Solution:
Click on the little head in the lower right corner, and then move the pointer to NONE.
This is obviously not an html tag, it belongs to the json data format. It is just written in the script tag of the html page, and it is also mixed too dirty. Generally, the background php only provides data output, so it is best not to Put PHP logic on the front end, and your eyebrows and beard will be scratched. . .
Why embed php in json? Just write the json and use php to read it