[Get Attributes from SimpleXMLElement] Get Attributes from SimpleXMLElement in array #PHP

utils.php

<?php
  
/**
 * @param SimpleXMLElement $data
 *
 * @return array
 */
function getAttributes($data)
{
	$attributes = [];
	
	foreach ($data as $datum => $attribute) {
		$attributes[] = $datum;
	}
	
	return $attributes;
}