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| [ | |
| [ | |
| 'id' => 1, | |
| 'name_lv1' => 'Parent0', | |
| 'name_lv2' => null, | |
| 'name_lv3' => null, | |
| 'name_lv4' => null, | |
| 'name_lv5' => null, | |
| ], | |
| [ | |
| 'id' => 2, | |
| 'name_lv1' => 'Parent1', | |
| 'name_lv2' => null, | |
| 'name_lv3' => null, | |
| 'name_lv4' => null, | |
| 'name_lv5' => null, | |
| ], | |
| [ | |
| 'id' => 3, | |
| 'name_lv1' => 'Parent1', | |
| 'name_lv2' => 'Childen_1_1', | |
| 'name_lv3' => null, | |
| 'name_lv4' => null, | |
| 'name_lv5' => null, | |
| ], | |
| [ | |
| 'id' => 4, | |
| 'name_lv1' => 'Parent1', | |
| 'name_lv2' => 'Childen_1_1', | |
| 'name_lv3' => 'Childen_2_1', | |
| 'name_lv4' => null, | |
| 'name_lv5' => null, | |
| ], | |
| [ | |
| 'id' => 5, | |
| 'name_lv1' => 'Parent1', | |
| 'name_lv2' => 'Childen_1_1', | |
| 'name_lv3' => 'Childen_2_1', | |
| 'name_lv4' => 'Childen_3_1', | |
| 'name_lv5' => null, | |
| ], | |
| [ | |
| 'id' => 6, | |
| 'name_lv1' => 'Parent1', | |
| 'name_lv2' => 'Childen_1_1', | |
| 'name_lv3' => 'Childen_2_1', | |
| 'name_lv4' => 'Childen_3_1', | |
| 'name_lv5' => 'Childen_4_1', | |
| ], | |
| [ | |
| 'id' => 7, | |
| 'name_lv1' => 'Parent1', | |
| 'name_lv2' => 'Childen_1_1', | |
| 'name_lv3' => 'Childen_2_1', | |
| 'name_lv4' => 'Childen_3_1', | |
| 'name_lv5' => 'Childen_4_2', | |
| ], | |
| [ | |
| 'id' => 8, | |
| 'name_lv1' => 'Parent2', | |
| 'name_lv2' => null, | |
| 'name_lv3' => null, | |
| 'name_lv4' => null, | |
| 'name_lv5' => null, | |
| ], | |
| [ | |
| 'id' => 9, | |
| 'name_lv1' => 'Parent2', | |
| 'name_lv2' => 'Childen_1_2', | |
| 'name_lv3' => null, | |
| 'name_lv4' => null, | |
| 'name_lv5' => null, | |
| ], | |
| ] |
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| Array | |
| ( | |
| [0] => Array | |
| ( | |
| [id] => 1 | |
| [name_lv1] => Parent0 | |
| [name_lv2] => | |
| [name_lv3] => | |
| [name_lv4] => | |
| [name_lv5] => | |
| ) | |
| [1] => Array | |
| ( | |
| [id] => 2 | |
| [name_lv1] => Parent1 | |
| [name_lv2] => | |
| [name_lv3] => | |
| [name_lv4] => | |
| [name_lv5] => | |
| [0] => Array | |
| ( | |
| [id] => 3 | |
| [name_lv1] => Parent1 | |
| [name_lv2] => Childen_1_1 | |
| [name_lv3] => | |
| [name_lv4] => | |
| [name_lv5] => | |
| [0] => Array | |
| ( | |
| [id] => 4 | |
| [name_lv1] => Parent1 | |
| [name_lv2] => Childen_1_1 | |
| [name_lv3] => Childen_2_1 | |
| [name_lv4] => | |
| [name_lv5] => | |
| [0] => Array | |
| ( | |
| [id] => 5 | |
| [name_lv1] => Parent1 | |
| [name_lv2] => Childen_1_1 | |
| [name_lv3] => Childen_2_1 | |
| [name_lv4] => Childen_3_1 | |
| [name_lv5] => | |
| [0] => Array | |
| ( | |
| [id] => 6 | |
| [name_lv1] => Parent1 | |
| [name_lv2] => Childen_1_1 | |
| [name_lv3] => Childen_2_1 | |
| [name_lv4] => Childen_3_1 | |
| [name_lv5] => Childen_4_1 | |
| ) | |
| [1] => Array | |
| ( | |
| [id] => 7 | |
| [name_lv1] => Parent1 | |
| [name_lv2] => Childen_1_1 | |
| [name_lv3] => Childen_2_1 | |
| [name_lv4] => Childen_3_1 | |
| [name_lv5] => Childen_4_2 | |
| ) | |
| ) | |
| ) | |
| ) | |
| ) | |
| [2] => Array | |
| ( | |
| [id] => 8 | |
| [name_lv1] => Parent2 | |
| [name_lv2] => | |
| [name_lv3] => | |
| [name_lv4] => | |
| [name_lv5] => | |
| [0] => Array | |
| ( | |
| [id] => 9 | |
| [name_lv1] => Parent2 | |
| [name_lv2] => Childen_1_2 | |
| [name_lv3] => | |
| [name_lv4] => | |
| [name_lv5] => | |
| ) | |
| ) | |
| ) |
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| class Tree | |
| { | |
| public $items; | |
| public $prefix; | |
| /** | |
| * Tree constructor. | |
| * @param $items | |
| * @param string $prefix | |
| */ | |
| public function __construct($items, $prefix = 'name_lv') | |
| { | |
| $this->items = $items; | |
| $this->prefix = $prefix; | |
| } | |
| public function toBranchTree() | |
| { | |
| $treeWithLevel = $this->toTreeWithLevel(); | |
| $reverseLevel = count($treeWithLevel) + 1; | |
| while (--$reverseLevel > 0) { | |
| if ($reverseLevel !== 1) { | |
| foreach ($treeWithLevel[$reverseLevel] as $currentLevel) { | |
| foreach ($treeWithLevel[$reverseLevel - 1] as $index => $parentLevel) { | |
| if (strpos($currentLevel['child_id'], $parentLevel['child_id']) !== false) { | |
| $treeWithLevel[$reverseLevel - 1][$index][] = $currentLevel; | |
| } | |
| } | |
| } | |
| } | |
| } | |
| return $treeWithLevel[1]; | |
| } | |
| public function toTreeWithLevel() | |
| { | |
| $treeWithLevel = []; | |
| foreach ($this->items as $item) { | |
| $level = $this->getItemLevel($item); | |
| $item['child_id'] = $this->getChildId($item); | |
| $treeWithLevel[$level][] = $item; | |
| } | |
| return $treeWithLevel; | |
| } | |
| protected function getItemLevel($item) | |
| { | |
| $level = 0; | |
| foreach ($item as $key => $value) { | |
| if (strpos($key, $this->prefix) !== false && $value != null) { | |
| $level++; | |
| } | |
| } | |
| return $level; | |
| } | |
| protected function getChildId($item) | |
| { | |
| $prefix = $this->prefix; | |
| return array_reduce(array_keys($item), function ($carry, $key) use ($item, $prefix) { | |
| if (strpos($key, $prefix) !== false) { | |
| $carry .= $item[$key]; | |
| } | |
| return $carry; | |
| }); | |
| } | |
| } |
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