环境：
直接升到最新版PHP5.6.x
刚才开MAC OS PHP 5.5 CENTOS PHP 5.5 composer install 依懒包错误。反复安装组件。还是不行。后来决定重新编释最新版 PHP5.6 在php 扩张地方通过了。
先安两个依懒包
$yum install libicu-devel -y $yum install libxslt-devel -y
./configure \'--prefix=/alidata/server/php\' \'--enable-opcache\' \'--with-config-file-path=/alidata/server/php/etc\' \'--with-mysql=mysqlnd\' \'--with-mysqli=mysqlnd\' \'--with-pdo-mysql=mysqlnd\' \'--enable-fpm\' \'--enable-static\' \'--enable-inline-optimization\' \'--enable-sockets\' \'--enable-wddx\' \'--enable-zip\' \'--enable-calendar\' \'--enable-bcmath\' \'--enable-soap\' \'--with-zlib\' \'--with-iconv=/usr/local\' \'--with-gd\' \'--with-xmlrpc\' \'--enable-mbstring\' \'--with-curl\' \'--enable-ftp\' \'--with-mcrypt\' \'--with-freetype-dir=/usr/local/freetype.2.1.10\' \'--with-jpeg-dir=/usr/local/jpeg.6\' \'--with-png-dir=/usr/local/libpng.1.2.50\' \'--disable-ipv6\' \'--disable-debug\' \'--with-openssl\' \'--disable-maintainer-zts\' \'--disable-fileinfo\' \'--enable-intl\' \'--enable-cgi\' \'--with-xsl\'
MAC OS 直接用brew 安装php56
需要的PHP扩展 http://devdocs.magento.com/guides/v2.0/install-gde/system-requirements.html
下载
https://www.magentocommerce.com/download?_ga=1.216763542.1009193077.1463466517
选择有测试数据的包
安装 composer
curl -sS https://getcomposer.org/installer | php mv composer.phar /usr/local/bin/composer
进入官网 注册用户
https://www.magentocommerce.com/magento-connect/customerdata/accessKeys/list/
生成 钥匙
（教程http://devdocs.magento.com/guides/v2.0/install-gde/prereq/connect-auth.html）
后面要求输用户与密码时 公钥是用户名，私钥是密码
进入程序目录
composer create-project --repository-url=https://repo.magento.com/ magento/project-community-edition
composer install