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<?php
namespace Bitrix\Report\VisualConstructor\Helper;
/**
* Helper Class for working with categories of report, widget
* @package Bitrix\Report\VisualConstructor\Helper
*/
class Category
{
/**
* Build readable categories tree.
*
* @param \Bitrix\Report\VisualConstructor\Category[] $categories Categories collection.
* @param array $options Array of options.
* @param int $depth Service parameter, to calculate '-' count.
* @return array
*/
public static function getOptionsTree($categories, $options = array(), $depth = 0)
{
$prefix = str_repeat('-', $depth);
$depth++;
foreach ($categories as $category)
{
$options[$category->getKey()] = $prefix . $category->getLabel();
$options = self::getOptionsTree($category->children, $options, $depth);
}
return $options;
}
}
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