What is the correct way to set and replace cookies in PHP?

When setting or replacing cookies in PHP, it is important to use the setcookie() function with the correct parameters. To set a cookie, you need to provide at least the cookie name and value. If you want to replace an existing cookie, you can simply set a new cookie with the same name. Remember to set the expiration time if needed and make sure to call setcookie() before any output is sent to the browser. 

// Set a cookie
setcookie('user', 'John Doe', time() + 3600, '/');

// Replace an existing cookie
setcookie('user', 'Jane Smith', time() + 3600, '/');

Keywords

PHP cookies setcookie $_COOKIE replace cookies

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