Prepare editDocs and set multitv values

gistfile1.txt

<?php
$process = isset($process) ? $process : '';
$mode = isset($mode) ? $mode : '';
switch ($process) {
	case 'import':
		//обработчик импорта
		switch ($mode) {
			case 'upd':
				//обновляем ресурс
				$data['img'] = 'assets/images/products/' .  $data['art'] . '/' . $data['art'] . '.jpg';
				if($data['size']){
					$tvValue = array(
						'fieldValue' => [],
						'fieldSettings' => array("autoincrement" => 1)
					);					
					$s_arr = explode(",",trim($data['size']));
					if(count($s_arr)){
						foreach($s_arr as $one_size){
							$tvValue['fieldValue'][] = array(
								"value" => trim($one_size)
							);	
						}
						$data['size'] = json_encode($tvValue, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES );
						$data['color'] = mb_convert_encoding($data['color'], 'utf-8', mb_detect_encoding($data['color']));
					}
				}
				break;
			case 'new':
				//добавляем новый ресурс
				$data['img'] = 'assets/images/products/' .  $data['art'] . '/' . $data['art'] . '.jpg';

				if($data['size']){
					$tvValue = array(
						'fieldValue' => [],
						'fieldSettings' => array("autoincrement" => 1)
					);					
					$s_arr = explode(",",trim($data['size']));
					if(count($s_arr)){
						foreach($s_arr as $one_size){
							$tvValue['fieldValue'][] = array(
								"value" => trim($one_size)
							);	
						}
						$data['size'] = json_encode($tvValue, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES );	
					}
				}
				break;
			default:
				break;
		}
		break;
	case 'export':
		//обработчик экспорта
		//$data['pagetitle'] = 'export ' .  $data['pagetitle'];
		break;
	default:
		break;
}
return $data;