<?php
/* Translation from model #1 (with attributes) to model #2 (with child nodes) */

function transform1_2($doc){

	$start = $doc->lastChild;
	
	$trg_doc = new DOMDocument();
	$root = $trg_doc->createElement("list");
	$trg_doc->appendChild($root);
	
	$studs = $start->getElementsByTagName("student");
	foreach( $studs as $stud ){ 	

	//reading - as in Average_1
		$the_name = $stud->getAttribute("name");
		$the_mark = $stud->getAttribute("mark");

	//Building - as in Build2fromText
		$new_stud = $trg_doc->createElement("student");
        	$root->appendChild($new_stud);
       
        	$name = $trg_doc->createElement("name");
        	$new_stud->appendChild($name);
        	$name->appendChild($trg_doc->createTextNode($the_name));
       
        	$mark = $trg_doc->createElement("mark");
        	$new_stud->appendChild($mark);
        	$mark->appendChild($trg_doc->createTextNode($the_mark));
	}
			
	return $trg_doc;
}// transform1_2
	
function one2Two($fileIn, $fileOut){
	$doc = new DOMDocument();
	$doc->load($fileIn);
	
	$res = transform1_2($doc);
	$res->save($fileOut);
	
}//one2Two

one2Two($argv[1], $argv[2]);

?>