Alter or hide order meta details in Invoice, Packing Slip & Delivery notes with Print Invoice, Packing Slip, Delivery Note & Label for WooCommerce

functions.php

//code snippet to replace meta key with value
add_filter('wf_pklist_modify_meta_data', 'wf_pklist_change_meta_data_label', 1);

function wf_pklist_change_meta_data_label($meta_data)
{
    //replace the array key value with your custom key value.
    $label_array = array(
        '_wcj_product_input_fields_local_1' => 'Global Desc',
        '_wcj_product_input_fields_global_1' => 'Local Desc'
    );
    $new_meta_data = array();
    foreach( $meta_data as $id => $value) {
        if(array_key_exists($id, $label_array)){
            $new_meta_data[$label_array[$id]] = $value;
        } else {
            $new_meta_data[$id] = $value;
        }
    }
    
    return $new_meta_data;
}


//code snippet to hide all meta keys
add_filter('wf_pklist_modify_meta_data', 'wf_pklist_change_meta_data_label', 1);

function wf_pklist_change_meta_data_label($meta_data)
{
    //replace the array key value with your custom key value.
    $label_array = array();
    return $label_array;
}