我的php.ini 文件:
extension_dir = "C:/php4/extension/"

;extension=php_filepro.dll
extension=php_gd2.dll
;extension=php_gettext.dll

而在C:/php4/extension/目录下确实有php_gd2.dll这个文件

但每次运行php都显示:
UnKnown():unable to load danymic library 'C:/php4/extension\php_gd2_dll' -找不到指定的程序