Monster Insight Code

// Code by MonsterInsights start.
function monsterinsights_custom_redirect_pageview() {

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

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

    $params = array(
        'page_location' => get_permalink( get_the_ID() ),
        'page_title'  => get_the_title( get_the_ID() ),
    );

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

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

    if ( ! empty( $dimensions ) && is_array( $dimensions ) ) {

        foreach ( $dimensions as $dimension ) {
            $value = '';

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

            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 ) {
                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 = get_the_date( 'c', get_the_ID() );
            }
            if ( ! empty( $value ) ) {
                $params[ $type ] = $value;
            }
        }
    }

    monsterinsights_mp_collect_v4( array(
        'events' => array(
            array(
                'name'   => 'page_view',
                'params' => $params,
            )
        )
    ) );
}

}
// Code by MonsterInsights end.

/* Redirects post to redirected url */
add_action(‘template_redirect’, ‘redirect_post_link’);
function redirect_post_link() {
if (is_singular(‘post’)):
global $post;
$link = get_field(‘original_url’, $post->ID);
//echo $post->ID;
if (isset($link) && $link != ”) {
//echo $link;
monsterinsights_custom_redirect_pageview(); // Here we added the GA4 tracking function.
wp_redirect(esc_url($link . ‘?utm_source=elinfonet’), 301);
exit;
}
endif;
}