Для чего группы полей?

 
<?php if (!empty($fields)) { ?>
 
		<?php $fields_fieldsets = cmsForm::mapFieldsToFieldsets($fields, function($field, $user) use ($item) {
			if (!$field['is_in_item'] || $field['is_system']) { return false; }
			if ((empty($item[$field['name']]) || empty($field['html'])) && $item[$field['name']] !== '0') { return false; }
			if ($field['groups_read'] && !$user->isInGroups($field['groups_read'])) { return false; }
			return true;
		} ); ?>
 
 
		<?php foreach ($fields_fieldsets as $fieldset) { ?>
 
		    <?php $is_field_group = !empty($ctype['options']['is_show_fields_group']) && $fieldset['title']; ?>
 
			<?php if ($is_field_group) { ?>
			<div class="field_group">
				<h4><?php html($fieldset['title']); ?></h4>
			<?php } ?>
 
				<?php if (!empty($fieldset['fields'])) { ?>
 
					<?php foreach ($fieldset['fields'] as $name => $field) { ?>
 
						<div class="field ft_<?php echo $field['type']; ?> f_<?php echo $field['name']; ?> <?php echo $field['options']['wrap_type']; ?>_field" <?php if($field['options']['wrap_width']){ ?> style="width: <?php echo $field['options']['wrap_width']; ?>;"<?php } ?>>
							<?php if ($field['options']['label_in_item'] != 'none') { ?>
								<div class="title_<?php echo $field['options']['label_in_item']; ?>"><?php html($field['title']); ?>: </div>
							<?php } ?>
							<div class="value"><?php echo $field['html']; ?></div>
						</div>
 
					<?php } ?>
 
				<?php } ?>
			<?php if ($is_field_group) { ?>
			</div>
			<?php } ?>
 
		<?php } ?>
 
	<?php } ?>