How can one ensure the security of PHP scripts, especially when dealing with sensitive information like login details?

To ensure the security of PHP scripts when dealing with sensitive information like login details, it is important to use secure coding practices such as input validation, data sanitization, and parameterized queries to prevent SQL injection attacks. Additionally, storing passwords securely using hashing algorithms like bcrypt and using HTTPS to encrypt data transmission can enhance security. 

<?php
// Example of securely hashing a password using bcrypt
$password = "secret_password";
$hashed_password = password_hash($password, PASSWORD_BCRYPT);

// Example of verifying a hashed password
$entered_password = "secret_password";
if (password_verify($entered_password, $hashed_password)) {
    echo "Password is correct!";
} else {
    echo "Password is incorrect!";
}
?>

Keywords

SQL injection password hashing HTTPS input validation cross-site scripting

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