Are there any best practices for ensuring that cookies set in PHP have the desired expiration time?

When setting cookies in PHP, it's important to ensure that the expiration time is correctly configured to achieve the desired behavior. To set the expiration time of a cookie, you need to calculate the timestamp representing the desired expiration time and pass it as the third argument in the setcookie() function. 

// Set a cookie with an expiration time of 1 hour
$expiration_time = time() + 3600; // current timestamp + 1 hour
setcookie('cookie_name', 'cookie_value', $expiration_time);

Keywords

cookies PHP expiration time setcookie date/time manipulation

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