36 lines
976 B
PHP
36 lines
976 B
PHP
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<?php
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namespace app\expose\utils;
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use app\expose\utils\DataModel;
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class TreeModel extends DataModel
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{
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private function _organizeRecords($regions,$idKey)
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{
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$organizedRegions = [];
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foreach ($regions as $region) {
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$organizedRegions[$region[$idKey]] = $region;
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$organizedRegions[$region[$idKey]]['children'] = [];
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}
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return $organizedRegions;
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}
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private function _buildTree($organized,$pidKey)
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{
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$tree = [];
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foreach ($organized as $id => $record) {
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if ($record[$pidKey]) {
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$organized[$record[$pidKey]]['children'][] = &$organized[$id];
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} else {
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$tree[] = &$organized[$id];
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}
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}
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return $tree;
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}
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public function toTree($idKey='id',$pidKey='pid')
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{
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$organized=$this->_organizeRecords($this->data,$idKey);
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$data=$this->_buildTree($organized,$pidKey);
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return $data;
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}
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}
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