XmlToArray.php
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<?php
namespace Mtownsend\XmlToArray;
use DOMDocument;
/**
* @author Adrien aka Gaarf & contributors
* @author Mark Townsend
*/
class XmlToArray
{
/**
* Convert valid XML to an array.
*
* @param string $xml
* @param bool $outputRoot
* @return array
*/
public static function convert($xml, $outputRoot = false)
{
$array = self::xmlStringToArray($xml);
if (!$outputRoot && array_key_exists('@root', $array)) {
unset($array['@root']);
}
return $array;
}
protected static function xmlStringToArray($xmlstr)
{
$doc = new DOMDocument();
$doc->loadXML($xmlstr);
$root = $doc->documentElement;
$output = self::domNodeToArray($root);
$output['@root'] = $root->tagName;
return $output;
}
protected static function domNodeToArray($node)
{
$output = [];
switch ($node->nodeType) {
case XML_CDATA_SECTION_NODE:
case XML_TEXT_NODE:
$output = trim($node->textContent);
break;
case XML_ELEMENT_NODE:
for ($i = 0, $m = $node->childNodes->length; $i < $m; $i++) {
$child = $node->childNodes->item($i);
$v = self::domNodeToArray($child);
if (isset($child->tagName)) {
$t = $child->tagName;
if (!isset($output[$t])) {
$output[$t] = [];
}
$output[$t][] = $v;
} elseif ($v || $v === '0') {
$output = (string) $v;
}
}
if ($node->attributes->length && !is_array($output)) { // Has attributes but isn't an array
$output = ['@content' => $output]; // Change output into an array.
}
if (is_array($output)) {
if ($node->attributes->length) {
$a = [];
foreach ($node->attributes as $attrName => $attrNode) {
$a[$attrName] = (string) $attrNode->value;
}
$output['@attributes'] = $a;
}
foreach ($output as $t => $v) {
if (is_array($v) && count($v) == 1 && $t != '@attributes') {
$output[$t] = $v[0];
}
}
}
break;
}
return $output;
}
}