PHP6 mysql连接方式说明
mysqlnd是在PHP源码树中集成,与原先的libmysql不同,mysqlnd与内核联系更紧密.
官方说内存占用要节省40%左右.速度也更快.
顺便提一下.如果在升级到PHP5.3以后,数据库连接时出现mysql_connect()[2002] tcp://localhost:3306 的错误提示时.
需要将localhost改成127.0.0.1,或者将连接方式由tcp改为socket.
在使用phpmyadmin这类工具时,也可以按照上述方式修改config.inc.php
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