【1】页面之间无法传递变量 get,post,session在最新的php版本中自动全局变量是关闭的，所以要从上一页面取得提交过来得变量要使用$_GET['foo'],$_POST['foo'],$_SESSION['foo']来得到
当然也可以修改自动全局变量为开(php.ini改为register_globals = On)；考虑到兼容性，还是强迫自己熟悉新的写法比较好。
【2】Win32下apache2 用get方法传递中文参数会出错
test.php?a=你好&b=你也好
传递参数是会导致一个内部错误
解决办法:"test.php?a=".urlencode(你好)."&b=".urlencode(你也好)
.............
【3】win32下的session不能正常工作
php.ini默认的session.save_path = /tmp
这显然是linux下的配置，win32下php无法读写session文件导致session无法使用
把它改成一个绝对路径就可以了，例如session.save_path = c:windows emp
【4】显示错误信息
当php.ini的display_errors = On并且error_reporting = E_ALL时，将显示所有的错误和提示，调试的时候最好打开以便纠错，如果你用以前php写法错误信息多半是关于未定义变量的。变量在赋值以前调用会有提 示，解决办法是探测或者屏蔽
例如显示$foo，可以if(isset($foo)) echo $foo 或者echo @$foo
【5】Win32下mail()不能发送电子邮件
在linux下配置好的sendmail可以发送，在win32下需要调用smtp服务器来发送电子邮件
修改php.ini的SMTP = ip //ip是不带验证功能的smtp服务器(网上很难找到)
php发送邮件的最好解决方法是用socket直接发送到对方email服务器而不用转发服务器
【6】初装的mysql如果没有设置密码，应该使用
update mysql.user set password="yourpassword" where user="root"
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