UPDATE: Read the solution here
5. Contact Form 7Contact Form 7 is a plug-in that allows you to create contact forms that make it easy for your users to send messages to your site. The plug-in was developed by Takayuki Miyoshi and lets you create multiple contact forms on the same site; it also integrates Akismet spam filtering and lets you customize the styling and fields that you want to use in the form. The plug-in provides CAPTCHA and Ajax submitting.
,更多细节参见51吃瓜
// We need access to the raw memory of the Wasm code, so
struct page_info *p;