How can the use of addslashes in PHP scripts for user management be improved or replaced with more secure methods?

Using addslashes in PHP scripts for user management can be improved by using prepared statements with parameterized queries to prevent SQL injection attacks. Prepared statements separate SQL code from user input, making it impossible for malicious input to alter the SQL query. This method is more secure and recommended for handling user input in database operations. 

// Example of using prepared statements with parameterized queries for user management

// Assuming $conn is the database connection object

$username = $_POST['username'];
$password = $_POST['password'];

$stmt = $conn->prepare("SELECT * FROM users WHERE username = ?");
$stmt->bind_param("s", $username);
$stmt->execute();
$result = $stmt->get_result();

if ($result->num_rows > 0) {
    // User found
    // Perform further actions here
} else {
    // User not found
}

$stmt->close();
$conn->close();

Keywords

addslashes PHP scripts user management secure methods libraries

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