Code Coverage for /home/jrf/repos/projom-util/src/Util/Xml.php

1	<?php
2
3	declare(strict_types=1);
4
5	namespace Projom\Util;
6
7	use DOMDocument;
8	use DOMElement;
9
10	class Xml
11	{
12	public static function encode(array $toEncode, string $rootNodeName): string
13	{
14	if (!$toEncode)
15	return '';
16
17	/*
18	* This is a rather naive approach to solving this issue.
19	* Theres an assumption: the $toEncode will have one "master"-key.
20	* Any other parallell entries will be lost.
21	*/
22	if (!$rootNodeName) {
23	$rootNodeName = array_key_first($toEncode);
24	$toEncode = array_shift($toEncode);
25	}
26
27	$dom = new DOMDocument('1.0', 'UTF-8');
28	#$dom->formatOutput = false;
29	#$dom->preserveWhiteSpace = false;
30
31	$rootNode = $dom->createElement($rootNodeName);
32	static::traverse($toEncode, $rootNode);
33	$dom->appendChild($rootNode);
34
35	$result = $dom->saveXML();
36	if ($result === false)
37	return '';
38
39	return $result;
40	}
41
42	public static function traverse(array $toEncode, DOMElement $rootNode): void
43	{
44	foreach ($toEncode as $key => $value) {
45	if (is_array($value)) {
46	$node = new DOMElement((string)$key);
47	$rootNode->appendChild($node);
48	static::traverse($value, $node);
49	} else {
50	$node = new DOMElement((string)$key, (string)$value);
51	$rootNode->appendChild($node);
52	}
53	}
54	}
55	}