}
public function parentValue($key)
{
return isset($this->_arr[$key]) ? $this->_arr[$key]['data'] : NULL;
}
private function _createIndex($data, $parent = NULL)
{
foreach ($data as $key => $value)
{
$this->_checkIndex($key, $parent, $data);
if (is_array($value))
{
$this->_createIndex($value, $key);
}
}
}
private function _checkIndex($key, $parent, $data)
{
$data = $parent && isset($data[$parent]) ? $data[$parent] : $data;
!isset($this->_arr[$key]) && $this->_arr[$key] = array('data' => $data, 'parent' => '');
$index = &$this->_arr[$key]['parent'];
if (!empty($index))
{
if (is_array($index))
{
array_push($index, $parent);
}
else $index = array($index, $parent);
}
else $index = $parent;
}
}
$index2 = (Object)new IndexArr($arr);
printA($index2->printArr());
printP2($index2, 'beijing');
printP2($index2, 'name');
printP2($index2, 'china');
?>
源文件代码：php_arr.rar
