What security considerations should be taken into account when storing passwords in a PHP application?

When storing passwords in a PHP application, it is crucial to hash the passwords using a strong hashing algorithm like bcrypt to protect them from unauthorized access. Additionally, it is recommended to salt the passwords before hashing to add an extra layer of security. Storing passwords securely helps prevent data breaches and ensures the privacy of users' sensitive information. 

// Hashing and salting a password before storing it
$password = 'user_password';
$salt = openssl_random_pseudo_bytes(16); // Generate a random salt
$hashed_password = password_hash($password . $salt, PASSWORD_BCRYPT);

// Verify password
if (password_verify($password . $salt, $hashed_password)) {
    // Password is correct
} else {
    // Password is incorrect
}

Keywords

password hashing salt bcrypt password_verify SQL injection

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