View file File name : classes-transformer.php Content :<?php namespace Elementor\Modules\AtomicWidgets\PropsResolver\Transformers\Settings; use Elementor\Modules\AtomicWidgets\PropsResolver\Transformer_Base; use Elementor\Modules\AtomicWidgets\PropTypes\Classes_Prop_Type; if ( ! defined( 'ABSPATH' ) ) { exit; // Exit if accessed directly. } class Classes_Transformer extends Transformer_Base { public function transform( $value ) { if ( ! is_array( $value ) ) { throw new \Exception( 'Value must be an array, ' . gettype( $value ) . ' given.' ); } return implode( ' ', array_filter( $value ) ); } }