使用PHP交叉编译的THTTPD服务器运行正常，但没有PHP

We need some PHP on an ARM board. I've successfully cross-compiled both PHP 5 and THTTPD and they both seem to run fine on the ARM board, only the .php pages are shown unprocessed (if you do "View Source" in the web browser, you can see the PHP code).We need some PHP on an ARM board. I've successf