Create translations to original post (duplicate data). (Wordpress + Polylang)

setup-acf.php

add_filter('acf/save_post' , function($post_id) {
  //only want to modify events
  if(get_post_type($post_id) === 'event') {
    $post = get_post($post_id);
    $langs = ['en', 'fi', 'sv'];
    $currentLang = pll_current_language();
    $pagetranslations = [];

    for($i = 0; $i < count($langs); $i++) {
      if($langs[$i] == $currentLang) {
        unset($langs[$i]);
        break;
      }
    }

    //use same data to all languages
    $postData = [
      'post_title' => $post->post_title,
      'post_content' => $post->post_content,
      'post_status' => $post->post_status,
      'post_type' => $post->post_type,
      'post_author' => $post->post_author
    ];
    foreach($langs as $l) {
      $pid = wp_insert_post($postData);
      pll_set_post_language($pid, $l);
      $pagetranslations[$l] = $pid;
    }

    //also need to add original post to pageTranslations array
    pll_set_post_language($post_id, $currentLang);
    $pagetranslations[$currentLang] = $post_id;

    pll_save_post_translations($pagetranslations);  //complete!
  }
});