Are there any specific considerations to keep in mind when setting cookie expiration times in PHP?

When setting cookie expiration times in PHP, it's important to consider the time format and timezone to ensure the cookie expires at the correct time. It's also important to set the expiration time in UTC to avoid any timezone discrepancies. Additionally, make sure to handle any potential errors that may arise when setting the cookie expiration time. 

// Set cookie expiration time to 1 hour from the current time
$expiration_time = time() + 3600; // 3600 seconds = 1 hour

// Set cookie with expiration time in UTC
setcookie("cookie_name", "cookie_value", $expiration_time, '/', '', false, true);

Keywords

cookie expiration PHP setcookie function time format session management

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