如何在Google App Engine上启动PHP的Development Server

With reference to the PHP Hello World example, I have a command prompt window open in Windows7 in which I have entered
google_appengine\dev_appserver.py --php_executable_path=C:\php\php-cgi.exe C:\helloworld\
What it does is, it Opens up a dev_appserver.py in a text editor, and in browser for http://localhost:8080 I am getting error msg
The path specified with the --php_exectuable_path flag () does not exist. Does anyone please know how to fix this. Eagerly waiting for the answer

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Google App Engine PHP on windows

Try using quotes around your arguments or doing google_appengine\dev_appserver.py --php_executable_path=C:/php/php-cgi.exe C:/helloworld/