[PHP] csv to xml

<?php
error_reporting(E_ALL | E_STRICT);
ini_set('display_errors', true);
ini_set('auto_detect_line_endings', true);

$inputFilename    = 'input.csv';
$outputFilename   = 'output.xml';

// Open csv to read
$inputFile  = fopen($inputFilename, 'rt');

// Get the headers of the file
$headers = fgetcsv($inputFile);

// Create a new dom document with pretty formatting
$doc  = new DomDocument();
$doc->formatOutput   = true;

// Add a root node to the document
$root = $doc->createElement('rows');
$root = $doc->appendChild($root);

// Loop through each row creating a <row> node with the correct data
while (($row = fgetcsv($inputFile)) !== FALSE)
{
$container = $doc->createElement('row');

foreach ($headers as $i => $header)
{
$child = $doc->createElement($header);
$child = $container->appendChild($child);
$value = $doc->createTextNode($row[$i]);
$value = $child->appendChild($value);
}

$root->appendChild($container);
}

echo $doc->saveXML();