<?php

	class array2xml {
		
		public $data;
		public $dom_tree;
		
		public  function __construct($array){
			if(!is_array($array)){
				throw new Exception('array2xml requires an array', 1);
				unset($this);
			}
			if(!count($array)){
				throw new Exception('array is empty', 2);
				unset($this);
			}
			
			$this->data = new DOMDocument('1.0');
			
			$this->dom_tree = $this->data->createElement('result');
			$this->data->appendChild($this->dom_tree);
			$this->recurse_node($array, $this->dom_tree);
		}
		
		private function recurse_node($data, $obj){
			$i = 0;
			foreach($data as $key=>$value){
				if(is_array($value)){
					$sub_obj[$i] = $this->data->createElement($key);
					$obj->appendChild($sub_obj[$i]);
					$this->recurse_node($value, $sub_obj[$i]);
				} else {
					$sub_obj[$i] = $this->data->createElement($key, $value);
					$obj->appendChild($sub_obj[$i]);
				}
				$i++;
			}
		}
		public function saveXML(){
			return $this->data->saveXML();
		}
	}
	
	
	
	$test = array(
		'cat'=>'animal',
		'container'=> array(
			'thing'=>'stuff',
			'thing2'=>'stuff2',
			
		),
		'dog'=>'dumb',
	);
	try {
	$o_test = new array2xml($test);
	} catch (Exception $e) {
		echo $e->getMessage();
	}
	echo $o_test->saveXML();
?>