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PHP Filter Dangerous HTML code function sharing

Source: Internet
Author: User
Developer on Alibaba Coud: Build your first app with APIs, SDKs, and tutorials on the Alibaba Cloud. Read more ＞
Use PHP to filter the code in HTML that might be exploited to introduce external dangerous content. Sometimes, you need to let users submit HTML content in order to enrich the information that users post, of course, some may cause the Display page layout Confusion of code is also within the scope of filtering. 



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