How to implement database verification jump in php

php method to implement database verification jump: first create the login.html file; then create the doLogin.php file; then perform a null operation, and then perform verification code verification after passing it; and finally perform database verification.

The operating environment of this article: windows7 system, PHP7.1 version, DELL G3 computer

How does php achieve database verification jump?

Examples of PHP login verification function [user name, password, verification code, database, logged in verification, automatic login and logout, etc.]

The example in this article describes the PHP login verification function. Share it with everyone for your reference, the details are as follows:

Login interface

      
doLogin.php
      

      

      
logout.php
      

      

      
The implementation methods of verification code and database have been written before and will not be repeated here.
      
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PHP Video Tutorial"
      
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