ACF relationship

<?php


    /** PHPExcel_IOFactory */
    include $_SERVER["DOCUMENT_ROOT"].'/_excel_import_export/Classes/PHPExcel/IOFactory.php';
    //$inputFileName = 'dogeductus_import.xlsx';
    $inputFileName = $_SERVER["DOCUMENT_ROOT"].'/_excel_import_export/test.xlsx';
    $objPHPExcel = PHPExcel_IOFactory::load($inputFileName);
    $sheetData = $objPHPExcel->getActiveSheet()->toArray(null,true,true,true);


    echo "<div style=''>";

    foreach ($sheetData as $sheetDataRow)
    {
        if($sheetDataRow["A"] != "") {
            echo "<br><br>".$sheetDataRow["A"];

        // Skapa Modul
            $post_module_id = get_page_by_title($sheetDataRow["C"], ARRAY_A, 'module'); // Viktigt att det inte ligger något i trash för den får med trash i sökningen också
            if ($post_module_id == NULL) {
                $post_module = array(
                    'post_title'  => $sheetDataRow["C"], // Modulnamn
                    //'post_author' => $new_user_id,
                    'post_type'  => 'module',
                    'post_status' => "publish"
                );
                $post_module_id = wp_insert_post( $post_module );
                echo " Insert-post Module";
            }

        // Skapa Övning
            $post_exercise = array(
                'post_title'  => $sheetDataRow["B"], // Övningsnamn
                //'post_author' => $new_user_id,
                'post_type'  => 'exercise',
                'post_status' => "publish"
            );
            //var_dump($post);
            $post_id = wp_insert_post( $post_exercise );
            echo " Insert-post Exercise";

            update_field('field_544d33d862fab', $sheetDataRow["A"], $post_id); // DogID
            echo " DogID";

            update_field('field_5409c4a59ed5c', $sheetDataRow["G"], $post_id); // Förkunskaper
            echo " Förkunskaper";

            update_field('field_5409c423a08a1', $sheetDataRow["I"], $post_id); // Syfte
            echo " Syfte";

            update_field('field_5409c3be8da74', $sheetDataRow["J"], $post_id); // Beskrivning
            echo " Beskrivning";


            update_field('field_5409c615fee5b', $post_id, $post_module_id); // Modul
            update_field('field_5409e884a7aeb', $post_module_id, $post_id); // Övning/Modul
            echo " Modul";



            if($sheetDataRow["F"] == "Lätt") {
                update_field('field_5409c4f1805c3', "1", $post_id); // Svårighetsgrad
                echo " Svårighetsgrad Lätt";
            }
            if($sheetDataRow["F"] == "Medel") {
                update_field('field_5409c4f1805c3', "2", $post_id); // Svårighetsgrad
                echo " Svårighetsgrad Medel";
            }
            if($sheetDataRow["F"] == "Svår") {
                update_field('field_5409c4f1805c3', "3", $post_id); // Svårighetsgrad
                echo " Svårighetsgrad Svår";
            }



            $field_key = "field_54098e6377390";
            $value = get_field($field_key, $post_id);
            $value[] = array("field_54098e7c77391" => $sheetDataRow["H"]);
            update_field( $field_key, $value, $post_id );
            //update_field('field_54098e7c77391', $sheetDataRow["C"], $post_id); // Video 1
            echo " Video 1";




        // Kategorier / Taggar

            wp_set_object_terms( $post_id, $sheetDataRow["D"], 'exercise_main_categories' ); // Huvudgrupp
            echo " Huvudgrupp";

            wp_set_object_terms( $post_id, $sheetDataRow["E"], 'exercise_sub_categories' ); // Undergrupp
            echo " Undergrupp";

            $exercise_tags = array();
            if($sheetDataRow["K"] != "") $exercise_tags[] = $sheetDataRow["K"];
            if($sheetDataRow["L"] != "") $exercise_tags[] = $sheetDataRow["L"];
            if($sheetDataRow["M"] != "") $exercise_tags[] = $sheetDataRow["M"];
            if($sheetDataRow["N"] != "") $exercise_tags[] = $sheetDataRow["N"];
            if($sheetDataRow["O"] != "") $exercise_tags[] = $sheetDataRow["O"];
            if($sheetDataRow["P"] != "") $exercise_tags[] = $sheetDataRow["P"];
            if($sheetDataRow["Q"] != "") $exercise_tags[] = $sheetDataRow["Q"];

            wp_set_object_terms( $post_id, $exercise_tags, 'exercise_tags' ); // Taggar
            echo " Taggar";


        }
    }
    echo "</div>";

?>