function NMIC_limit_classes($oldclasses, $item)
{
// $oldclasses = array of classes WP wants to append; $item = WP $item object
// If there are any custom classes, push them into a new array
$custom = get_post_meta($item->ID, '_menu_item_classes', true);
// Avoid pushing any empty values into $newclasses array
if ($custom && $custom[0] && $custom[0] !== '') {
$newclasses = $custom;
}
// Get a slugified-version of the target page/post title
$current = NMIC_slugify_string($item->post_type === 'page' ? $item->post_title : $item->title);
// Push that title into the $newclasses array
$newclasses[] = $current;
// Grab the options object
$options = get_option('plugin_options');
// Loop through all the WP classes and push any that match the owner's list into the $newclasses array
foreach ($oldclasses as $class) {
$option = 'nmic_' . $class;
if (isset($options[$option]) && $options[$option]) {
$newclasses[] = $class;
}
}
// Return the new list of classes to WP
return $newclasses;
}
function NMIC_add_id_attribute( $id, $item ) {
// Add an ID to the nav item
return 'nav-'.NMIC_slugify_string($item->title);
}