Ceneo Xml categories recurse extract

ceneo.php

<?php

$catgoriesXmlPath = __DIR__.'/ceneo-categories.xml';

$xml = simplexml_load_string(file_get_contents($catgoriesXmlPath));

$out = [];
foreach($xml->Category as $xmlCategory) {
    recurseExtract($out, '', $xmlCategory);
}

function recurseExtract(&$out, $fullPath, $xmlCategory) {
    $fullPath = ($fullPath ? $fullPath.' / ' : '').(string)$xmlCategory->Name;
    $out[] = $fullPath;
    if ($xmlCategory->Subcategories) {
        foreach($xmlCategory->Subcategories->Category as $xmlSubCategory) {
            recurseExtract($out, $fullPath, $xmlSubCategory);
        }
    }

}

file_put_contents('./categories.csv', implode(PHP_EOL, $out));