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SQL code: Upload Copy Format Clear

<?php session_start(); if (!isset($_SESSION["username"])) { header("location: login.html"); } ?> <!DOCTYPE html> <html lang="en"> <head>  </head> <body> <header> <h1>Welcome, <?php echo $_SESSION["username"]; ?></h1> </header> <nav>  </nav> <section>  </section> <footer> <p>© 2023 Your Website</p> </footer> </body> </html>

SQL Server: Preserve result

Result: Copy Clear

PHP code: Copy Format Clear

<?php session_start(); include("config.php"); if ($_SERVER["REQUEST_METHOD"] == "POST") { $username = $_POST["username"]; $password = $_POST["password"]; $sql = "SELECT * FROM users WHERE username='$username' AND password='$password'"; $result = $conn->query($sql); if ($result->num_rows == 1) { $_SESSION["username"] = $username; header("location: dashboard.php"); } else { echo "Invalid username or password"; } } $conn->close(); ?>

PHP version:

Show: Warnings Notice

Result: Copy Clear

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PHP versions: PHP 5.6, PHP 7.4, PHP 8.0, PHP 8.1, PHP 8.2.13
RDBMS versions: MariaDB 11.4, MariaDB 11.5, MariaDB 10, MariaDB 10 Sakila (ReadOnly), MySQL 5.7, MySQL 5.7 Sakila (ReadOnly), MySQL 8.0, MySQL 8.0 Sakila (ReadOnly), SQLite 3, SQLite 3 Preloaded, PostgreSQL 10 Bookings (ReadOnly), PostgreSQL 11, PostgreSQL 12, PostgreSQL 13, PostgreSQL 14, PostgreSQL 15, MS SQL Server 2017, MS SQL Server 2019, MS SQL Server 2022, MS SQL Server 2022 AdventureWorks (ReadOnly), Firebird 4.0, Firebird 4.0 (Employee), Oracle Database 19c (HR), Oracle Database 21c, Oracle Database 23c Free, SOQOL

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