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<?php
namespace common\components\artboxtree;
use yii\base\Object;
use yii\helpers\ArrayHelper;
class ArtboxTreeHelper extends Object {
public static function treeMap($tree, $from, $to, $symbol = '.')
{
$result = [];
self::_recursiveTreeMap($result, $tree, $from, $to, $symbol);
return $result;
}
public static function setArrayField($path, $as_string = false) {
if (is_array($path)) {
if ($as_string) {
foreach ($path as &$item) {
$item = "'$item'";
}
}
$path = implode(',', $path);
}
return '{'. $path .'}';
}
public static function getArrayField($path) {
$path = trim($path, '{}');
return empty($path) ? [] : explode(',', $path);
}
protected static function _recursiveTreeMap(&$result, $tree, $from, $to, $symbol = '–') {
foreach ($tree as $item) {
$element = $item['item'];
$key = ArrayHelper::getValue($element, $from);
$value = ArrayHelper::getValue($element, $to);
$row = str_repeat($symbol, $element->depth+1) . $value;
$result[$key] = $row;
if (!empty($item['children'])) {
self::_recursiveTreeMap($result, $item['children'], $from, $to, $symbol);
}
}
}
}
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