PHP 7.0是PHP的最新的稳定版本。流行的yum库为PHP 7提供的RPM软件包，本文使用
webtatic yum 资源库，已在CentOS 7服务器测试。本文将帮助你在CentOS和RedHat 7.1、6.7的服务器上安装PHP 7。
安装yum信息库
首先你需要在你的系统上启用Webtatic和EPEL Yum库。使用下面的命令在你的CentOS和Red Hat 7/6系统上安装EPEL库 使用此命令来安装EPEL版本yum软件库。
# yum install epel-release
现在执行下面的命令，按您的操作系统版本之一安装webtatic yum软件库。
CentOS/RHEL 7
# rpm -Uvh https://mirror.webtatic.com/yum/el7/webtatic-release.rpm
CentOS/RHEL 6
# rpm -Uvh https://mirror.webtatic.com/yum/el6/latest.rpm
安装PHP 7
使用以下命令在系统上安装PHP 7。
# yum install php70w
检验安装PHP版本
现在使用下面的命令来检查您的系统上安装PHP版本。
# php -v
PHP 7.0.0 (cli) (built: Dec 2 2015 20:42:32) ( NTS )
Copyright (c) 1997-2015 The PHP Group
Zend Engine v3.0.0, Copyright (c) 1998-2015 Zend Technologies
安装PHP模块
您可能还需要安装基于您的应用程序要求的其他PHP模块。以下命令将安装一些有用的PHP模块。
# yum install php70w-xml php70w-soap php70w-xmlrpc
# yum install php70w-mbstring php70w-json php70w-gd php70w-mcrypt
要了解其他可用的PHP模块使用下面的命令。
# yum search php70
php70w.x86_64 : PHP scripting language for creating dynamic web sites
php70w-bcmath.x86_64 : A module for PHP applications for using the bcmath library
php70w-cli.x86_64 : Command-line interface for PHP
php70w-common.x86_64 : Common files for PHP
php70w-dba.x86_64 : A database abstraction layer module for PHP applications
php70w-devel.x86_64 : Files needed for building PHP extensions
php70w-embedded.x86_64 : PHP library for embedding in applications
php70w-enchant.x86_64 : Enchant spelling extension for PHP applications
php70w-fpm.x86_64 : PHP FastCGI Process Manager
php70w-gd.x86_64 : A module for PHP applications for using the gd graphics library
php70w-imap.x86_64 : A module for PHP applications that use IMAP
php70w-interbase.x86_64 : A module for PHP applications that use Interbase/Firebird databases
php70w-intl.x86_64 : Internationalization extension for PHP applications
php70w-ldap.x86_64 : A module for PHP applications that use LDAP
php70w-mbstring.x86_64 : A module for PHP applications which need multi-byte string handling
php70w-mcrypt.x86_64 : Standard PHP module provides mcrypt library support
php70w-mysql.x86_64 : A module for PHP applications that use MySQL databases
php70w-mysqlnd.x86_64 : A module for PHP applications that use MySQL databases
php70w-odbc.x86_64 : A module for PHP applications that use ODBC databases
php70w-opcache.x86_64 : An opcode cache Zend extension
php70w-pdo.x86_64 : A database access abstraction module for PHP applications
php70w-pdo_dblib.x86_64 : MSSQL database module for PHP
php70w-pear.noarch : PHP Extension and Application Repository framework
php70w-pgsql.x86_64 : A PostgreSQL database module for PHP
php70w-phpdbg.x86_64 : Interactive PHP debugger
php70w-process.x86_64 : Modules for PHP script using system process interfaces
php70w-pspell.x86_64 : A module for PHP applications for using pspell interfaces
php70w-recode.x86_64 : A module for PHP applications for using the recode library
php70w-snmp.x86_64 : A module for PHP applications that query SNMP-managed devices
php70w-soap.x86_64 : A module for PHP applications that use the SOAP protocol
php70w-tidy.x86_64 : Standard PHP module provides tidy library support
php70w-xml.x86_64 : A module for PHP applications which use XML
php70w-xmlrpc.x86_64 : A module for PHP applications which use the XML-RPC protocol
