How to prohibit direct access in php

php method to prohibit direct access to the page: 1. Open the php page that performs direct access; 2. Add the code "if( $_SERVER['HTTP_REFERER'] != $fromurl ){... }" will do.

#The operating environment of this article: Windows7 system, PHP7.1, Dell G3 computer.

How to prohibit direct access in php?

##The PHP page prohibits direct access/only allows access to the specified domain name:

Generally, users based on such requirements hope that a certain page does not want other people's articles to be accessed, or do not like others to directly open a certain php page, or this php is an execution program, and direct access will cause errors. In order to solve this problem problem, we need to prevent others from directly accessing the page, and can only access it from the URL specified by ourselves.

For example, the form handler page can only jump to this page after submitting data through the form form page. If you directly access the page without submitting the form, it will automatically redirect to the form page.

To achieve this, just add the following code to the header of the PHP page that prohibits direct access:

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