monsterinsights_track_redirect_pageview_ga4.php

<?php

function monsterinsights_custom_redirect_pageview()
{

    if (function_exists('monsterinsights_get_uuid') && is_singular()) {

        if (!monsterinsights_track_user()) {
            return false;
        }

        $event = [
            'name' => 'page_view',
            'params' => [
                'page_location' => get_permalink(get_the_ID()),
                'page_title' => get_the_title(get_the_ID())
            ]
        ];

        $additional_params = [];

        $post_author = get_post_field('post_author', get_the_ID());

        $dimensions = monsterinsights_get_option('custom_dimensions', array());

        if (!empty($dimensions) && is_array($dimensions)) {
            // Sort by array key `id` value.
            $id = array();
            foreach ($dimensions as $key => $row) {
                if (empty($row['type']) || empty($row['id'])) {
                    unset($dimensions[$key]);
                    continue;
                }
                $id[$key] = $row['id'];
            }
            array_multisort($id, SORT_ASC, $dimensions);

            foreach ($dimensions as $dimension) {
                if (empty($dimension['type']) || empty($dimension['id'])) {
                    continue;
                }
                $type = $dimension['type'];
                $id = $dimension['id'];

                if ('author' === $type) {
                    $firstname = get_the_author_meta('user_firstname', $post_author);
                    $lastname = get_the_author_meta('user_lastname', $post_author);

                    if (!empty($firstname) || !empty($lastname)) {
                        $value = trim($firstname . ' ' . $lastname);
                    } else {
                        $value = 'user-' . get_the_author_meta('ID', $post_author);
                    }
                }

                if ('category' === $type) {
                    if (monsterinsights_is_wp_seo_active()) {
                        $main_category = get_post_meta(get_the_ID(), '_yoast_wpseo_primary_category', true);
                        if (!empty($main_category)) {
                            $main_category = get_category($main_category);
                            if (!empty($main_category->name)) {
                                $value = $main_category->name;
                            }
                        }
                    }

                    if (empty($value)) {
                        $categories = get_the_category(get_the_ID());

                        if ($categories) {
                            foreach ($categories as $category) {
                                $category_names[] = $category->slug;
                            }

                            $value = implode(',', $category_names);
                        }
                    }
                }

                if ('tags' === $type) {
                    $value = '';
                    if (is_single()) {
                        $value = 'untagged';
                        $tags = get_the_tags(get_the_ID());
                        if ($tags) {
                            $value = implode(',', wp_list_pluck($tags, 'name'));
                        }
                    }
                }

                if ('published_at' === $type) {
                    $value = $date = get_the_date('c', get_the_ID());
                }

                if (!empty($value)) {
                    $additional_params[$type] = $value;
                }
            }
        }

        $event['params'] = array_merge(
            $event['params'],
            $additional_params
        );

        $atts = array(
            'events' => [
                $event
            ]
        );

        monsterinsights_mp_collect_v4($atts);

    }

}

/* Redirects post to redirected url */
add_action('template_redirect', 'redirect_post_link');

if ( !function_exists('redirect_post_link') ) {
    function redirect_post_link()
        {
            if (is_singular('post')):
                global $post;
                $link = get_field('redirect_url', $post->ID);

                if (isset($link) && $link != '') {

                    monsterinsights_custom_redirect_pageview();
                    wp_redirect(esc_url($link . '?utm_source=elinfonet'), 301);
                    exit;
                }
            endif;
        }
}