Are there any best practices for efficiently filtering and writing data from XML to CSV in PHP?

When filtering and writing data from XML to CSV in PHP, it is important to efficiently parse the XML data, extract the necessary information, and write it to a CSV file. One way to achieve this is by using the SimpleXMLElement class to parse the XML data and fputcsv function to write the data to a CSV file. 

<?php

// Load the XML file
$xml = simplexml_load_file('data.xml');

// Open the CSV file for writing
$csvFile = fopen('data.csv', 'w');

// Write the header row to the CSV file
fputcsv($csvFile, array('Name', 'Age', 'Email'));

// Loop through each XML node and write the data to the CSV file
foreach ($xml->user as $user) {
    $name = (string) $user->name;
    $age = (int) $user->age;
    $email = (string) $user->email;
    
    fputcsv($csvFile, array($name, $age, $email));
}

// Close the CSV file
fclose($csvFile);

?>

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