Shortcode Category Menu With Post Object ACF

shortcode.php

<?php
function custom_taxonomer(){
    $wp_post_types = get_post_type();
    if($wp_post_types == 'product'){
        $languages  = [];
        $types      = [];
        echo '<h3>Documents</h3>';
        $documents  =   get_field('document_uploads');
        foreach ($documents as $key => $value) {
            $resource_language  =   wp_get_post_terms($value->ID, 'resource_language', true);
            array_push($languages, $resource_language[0]->name);

            $resource_type      =   wp_get_post_terms($value->ID, 'resource_type', true);
            array_push($types, $resource_type[0]->name);
        }
        array_unshift($languages, "English");
        $languages  = array_unique($languages);
        $types      = array_unique($types);
        
        foreach ($languages as $key => $language_value) {
            echo '<div class="language-area" style="margin-bottom:20px;">';
            echo '<strong>'.$language_value.'</strong><br><br>';
            foreach ($types as $key => $type_value) {

                $counter    =   0;
                foreach ($documents as $key => $value) {
                    $resource_language  =   wp_get_post_terms($value->ID, 'resource_language', true);
                    $resource_type      =   wp_get_post_terms($value->ID, 'resource_type', true);
                    if($language_value == $resource_language[0]->name && $type_value == $resource_type[0]->name){
                        $counter++;
                    }
                }

                if($counter > 0){
                    echo '<strong>- '.$type_value.'</strong><br>';
                    foreach ($documents as $key => $value) {
                        $resource_language  =   wp_get_post_terms($value->ID, 'resource_language', true);
                        $resource_type      =   wp_get_post_terms($value->ID, 'resource_type', true);
                        if($language_value == $resource_language[0]->name && $type_value == $resource_type[0]->name){
                            echo '-- <a href="'.get_permalink($value->ID).'" >'.$value->post_title.'</a><br>';
                        }
                    }
                }
            }
            echo '</div>';
        }
        
    }
}