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<?php
/**
by lenush;
*/
class Tree
{
var $data = array();
var $child = array(-1=>array());
var $layer = array(-1=>-1);
var $parent = array();
function Tree ($value)
{
$this->setNode(0, -1, $value);
} // end func
function setNode ($id, $parent, $value)
{
$parent = $parent?$parent:0;
$this->data[$id] = $value;
$this->child[$id] = array();
$this->child[$parent][] = $id;
$this->parent[$id] = $parent;
if (!isset($this->layer[$parent]))
{
$this->layer[$id] = 0;
}
else
{
$this->layer[$id] = $this->layer[$parent] + 1;
}
} // end func
function getList (&$tree, $root= 0)
{
foreach ($this->child[$root] as $key=>$id)
{
 
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ob_start();
echo "<pre>";
print_r($data);
echo "</pre>";
$a=ob_get_contents();
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<?php
function getmicrotime()
{
list($usec, $sec) = explode(" ",microtime());
return ((float)$usec + (float)$sec);
}
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