How can a PHP developer check when a user last changed their password and prompt them to change it if it has been longer than 2 months?

To check when a user last changed their password and prompt them to change it if it has been longer than 2 months, the PHP developer can store a timestamp of the last password change in the user's database record. Then, when the user logs in, the developer can compare the current timestamp with the stored timestamp and prompt the user to change their password if the difference is greater than 2 months. 

// Assuming $lastPasswordChange is the timestamp of the last password change stored in the user's database record
$twoMonthsAgo = strtotime('-2 months');
$currentTimestamp = time();

if ($lastPasswordChange < $twoMonthsAgo) {
    // Prompt the user to change their password
    echo "It has been more than 2 months since you last changed your password. Please update your password.";
}

Keywords

PHP password expiration user authentication date comparison password change prompt

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