# fluent-cart/1.6.4/boot/app.php

FluentCart A New Era of eCommerce – Faster, Lighter, and Simpler, version 1.6.4. 86 lines.

- Page: https://pluginprobe.com/plugins/fluent-cart/1.6.4/code/boot/app.php
- Raw: https://pluginprobe.com/plugins/fluent-cart/1.6.4/raw/boot/app.php
- Modified: 2026-04-07T13:41:30+00:00

Line numbers below start at 1. Link to a line or a range by appending a fragment to the
page URL, for example `https://pluginprobe.com/plugins/fluent-cart/1.6.4/code/boot/app.php#L10-L20`.

```php
<?php if ( ! defined( 'ABSPATH' ) ) exit; ?>
<?php

use FluentCart\Database\DBMigrator;
use FluentCart\Framework\Foundation\Application;
use FluentCart\App\Hooks\Handlers\ActivationHandler;
use FluentCart\App\Hooks\Handlers\DeactivationHandler;
use FluentCart\App\Services\Permission\PermissionManager;

return function ($file) {

    // $errorHandler = __DIR__ . "/error_handler.php";

    // if (0 !== error_reporting() && file_exists($errorHandler)) {
    //     require_once $errorHandler;
    // }

    $app = new Application($file);

    register_activation_hook($file, function ($networkwide = false) use ($app) {
        ($app->make(ActivationHandler::class))->handle($networkwide);
    });

    register_deactivation_hook($file, function () use ($app) {
        ($app->make(DeactivationHandler::class))->handle();
    });

    require_once(FLUENTCART_PLUGIN_PATH . 'boot/action_scheduler_loader.php');

    add_action('plugins_loaded', function () use ($app) {
        do_action('fluentcart_loaded', $app);

        (new FluentCart\App\Modules\Data\ProductDataSetup())->boot();

        add_action('init', function () use ($app) {

            // maybe database changes
            DBMigrator::maybeMigrateDBChanges();

            do_action('fluent_cart/init', $app);

            if (defined('DATABASE_TYPE') && DATABASE_TYPE === 'sqlite') {
                add_action('admin_notices', function () {
                    ?>
                    <div class="notice notice-warning">
                        <p><?php echo 'FluentCart requires MySQL/MariaDB database Engine. Looks like you are using sqlite database. FluentCart will not work on this site.'; ?></p>
                    </div>
                    <?php
                });
            }


        });

        if (defined('FLUENTCART_PRO_PLUGIN_VERSION')) {
            add_filter('fluent_cart/admin_notices', function ($notices) {
                if (FLUENTCART_MIN_PRO_VERSION !== FLUENTCART_PRO_PLUGIN_VERSION && version_compare(FLUENTCART_MIN_PRO_VERSION, FLUENTCART_PRO_PLUGIN_VERSION, '>')) {
                    if(!PermissionManager::userCan('is_super_admin')) {
                        return $notices;
                    }

                    $updateUrl = admin_url('plugins.php?s=fluent-cart&plugin_status=all&fluent-cart-pro-check-update=' . time());

                    $notices[] = [
                        'id'   => 'update_license',
                        'type' => 'core_update',
                        'html' => '<div>FluentCart Pro Plugin needs to be updated to the latest version. <a href="' . esc_url($updateUrl) . '">Click here to update</a></div>'
                    ];
                }
                return $notices;
            });
        }
    });


    add_action('wp_insert_site', function ($new_site) use ($app) {
        if (is_plugin_active_for_network('fluent-cart/fluent-cart.php')) {
            switch_to_blog($new_site->blog_id);
            ($app->make(ActivationHandler::class))->handle(false);
            restore_current_blog();
        }
    });

    return $app;
};

```