1.下载安装包
http://cn2.php.net/distributions/php-7.2.4.tar.gz

2.安装依赖环境
yum install -y pcre-devel zlib-devel libxml2-devel openssl-devel bzip2 bzip2-devel curl-devel libjpeg-devel libpng libpng-devel libmcrypt-devel readline-devel libxslt libxslt-devel autoconf gcc-c++ freetype-devel libicu-devel libxml2 libxml2-devel

3.解压安装
tar -zxvf php-7.2.4.tar.gz

cd php-7.2.4

mkdir /usr/local/php

./configure --prefix=/usr/local/php --with-config-file-path=/usr/local/php/etc --enable-fpm --with-fpm-user=www --with-fpm-group=www --enable-mysqlnd --with-mysqli=mysqlnd --with-pdo-mysql=mysqlnd --with-iconv-dir --with-freetype-dir=/usr/local/freetype --with-jpeg-dir --with-png-dir --with-zlib --with-libxml-dir=/usr --enable-xml --disable-rpath --enable-bcmath --enable-shmop --enable-sysvsem --enable-inline-optimization --with-curl --enable-mbregex --enable-mbstring --enable-intl --enable-ftp --with-gd --with-openssl --with-mhash --enable-pcntl --enable-sockets --with-xmlrpc --enable-zip --enable-soap --with-gettext --disable-fileinfo --enable-opcache --with-xsl

make && make install

4.配置
#添加环境变量
echo 'PATH="/usr/local/php/bin:$PATH"'>> /etc/profile;source /etc/profile

#做软连接，计划任务需要
ln -s /usr/local/php/bin/php /usr/bin/php