centos下php安装apc支持，提高访问速度 apc安装
wget http://pecl.php.net/get/APC-3.1.9.tgztar zxvf APC-3.1.2.tgzcd APC-3.1.2//usr/local/php/bin/phpize./configure --enable-apc --enable-apc-mmap --with-php-config=/usr/local/php/bin/php-configmakemake install
