• 安装php依赖组件

yum -y install wget openssl* gcc gcc-c++ autoconf libjpeg libjpeg-devel libpng libpng-devel freetype freetype-devel libxml2 libxml2-devel zlib zlib-devel glibc glibc-devel glib2 glib2-devel bzip2 bzip2-devel ncurses ncurses-devel curl curl-devel e2fsprogs e2fsprogs-devel krb5 krb5-devel libidn libidn-devel openssl openssl-devel openldap openldap-devel nss_ldap openldap-clients openldap-servers make gd gd2 gd-devel gd2-devel libaio

• 下载

官网下载地址：http://php.net/downloads.php

• 解压并安装

#解压
tar -zxvf php-7.2.12.tar.gz
cd php-7.2.12

#安装
./configure --prefix=/usr/local/php --with-config-file-path=/usr/local/php/etc --with-iconv-dir --with-freetype-dir --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 --with-curlwrappers --enable-mbregex --enable-fpm --enable-mbstring --with-mcrypt --enable-ftp --with-gd --enable-gd-native-ttf --with-openssl --with-mhash --enable-pcntl --enable-sockets --with-xmlrpc --enable-zip --enable-soap --with-gettext --with-mysql=mysqlnd --with-mysqli=mysqlnd --with-pdo-mysql=mysqlnd
make && make install

• 扩展命令

#查看php.ini 目录
php -i |grep php.ini

#设置php为全局变量
vim /etc/profile
export PATH=$PATH:/usr/local/php/bin #添加到配置文件
source /etc/profile #配置文件修改，需要立即生效执行此命令