【PHP】阿里云升级PHP到5.5详解

目的

使用新版本PHP，提高代码执行效率

和线下环境的不同

数据库采用RDS服务，本地不需要安装MYSQL

使用缓存服务，需要安装官方的memcached扩展

需要安装的扩展

memcached,yar,memcached,apc,mycrypt

安装升级php

[root@iZ28vpjayxiZ ~]# yum remove php php-bcmath php-cli php-common php-devel php-fpm php-gd php-imap php-ldap php-mbstring php-mcrypt php-mysql php-odbc php-pdo php-pear php-pecl-igbinary php-xml php-xmlrpc[root@iZ28vpjayxiZ ~]# rpm -Uvh [root@iZ28vpjayxiZ ~]# yum install php55w php55w-bcmath php55w-cli php55w-common php55w-devel php55w-fpm php55w-gd php55w-imap php55w-ldap php55w-mbstring php55w-mcrypt php55w-mysql php55w-odbc php55w-pdo php55w-pear php55w-pecl-igbinary php55w-xml php55w-xmlrpc php55w-opcache php55w-intl php55w-pecl-memcache[root@iZ28vpjayxiZ ~]# service httpd restartStopping httpd:[ OK ]Starting httpd:[ OK ]

安装扩展MemcacheSASL

[root@iZ28vpjayxiZ html]# yum install gcc+ gcc-c++Loaded plugins: securitySetting up Install ProcessNo package gcc+ available.Package gcc-c++-4.4.7-11.el6.x86_64 already installed and latest versionNothing to do[root@iZ28vpjayxiZ html]# yum install cyrus-sasl-plain cyrus-sasl cyrus-sasl-devel cyrus-sasl-lib[root@iZ28vpjayxiZ ~]# wget https://launchpad.net/libmemcached/1.0/1.0.16/+download/libmemcached-1.0.16.tar.gz[root@iZ28vpjayxiZ ~]# tar zxvf libmemcached-1.0.16.tar.gz[root@iZ28vpjayxiZ ~]# cd libmemcached-1.0.16[root@iZ28vpjayxiZ libmemcached-1.0.16]# ./configure –prefix=/usr/local/libmemcached –enable-sasl* CPP Flags:-fvisibility=hidden * LIB Flags: * Assertions enabled:no * Debug enabled:no * Shared:yes * Warnings as failure:no * SASL support:yes * make -j:2 * VCS checkout:no[root@iZ28vpjayxiZ libmemcached-1.0.16]# make && make install[root@iZ28vpjayxiZ libmemcached-1.0.16]# cd ../[root@iZ28vpjayxiZ ~]# yum install zlib-develLoaded plugins: securitySetting up Install ProcessPackage zlib-devel-1.2.3-29.el6.x86_64 already installed and latest versionNothing to do[root@iZ28vpjayxiZ ~]# wget [root@iZ28vpjayxiZ ~]# tar zxvf memcached-2.1.0.tgz[root@iZ28vpjayxiZ ~]# cd memcached-2.1.0[root@iZ28vpjayxiZ memcached-2.1.0]# phpize[root@iZ28vpjayxiZ memcached-2.1.0]# ./configure –with-libmemcached-dir=/usr/local/libmemcached –enable-memcached-sasl[root@iZ28vpjayxiZ memcached-2.1.0]# make && make install最后修改php.ini文件（locate找该文件，yum安装的一般在/etc/php.ini 如果系统中有两套PHP环境，需找到使用OCS的PHP环境路径，，对应修改之），增加extension=memcached.somemcached.use_sasl = 1执行php –m |grep memcached 如显结果有 memcache 表示环境已支持memcache

yar

[root@iZ28vpjayxiZ ~]# pecl install channel://pecl.php.net/msgpack-0.5.5#修改php.ini 增加 extension=msgpack.so[root@iZ28vpjayxiZ ~]# pecl install yaryes#修改php.ini 增加 extension=yar.so#由于yar需要json支持，所以需要先加载json.so

人生谁无少年时，甜苦酸辛各自知。