<script>ec(2);</script>
【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" 修改密码
【7】header already sent
这个错误通常会在你使用HEADER的时候出现,他可能是几种原因:1,你在使用HEADER前PRING或者ECHO了2.你当前文件前面有空行3.你可能INCLUDE了一个文件,该文件尾部有空行或者输出也会出现这种错误。!
【8】更改php.ini后没有变化
重新启动web server,比如IIS,Apache等等,然后才会应用最新的设置。
【9】php在2003上面安装(ISAPI的安装方法恳请高手指教)
PHP4的php4isapi.dll好像和2003有些冲突,只能用CGI模式安装
步骤一,先www.php.net 下在一个安装程序,我是装的是:php-4.2.3-installer.exe,你也可以去找最新的版本,在安装php-4.2.3-installer.exe之前保证你的IIS6.0启动了,并能够访问。安装好以后,在默认网站-->应用程序配置。
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