1、安装php (编译安装)

 rpm -qa | grep php    检查是否安装,已安装则卸载
cd /tmp
wget    下载官网下载最新稳定版
tar -zxvf php-7.4.4.tar.gz
cd php-7.4.4
./configure --help  一定查看编译语法(不同版本不同编译，根据需要来，think you for using php即完成)
./configure --prefix=/usr/local/php --with-config-file-path=/etc --enable-fpm --with-fpm-user=nginx --with-fpm-group=nginx --enable-inline-optimization --disable-debug --disable-rpath --enable-shared  --enable-soap --with-xmlrpc --with-openssl --with-mhash --with-sqlite3 --with-zlib --enable-bcmath --with-iconv --with-bz2 --enable-calendar --with-curl --with-cdb --enable-dom --enable-exif --enable-fileinfo --enable-filter --enable-ftp --with-openssl-dir --with-zlib-dir --enable-gd-jis-conv --with-gettext --with-gmp --with-mhash --enable-json --enable-mbstring --enable-mbregex --enable-pdo --with-mysqli=mysqlnd --with-pdo-mysql=mysqlnd --with-zlib-dir --with-pdo-sqlite --with-readline --enable-session --enable-shmop --enable-simplexml --enable-sockets --enable-sysvmsg --enable-sysvsem --enable-sysvshm --with-xsl --with-zip --enable-mysqlnd-compression-support --with-pear --enable-opcache
make && make install
make test  

注：可能会遇到以下问题(编译就是遇到问题解决问题)

 问题1：No package ' openssl ' found
yum -y install unzip zip wget vim gcc-c++ libxml2 libxml2-devel openssl openssl-devel bzip2 bzip2-devel libcurl libcurl-devel libjpeg libjpeg-devel libpng libpng-devel freetype freetype-devel gmp gmp-devel libmcrypt libmcrypt-devel readline readline-devel libxslt libxslt-devel zlib zlib-devel pcre pcre-devel curl curl-devel libzip libzip-devel
问题2：No package 'oniguruma' found
yum install 
yum install 
问题3：Requested 'libzip >= 0.11' but version of libzip is 0.10.1
yum remove libzip libzip-devel
cd /tmp
wget 
tar -zxvf libzip-1.2.0.tar.gz
cd libzip-1.2.0
./configure
make && make install
export PKG_CONFIG_PATH="/usr/local/lib/pkgconfig/"
echo $PKG_CONFIG_PATH  

2、配置系统 环境变量

 vim /etc/profile
export PATH=/usr/local/php/bin:$PATH    新增一行 
sou rc e /etc/profile    立即生效
echo $PATH    退出重进,任意位置输入php -v  

3、配置php-fpm

 cp php.ini-production /etc/php.ini
cp sapi/fpm/init.d.php-fpm /etc/init.d/php-fpm
cp /usr/local/php/etc/php-fpm.conf.default /usr/local/php/etc/php-fpm.conf
cp /usr/local/php/etc/php-fpm.d/www.conf.default /usr/local/php/etc/php-fpm.d/www.conf
chmod +x /etc/init.d/php-fpm  

4、配置文件调优

 vim /etc/php.ini
memory_limit = 512M
post_max_size = 20M
upload_max_filesize = 20M  

5、新增www用户组

 groupadd www
useradd --shell /sbin/nologin -g www www
vim /usr/local/php/etc/php-fpm.d/www.conf
user = nginx--->www    修改用户为www
group = nginx-->www    修改用户组为www
/etc/init.d/php-fpm start|stop| restart     启动停止fpm服务  

6、开机自启

 vim /etc/rc.local
/etc/init.d/php-fpm start    新增一行 
chmod 755 /etc/rc.local