pflores.linkedcorp.net/frontend/cvfolio-theme/inc/visits.php

<?php

declare(strict_types=1);

function cvolio_should_track_visit(): bool
{
    if (is_admin() || wp_doing_ajax() || wp_doing_cron()) {
        return false;
    }

    if (! isset($_SERVER['REQUEST_METHOD']) || $_SERVER['REQUEST_METHOD'] !== 'GET') {
        return false;
    }

    if (is_user_logged_in() && current_user_can('manage_options')) {
        return false;
    }

    return is_front_page() || is_home() || is_singular();
}

function cvolio_track_visit(): void
{
    if (! cvolio_should_track_visit()) {
        return;
    }

    $requestUri = isset($_SERVER['REQUEST_URI']) ? sanitize_text_field(wp_unslash($_SERVER['REQUEST_URI'])) : '';
    $visitorHash = md5($requestUri . '|' . cvolio_get_client_ip() . '|' . gmdate('Y-m-d-H'));
    $transientKey = 'cvolio_visit_' . $visitorHash;

    if (get_transient($transientKey)) {
        return;
    }

    set_transient($transientKey, '1', HOUR_IN_SECONDS);

    $total = (int) get_option('cvolio_total_visits', 0);
    update_option('cvolio_total_visits', $total + 1, false);

    if (is_front_page()) {
        $frontPage = (int) get_option('page_on_front');
        if ($frontPage > 0) {
            $views = (int) get_post_meta($frontPage, '_cvolio_views', true);
            update_post_meta($frontPage, '_cvolio_views', $views + 1);
        }

        return;
    }

    $postId = get_queried_object_id();
    if ($postId > 0) {
        $views = (int) get_post_meta($postId, '_cvolio_views', true);
        update_post_meta($postId, '_cvolio_views', $views + 1);
    }
}
add_action('template_redirect', 'cvolio_track_visit');

function cvolio_get_client_ip(): string
{
    $keys = [
        'HTTP_X_FORWARDED_FOR',
        'HTTP_CLIENT_IP',
        'REMOTE_ADDR',
    ];

    foreach ($keys as $key) {
        if (! empty($_SERVER[$key])) {
            $value = explode(',', (string) $_SERVER[$key]);
            return trim($value[0]);
        }
    }

    return '0.0.0.0';
}

function cvolio_register_visits_dashboard_widget(): void
{
    wp_add_dashboard_widget(
        'cvolio_visits_widget',
        __('CVolio: Visitas', 'cvolio'),
        'cvolio_render_visits_dashboard_widget'
    );
}
add_action('wp_dashboard_setup', 'cvolio_register_visits_dashboard_widget');

function cvolio_render_visits_dashboard_widget(): void
{
    $total = (int) get_option('cvolio_total_visits', 0);
    $frontPage = (int) get_option('page_on_front');
    $frontViews = $frontPage > 0 ? (int) get_post_meta($frontPage, '_cvolio_views', true) : 0;
    ?>
    <div class="cvolio-visits-widget">
        <p><strong><?php esc_html_e('Visitas totales registradas:', 'cvolio'); ?></strong> <?php echo esc_html((string) $total); ?></p>
        <p><strong><?php esc_html_e('Visitas a la portada:', 'cvolio'); ?></strong> <?php echo esc_html((string) $frontViews); ?></p>
        <p><?php esc_html_e('El contador evita duplicados del mismo visitante en la misma URL durante una hora.', 'cvolio'); ?></p>
    </div>
    <?php
}

function cvolio_add_views_column(array $columns): array
{
    $columns['cvolio_views'] = __('Visitas', 'cvolio');
    return $columns;
}
add_filter('manage_pages_columns', 'cvolio_add_views_column');
add_filter('manage_posts_columns', 'cvolio_add_views_column');

function cvolio_render_views_column(string $column, int $postId): void
{
    if ($column !== 'cvolio_views') {
        return;
    }

    echo esc_html((string) ((int) get_post_meta($postId, '_cvolio_views', true)));
}
add_action('manage_pages_custom_column', 'cvolio_render_views_column', 10, 2);
add_action('manage_posts_custom_column', 'cvolio_render_views_column', 10, 2);