Disable Drag and Drop Image Improved Plugin in WP-Admin for iOS Safari

<?php
/**
 * Plugin Name: Disable Drag and Drop Image Improved Plugin in WP-Admin for iOS Safari
 * this code snippet goes to wp-content/mu-plugins/disable-drag-and-drop.php file
 */

define('TARGET_PLUGIN_FILE', 'drag-drop-featured-image-improved/index.php');

// Helper function to detect iOS Safari
function is_ios_safari() {
    $user_agent = $_SERVER['HTTP_USER_AGENT'] ?? '';
    $is_ios = (bool) preg_match('/(iPhone|iPod|iPad)/i', $user_agent);
    $is_safari = (bool) preg_match('/Safari/i', $user_agent) && !preg_match('/(CriOS|FxiOS|EdgiOS|OPiOS|GSA)/i', $user_agent);

    return $is_ios && $is_safari;
}

// 1. FILTER ACTIVE PLUGINS FOR BOTH FRONTEND & WP-ADMIN
add_filter('option_active_plugins', function($plugins) {
    if (is_ios_safari()) {
        $key = array_search(TARGET_PLUGIN_FILE, $plugins);
        if ($key !== false) {
            unset($plugins[$key]);
            $plugins = array_values($plugins); // Re-index
        }
    }
    return $plugins;
});

// 2. ADMIN DEBUG MESSAGE (Shows banner at top of WP Admin screen on iOS Safari)
add_action('admin_notices', function() {
    if (is_ios_safari()) {
        echo '<div class="notice notice-warning"><p><strong>MU-Plugin Active:</strong> iOS Safari detected. Target plugin disabled for this session.</p></div>';
    }
});