![]() Given the severe security vulnerabilities in this small sample of the code, anything you've learned from that site is likely to be dangerously wrong. This is online Library Management service project.In this project, The management of library issue the books to the member. Secure Password Authentication Explained SimplyĪnd, as you've discovered, the code doesn't even handle basic database error checking correctly. That's particularly heinous, since PHP provides built-in functions to help you do the right thing with passwords. The code is also storing users' passwords in the database in plain text, which is absolutely the wrong thing to do. ![]() PHP: Prepared statements and stored procedures - Manual Within five minutes of making your site accessible to the public, your database will be stolen or vandalized. That code is vulnerable to SQL Injection. ![]() $res= mysqli_query($link, " select * from lib_registration where username='$_POST' & password= '$_POST' ") Wherever you got that code from, you should delete it, block the site, and forget everything you read there. " color: rgba(51, 51, 51, 1)">Invalid! Username Or Password.
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