Brother, after I pass the program written in php to the client, there are related problems that cannot be browsed, and the catalog cannot be browsed.

After I passed the program written in php to the customer, there was a problem that I could not browse, and the directory could not be browsed
After I passed the program written in php to the customer, there was a problem that I could not browse, and the directory could not be browsed, but the customer Has been set to 777 permission, still can not browse, please solve it. But php seems to be able to execute, but neither pictures nor css can be read
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Looks like apache configuration problem
The file does not give access
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It should be a configuration problem of nginx
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nginx needs to set up two directories, one for php scripts and another for html and css