<?php class Sqltree { private $FlatTable, $paths; public function __construct($FlatTable) { $this->FlatTable = $FlatTable; } public function generateTable($tree) { $this->paths = array(); $this->path_recursion($tree, array()); print_r($this->paths); } private function path_recursion($tree, $parents) { //Path erzeugen $this->paths[] = array($tree, $tree, 0); foreach($parents as $parent) { $this->paths[] = array($parent['id'], $tree['id'], $parents['path_length']); $parents['path_length']++; } if(is_array($tree['children'])) { $parents = array('id' => $tree['id'], 'path_length' => 1); foreach($tree['children'] as $child) { $this->path_recursion($child, $parents); } } } public static function CreateTable($FlatTable) { $sql = "CREATE TABLE ClosureTable ( ancestor_id INT NOT NULL REFERENCES $FlatTable(id), descendant_id INT NOT NULL REFERENCES $FlatTable(id), path_length INT, PRIMARY KEY (ancestor_id, descendant_id) );"; sql::create($sql); } } $tree = array('id' => 1, 'children' => array(array('id' => 2, 'children' => array('id' => 4, 'children' => false)), array('id' => 3, 'children' => false))); print_r($tree); $sqltree = new SqlTree('asd'); $sqltree->generateTable($tree); ?>
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