找不到5.3remi源的朋友可以按照以下方法安裝5.3,安裝之前先卸載掉5.4以及對應擴展(注意安裝順序)
rpm -Uvh http://repo.webtatic.com/yum/centos/5/x86_64/php-common-5.3.27-2.w5.x86_64.rpm
rpm -Uvh http://repo.webtatic.com/yum/centos/5/x86_64/php-fpm-5.3.27-2.w5.x86_64.rpm
rpm -Uvh http://repo.webtatic.com/yum/centos/5/x86_64/php-cli-5.3.27-2.w5.x86_64.rpm
rpm -Uvh http://repo.webtatic.com/yum/centos/5/x86_64/php-pdo-5.3.27-2.w5.x86_64.rpm
rpm -Uvh http://repo.webtatic.com/yum/centos/5/x86_64/php-mysql-5.3.27-2.w5.x86_64.rpm
rpm -Uvh http://repo.webtatic.com/yum/centos/5/x86_64/php-gd-5.3.27-2.w5.x86_64.rpm
rpm -Uvh http://repo.webtatic.com/yum/centos/5/x86_64/php-xml-5.3.27-2.w5.x86_64.rpm
rpm -Uvh http://repo.webtatic.com/yum/centos/5/x86_64/php-xmlrpc-5.3.27-2.w5.x86_64.rpm
rpm -Uvh http://repo.webtatic.com/yum/centos/5/x86_64/php-mbstring-5.3.27-2.w5.x86_64.rpm
rpm -Uvh http://repo.webtatic.com/yum/centos/5/x86_64/php-mcrypt-5.3.27-2.w5.x86_64.rpm
rpm -Uvh http://repo.webtatic.com/yum/centos/5/x86_64/php-soap-5.3.27-2.w5.x86_64.rpm
rpm -Uvh http://repo.webtatic.com/yum/centos/5/x86_64/php-bcmath-5.3.27-2.w5.x86_64.rpm
rpm -Uvh http://repo.webtatic.com/yum/centos/5/x86_64/php-5.3.27-2.w5.x86_64.rpm
rpm -Uvh http://repo.webtatic.com/yum/centos/5/x86_64/php-devel-5.3.27-2.w5.x86_64.rpm
rpm -Uvh http://repo.webtatic.com/yum/centos/5/x86_64/php-eaccelerator-0.9.6.1-1.1.w5.x86_64.rpm
安裝memcache
yum install php-pear
rpm -Uvh http://repo.webtatic.com/yum/centos/5/x86_64/php-pecl-memcache-3.0.7-1.w5.x86_64.rpm
需要安裝memcached
yum install php-memcached.x86_64