index.htm;
    #    }
    #}


    # HTTPS server
    #
    #server {
    #    listen       443 ssl;
    #    server_name  localhost;

    #    ssl_certificate      cert.pem;
    #    ssl_certificate_key  cert.key;

    #    ssl_session_cache    shared:SSL:1m;
    #    ssl_session_timeout  5m;

    #    ssl_ciphers  HIGH:!aNULL:!MD5;
    #    ssl_prefer_server_ciphers  on;

    #    location / {
    #        root   html;
    #        index  index.html index.htm;
    #    }
    #}

}

service nginx reload

<?php
phpinfo();
?>