windows下运行php-cgi报错如下：
d:\php>php-cgi.exe -b 127.0.0.1:9000 -c php.ini
php warning: php startup: in unknown on line 0
warning: php startup: in unknown on line 0
php warning: php startup: in unknown on line 0
warning: php startup: in unknown on line 0
php warning: php startup: in unknown on line 0
解决方法：
这是php配置的问题，找开php.ini文件，找到“extension_dir”
;extension_dir = ./ 改为：extension_dir = d:/php/ext
注：更改为绝对路径即可；