PHPbcmath
下载地址
http://rpm.pbone.net/index.php3/stat/4/idpl/20284100/dir/scientific_linux_6/com/php-bcmath-5.3.3-22.el6.x86_64.rpm.html
PHPmbstring
下载地址
http://rpm.pbone.net/index.php3?stat=26&dist=74&size=464632&name=php-mbstring-5.3.3-22.el6.x86_64.rpm
rhel6.4 zabbix 安装时少的bcmath mbstring
原文：http://www.cnblogs.com/cool4ever/p/5190765.html