How to implement the restriction of PHP that pictures in HTML content must be on this site
This article mainly shows you the "PHP how to achieve restrictions on HTML content pictures must be this site", the content is easy to understand, clear, hope to help you solve your doubts, the following let the editor lead you to study and learn about "PHP how to achieve restrictions on HTML content pictures must be this site" this article.
The specific implementation methods are as follows:
1. The PHP code is as follows:
