Select Field with Toggle

with-toggle.php

'fields' => array(
	'module_layout' => array(
		'type'    => 'select',
		'label'   => __( 'Module Layout', 'wds-beaver-builder' ),
		'default' => 'fifty-image-text',
			'options' => array(
				'fifty-image-text' => __( 'Image/Text', 'wds-beaver-builder' ),
				'fifty-text-image' => __( 'Text/Image', 'wds-beaver-builder' ),
				'fifty-text-text'  => __( 'Text/Text', 'wds-beaver-builder' ),
			),
			'toggle'  => array(
				'fifty-image-text' => array(
					'sections' => array( 'image_text_fields' ),
				),
				'fifty-text-image' => array(
					'sections' => array( 'text_image_fields' ),
				),
				'fifty-text-text'  => array(
					'sections' => array( 'text_text_fields' ),
				),
			),
		),
	),