1.进入终端后查看PHP版本 [html] view plain copy php -v 输出可能如下: [html] view plain copy PHP 5.4.35 (cli) (built: Nov 14 2014 07:04:10) Copyright (c) 1997-2014 The PHP Group Zend Engine v2.6.0, Copyright (c) 1998-2015 Zend Technologies with Zend OPcache v7.0.4-dev, Copyright (c) 1999-2015, by Zend Technologies 2.执行下面的命令升级软件仓库 [html] view plain copy rpm -Uvh https://mirror.webtatic.com/yum/el7/epel-release.rpm [html] view plain copy rpm -Uvh https://mirror.webtatic.com/yum/el7/webtatic-release.rpm 3.执行下面的命令删除php [html] view plain copy yum remove php-common 然后像安装那样问你是否继续的,输入yes即可 4.安装php 5.6版本(php56w-devel这个不是必需的) [html] view plain copy yum install -y php56w php56w-opcache php56w-xml php56w-mcrypt php56w-gd php56w-devel php56w-mysql php56w-intl php56w-mbstring 5.重启httpd [html] view plain cop service httpd restart 然后查看最新的版本 [html] view plain copy php -v 现在应该是5.6了! 转自shiyang1231