Exclude Ultimate Member pages from WP Rocket cache

um-wp-rocket.php

<?php
/**
 * Exclude Ultimate Member pages from WP Rocket cache
 * Add this to your theme's functions.php file or create a custom plugin
 */

/**
 * To disable WP Rocket cache for Ultimate Member pages.
 *
 * @return void
 */
function um_reject_wp_rocket_cache() {
    // Check if Ultimate Member is active
    if (!function_exists('um_get_core_page')) {
        return;
    }

    // Check if WP Rocket is active
    $active_plugins = get_option('active_plugins');
    if (!in_array('wp-rocket/wp-rocket.php', $active_plugins, true)) {
        return;
    }

    // Get Ultimate Member page slugs
    $um_pages = array();
    
    $members_page_url = um_get_core_page('members');
    $user_page_url = um_get_core_page('user');
    $account_page_url = um_get_core_page('account');
    
    // Extract slug from URL
    if ($members_page_url) {
        $slug = trim(parse_url($members_page_url, PHP_URL_PATH), '/');
        if (!empty($slug)) {
            $um_pages[] = $slug;
        }
    }
    if ($user_page_url) {
        $slug = trim(parse_url($user_page_url, PHP_URL_PATH), '/');
        if (!empty($slug)) {
            $um_pages[] = $slug;
        }
    }
    if ($account_page_url) {
        $slug = trim(parse_url($account_page_url, PHP_URL_PATH), '/');
        if (!empty($slug)) {
            $um_pages[] = $slug;
        }
    }

    // Get WP Rocket settings
    $options = get_option('wp_rocket_settings');
    $updated = false;

    // Add UM pages to URI exclusion
    if (isset($options['cache_reject_uri']) && is_array($options['cache_reject_uri'])) {
        foreach ($um_pages as $page_slug) {
            if (!empty($page_slug) && !in_array('/' . $page_slug . '/', $options['cache_reject_uri'], true)) {
                $options['cache_reject_uri'][] = '/' . $page_slug . '/';
                $updated = true;
            }
        }
        
        // Add wildcard patterns for user profiles and dynamic content
        $user_patterns = array(
            '/user/*',
            '/members/*',
            '/account/*'
        );
        
        foreach ($user_patterns as $pattern) {
            if (!in_array($pattern, $options['cache_reject_uri'], true)) {
                $options['cache_reject_uri'][] = $pattern;
                $updated = true;
            }
        }
    }
    
    // Add UM cookies to cache exclusion
    if (isset($options['cache_reject_cookies']) && is_array($options['cache_reject_cookies'])) {
        $um_cookies = array(
            'um_user_login',
            'wordpress_logged_in_',
            'wp-settings-'
        );
        
        foreach ($um_cookies as $cookie) {
            if (!in_array($cookie, $options['cache_reject_cookies'], true)) {
                $options['cache_reject_cookies'][] = $cookie;
                $updated = true;
            }
        }
    }
    
    // Update WP Rocket settings if changes were made
    if ($updated) {
        update_option('wp_rocket_settings', $options);
        
        // Clear WP Rocket cache if function exists
        if (function_exists('rocket_clean_domain')) {
            rocket_clean_domain();
        }
    }
}

// Run on admin init
add_action('admin_init', 'um_reject_wp_rocket_cache');

// Also run when Ultimate Member is activated
add_action('activated_plugin', function($plugin) {
    if (strpos($plugin, 'ultimate-member') !== false) {
        um_reject_wp_rocket_cache();
    }
});