wp_cookie_constants() WordPress Function

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 );
	}

	if ( ! defined( 'RECOVERY_MODE_COOKIE' ) ) {
		/**
		 * @since 5.2.0
		 */
		define( 'RECOVERY_MODE_COOKIE', 'wordpress_rec_' . COOKIEHASH );
	}
}