WordPress at a glance
function is not described

wp_cookie_constants() WP 3.0.0

Defines cookie related WordPress constants

Defines constants after multisite is loaded.

No Hooks.

Return

Nothing (null).

Usage

wp_cookie_constants();

Code of wp cookie constants: wp-includes/default-constants.php VER 5.0.3

<?php
function wp_cookie_constants() {
	/**
	 * Used to guarantee unique hash cookies
	 *
	 * @since 1.5.0
	 */
	if ( !defined( 'COOKIEHASH' ) ) {
		$siteurl = get_site_option( 'siteurl' );
		if ( $siteurl )
			define( 'COOKIEHASH', md5( $siteurl ) );
		else
			define( 'COOKIEHASH', '' );
	}

	/**
	 * @since 2.0.0
	 */
	if ( !defined('USER_COOKIE') )
		define('USER_COOKIE', 'wordpressuser_' . COOKIEHASH);

	/**
	 * @since 2.0.0
	 */
	if ( !defined('PASS_COOKIE') )
		define('PASS_COOKIE', 'wordpresspass_' . COOKIEHASH);

	/**
	 * @since 2.5.0
	 */
	if ( !defined('AUTH_COOKIE') )
		define('AUTH_COOKIE', 'wordpress_' . COOKIEHASH);

	/**
	 * @since 2.6.0
	 */
	if ( !defined('SECURE_AUTH_COOKIE') )
		define('SECURE_AUTH_COOKIE', 'wordpress_sec_' . COOKIEHASH);

	/**
	 * @since 2.6.0
	 */
	if ( !defined('LOGGED_IN_COOKIE') )
		define('LOGGED_IN_COOKIE', 'wordpress_logged_in_' . COOKIEHASH);

	/**
	 * @since 2.3.0
	 */
	if ( !defined('TEST_COOKIE') )
		define('TEST_COOKIE', 'wordpress_test_cookie');

	/**
	 * @since 1.2.0
	 */
	if ( !defined('COOKIEPATH') )
		define('COOKIEPATH', preg_replace('|https?://[^/]+|i', '', get_option('home') . '/' ) );

	/**
	 * @since 1.5.0
	 */
	if ( !defined('SITECOOKIEPATH') )
		define('SITECOOKIEPATH', preg_replace('|https?://[^/]+|i', '', get_option('siteurl') . '/' ) );

	/**
	 * @since 2.6.0
	 */
	if ( !defined('ADMIN_COOKIE_PATH') )
		define( 'ADMIN_COOKIE_PATH', SITECOOKIEPATH . 'wp-admin' );

	/**
	 * @since 2.6.0
	 */
	if ( !defined('PLUGINS_COOKIE_PATH') )
		define( 'PLUGINS_COOKIE_PATH', preg_replace('|https?://[^/]+|i', '', WP_PLUGIN_URL)  );

	/**
	 * @since 2.0.0
	 */
	if ( !defined('COOKIE_DOMAIN') )
		define('COOKIE_DOMAIN', false);
}